Story Archive

A list of all stories live on the site.

1,886 stories found, sorted by word count. Total word count: 17,474,588.

• Empire by LenZelig  CockUp Cock Self 2Gay MuscUp Musc Taller SizeUp AgeDiff Beast Virgin Inc Bro Dad Twins Bi Het Nonc Slave Share Alien Space Witch Tksg Mind Series  A massive consolidation of the entire “Bill’s Education” universe, incorporating the previously separately posted “The Surfer”, “The Rescue”, “Spring Break”, “Pickup Trouble”, and “School Days”, “Empire” is the wide-ranging tale of easy transformation and even easier sex across all boundaries—friends, family members, genders, even species—as a fortunate crop of humans stumble into a wider universe of size, muscle, double-digit-length cocks and much, much more and discover the true meaning of shared, radical, uninhibited pleasure. Added Apr 2019 Updated May 2021 40 parts 365,561 words 116,280 views 4.8 stars (38 votes)

• Medicine show by Fafhrd and Longbow9  CockUp Cock HyCock Self Virgin Bi Het Lycra Infect Series   Added Feb 2012 Updated Feb 2014 174 parts 250,271 words 185,120 views 4.5 stars (20 votes)
• My roommate (complete) by LenZelig  CockUp Cock MuscUp Musc AgeDiff Virgin Inc Bro Dad Bi Het Dom Witch Pride Mind  Bill’s hot adventures with his irresistible sex-god of a roommate, Andy Wang, and the others drawn into his adventures, combined with the stories of Andy’s son and his friends. (This revised and updated compilation version includes both “My Roommate” and “My Roommate: The Next Generation.”) Added Jul 2002 Updated Jun 2021 29 parts 222,742 words 121,261 views 4.9 stars (77 votes)
• Spice by Mr. X and Mad Dog  CockUp Cock MuscUp Musc Worship Scent Grad Voice SizeUp Hairier AgeDiff Inc Dad Pride  In this epic story, the transformative powers of a certain substance are tested by a couple of very horny guys. Added Oct 2009 Updated Nov 2019 50 parts 221,027 words 184,817 views 4.1 stars (59 votes)

• Transform: New Blood by Also Known As  AlwHard CockUp Cock Self XCock MuscUp Musc Worship Scent Libido Voice SizeUp Virgin Infect Fly Series  The formula Carlos developed, Transform, has made him and his friends into veritable gods. Soon their numbers will be growing, thanks in part to a video featuring a guy known only as Self-Suck Sam. Added Jan 2014 47 parts 188,423 words 34,011 views
• Geno-type by Ziel  CockUp Cockfuck Cock HyCock Infect  While on a camping trip, Tyler makes a half-assed wish on a shooting star. Not only does he get his wish, but it begins to affect those around him as well. Maybe he should have been more specific? An ongoing saga of hyper growth and the weird social situations it results in. Added Dec 2012 Updated Feb 2016 34 parts 144,288 words 93,427 views 4.3 stars (25 votes)
• Transform by Also Known As  CockUp Cock Prehen XCock MuscUp Musc Worship Voice HyPher Infect Fly Series  Containing a secret is a hard thing to do. And the bigger the secret is, the harder it is to keep. No one was finding the truth of this more than those few men in charge at the Institute for Genetic Enhancement where the way has been found to transcend ordinary masculinity. The sequel to Supermen. Added Oct 2002 35 parts 131,918 words 44,820 views 5.0 stars (6 votes)
• Above average by Ziel  CockUp Cock HyCock HyCum HyMusc MuscUp Musc AssUp Retcon  Alan starts out as just your average college boy. Then a strange, magical artifact comes into his life, and he starts becoming bigger… almost remembering the ways things were, when his muscles and cock weren’t, with each orgasm, more and more above average. As the effects spread, Alan knows he must understand what’s happing to him and his friends—and also that he must be the biggest, most muscular, most hypercocked stud of all. Added Apr 2013 Updated Dec 2018 28 parts 130,435 words 222,955 views 4.5 stars (89 votes)
• Side effects 2000 by Braun1 and Z  AlwHard CockUp Cock HyCock Self MuscUp Musc Worship SizeUp Infect  Mike and Jan begin an odyssey of muscle, growth, transformation, sex, and love. Added Jul 2002 31 parts 126,731 words 32,111 views 4.6 stars (5 votes)
• Public relations by Maximilian  CockUp Cock HyCock HyCum MuscUp Gut Musc Taller Giant PSD SizeDn SizeUp Hairier Viol Bond Witch Pride  When Jamie gets an out-of-the-blue invitation to meet up with a friend he’d fallen out of touch with, he doesn’t realize Adam has an ulterior motive—or that it involves an unwilling introduction to growth and magic. Added Jun 2015 Updated Apr 2019 18 parts 124,954 words 55,842 views 4.7 stars (38 votes)
• Abyssus Abbey by Pen Darke  Self XCock 2Gay MuscUp Musc BellyUp Tf SizeUp Scaly Demons Incub Ogres Witch Fant Horror Supn Series  Welcome to Abyssus Abbey… a place where monks study and summon demons in an attempt to prevent the Apocalypse. The demons are in the walls, listening to your words, your thoughts, your desires, and if you fall prey to any of the Twelve Temptations, you may find yourself changed in ways you may not have expected. The Abbey has always drawn and doomed those who seek power and knowledge, and if you’re lucky, you might find something else there: a change in your outlook, a surprising ability, a friend where no friend was expected, and even romance. But all pleasures come with a price, and sooner or later the devil will have his due. Come in. Join the damned. Added Feb 2020 Updated May 2020 17 parts 124,798 words 13,683 views 4.8 stars (38 votes)
• Transform: Muscle City by Also Known As  AlwHard CockUp Cock XCock 2Gay MuscUp Musc Worship Handsomer SizeUp Infect Series Series  Emotionally, the Muscle Club has become a community of transformed men who are farm beyond normal. Now is the time to make it a literal community all its own—a city of transformed muscle. Added Jan 2014 21 parts 119,996 words 38,670 views 3.3 stars (19 votes)
• All good things by Anon Amon  CockUp Balls Cock HyCock CumInf HyCum NipCum 2Gay Immob MuscUp Musc Inc Bro Twins Infect  After the discovery of an ancient artifact, life is changed forever for a group of college students who have bigger things to worry about than getting ready to start classes. Added Feb 2017 Updated Oct 2020 104 parts 119,339 words 162,813 views 4.5 stars (128 votes)
• Hulkster and Hoppy by Also Known As  CockUp Cock MuscUp Scent Libido Handsomer Grad Taller PSD SizeUp Witch  Jeremy “Hoppy” Hopkins and Alexander “The Hulkster” Hogan were best friends in high school, but at the twenty-year reunion, the Hulkster discovers what Hoppy has been up to all those years in-between. Added Feb 2021 Updated Jul 2021 23 parts 118,666 words 20,114 views 4.9 stars (54 votes)
• Jason’s big problem by Joven  CockUp Balls Cock HyCock HyCum MuscUp Musc Taller SizeUp Inc Bro  Teen athlete Jason unwittingly becomes part of a shady experiment to produce progressively larger cocks and balls that generate way too much cum. His playful and curious friends get drawn in, and when his cranky brother is roped in as well, having massive equipment becomes even more difficult. Added Oct 2013 Updated Nov 2017 49 parts 114,700 words 164,511 views 4.5 stars (74 votes)
• Big is better by XH4M  Cock NipC MuscUp Musc Virgin Demons Witch Hypno  Pete and Sam experience epic growth, unexpected adventures, and sweet romance. Added Oct 2003 32 parts 111,493 words 66,154 views 4.1 stars (13 votes)
• Seducers by Also Known As  CockUp Cock HyCock Prehen XCock MuscUp Musc Worship Handsomer Voice HyPher Fly Series  The sequel to Supermen and Transform. The community of impossibly attractive, physically gifted, sex-evolved men grows. Added Aug 2003 Updated Jan 2014 31 parts 108,068 words 40,742 views 3.7 stars (12 votes)
• Mariposa honeymoon: A six-pack story by Cris Kane  CockUp CockDn Cock Dumber Mental MuscUp Musc AssUp BellyUp Libido SizeDn SizeUp AgeDn Race Hairier Witch Series  Their flamboyant best-man Pierce gives strait-laced newlyweds Derek and Charles a mysterious six-pack to liven up their Cancun honeymoon. Added Dec 2018 Updated Feb 2019 19 parts 105,833 words 13,991 views 4.5 stars (11 votes)

• Justin (the bigger the better) by Giant Worshipper  CockUp Cock HyCock 2Gay HyStr MuscUp Musc Worship Giant SizeUp  A young man starts growing, and growing. He finds he likes it a lot. Added Nov 2009 15 parts 99,090 words 334,549 views 4.3 stars (72 votes)
• Augmentations by Also Known As  CockUp Cock MuscUp Musc Worship Scent Handsomer SizeUp Future Series  Pursuing a fantasy, a successful man hires an erotic partner who’s been augmented, but the kinds of pleasures his new lover can share with him are far beyond anything he’d imagined. Added Jan 2014 18 parts 98,808 words 34,943 views 4.1 stars (9 votes)
• Second puberty by JayPat  CockUp Cock HyStr MuscUp Musc Libido SizeUp Bi Viol HyPher Series  Finding out you’re a product of genetic engineering and about to go through your second puberty is shocking enough, but the unforeseen repercussions with school, family, and friends are what really change everything. Added Sep 2012 15 parts 91,454 words 62,518 views 4.8 stars (29 votes)

• Bull’s strength by muscl4life  AlwHard CockUp Balls Cock HyCock XAbs XCock MuscUp Musc Worship Tf Taller PSD SizeUp AgeDiff Beast Inc Dad Viol Infect Fly  On a quiet farm far from anywhere, an orphan named Joshua grows up so huge and strong that he’s bullied for being a freak. His aunt and uncle raise him with love and teach him to accept who he is, but Joshua yearns to be among men who don’t just accept his giant body, but love and admire his amazing size and power. Added Jul 2018 Updated Oct 2018 28 parts 88,398 words 60,773 views 4.8 stars (33 votes)
• Transform: The college years by Also Known As  CockUp Cock XCock MuscUp Musc Worship Scent SizeUp Infect Fly Series Series  The sexy teens affected by the Transform ability wreak even more havoc at college with their amazing and irresistible growth-at-will double-hung dream bods. Added Jan 2014 12 parts 80,145 words 17,187 views 4.6 stars (9 votes)

• Reality Pack by Thorn  CockUp Cock MusBr MuscUp Musc AssUp BellyUp Grad Taller PSD Hairier App AgeDiff Virgin Inc Bro Dad  What happens when the program you’re working on for school has a downloadable mod? You investigate it of course! Added Nov 2020 Updated Feb 2021 15 parts 79,094 words 25,837 views 5.0 stars (24 votes)
• The orphanage by JayPat  Cock HyStr MuscUp Musc Voice SizeUp Viol  They told the orphans they were getting “vitamin shots”. What happened instead was a group of abandoned teens experiencing wild, sudden growth, one by one, and no one knew what would happen next. Added Sep 2012 12 parts 78,194 words 29,520 views 4.8 stars (12 votes)
• Supermen by Also Known As  CockUp HyCock XCock MuscUp Musc Worship Handsomer Virgin HyPher Fly Series  Todd agrees to be the first human subject for a muscle growth serum, little knowing how massive the effects would be, for himself and everyone else. Added Oct 2002 9 parts 76,817 words 74,016 views 4.1 stars (15 votes)
• One hot summer by BRK  AlwHard CockUp Cock Self Mental MuscUp Musc NoShirts Grad Taller Hairier Inc Bro Twins Nonc Pride Weed  Brandon and Eddie enjoy working for their pot-loving boss, Mike, at the pizza place near campus and are bummed they can’t stick around for the summer, too. Mike offers them a possible solution, though he doesn’t let them in on all his plans for the coming summer. Added Jun 2019 Updated Jun 2021 36 parts 76,165 words 34,307 views 4.9 stars (28 votes)
• Hard body by Also Known As  CockUp Balls Cock Prehen MuscUp Musc Worship Tf SizeUp Dom  Uncannily attractive and hunky teenager John is sent to the latest in a string of health professionals over his unusual condition: he’s always horny, and it affects his body in a very unusual and highly provocative manner. Added Oct 2016 Updated Oct 2019 14 parts 75,283 words 66,107 views 4.4 stars (83 votes)
• Finding Owen by BRK  Cock MuscUp Musc Taller PSD SizeUp Hairier Inc Bro Viol Wbear Were Supn Series  Owen Banks witnessed Max finding his destiny up on the mountain, then realized he was changing, too. Was he like Max, or was something else awakening within him? He decided he was going to find out. Added Aug 2019 Updated Sep 2021 12 parts 73,076 words 20,355 views 4.9 stars (16 votes)

• Big changes by Ziel  CockUp Balls HyCock HyCum Inc Twins Xmas Eas Pride Hallow ValDay Images  Troy’s rapidly growing hypercock is getting kind of embarrassing, especially as it’s caught the attention of a pair of obsessive and very uninhibited twins. Added Dec 2013 Updated Jun 2021 11 parts 68,272 words 73,762 views 4.6 stars (21 votes)
• Love/shift by BRK  MuscUp Musc NoShirts Scent Grad Tf SizeUp Hairier AgeDiff Inc Dad Wbear Supn Series M/M  Maxfield has very mixed feelings about leaving the city and all his tech behind to spend the summer after graduation halfway up a mountain in the family’s backwoods cabin—just him, his dad, and a whole lot of secrets. Added Dec 2017 Updated Apr 2019 11 parts 68,079 words 34,031 views 4.8 stars (30 votes)
• An unexpected inflation by UberPump  CockUp Pumping Cockfuck Balls Cock HyCock CumInf HyCum 2Gay Immob MuscUp Infl App Inc Bro Bi Nonc  A college athlete named Keith and his friends discover what it feels like to enlarge their cock and balls with the mysterious device Keith ordered off the dark web. When things go awry, however, their packages get huge. Keith and his friends go on a massive journey of cock growth, bloated balls, and near exploding junk as they inflate their man parts to their absolute limit. Added Apr 2020 Updated Apr 2021 32 parts 67,870 words 52,343 views 4.9 stars (65 votes)
• Mind and body by BRK  AlwHard CockUp Cock XCock 2Gay MuscUp Musc NoShirts Taller SizeUp App Sugg Inc Bro Hypno Mind  Jack discovers that his knack for hypnosis is actually much more powerful than it should be. Naturally, he uses this to get the upper hand with his sexy jock brother, but that turns out to be a lot more complicated than he’d thought. Added Jun 2012 Updated Jul 2017 16 parts 66,227 words 131,232 views 4.7 stars (92 votes)
• Project William by Also Known As  MuscUp Musc Handsomer  Horny teen Jackson encounters a guy who seems like he’s the god of sweet, muscular, carnal masculine hotness, and that means big changes for Jackson and his friends. Added Oct 2002 20 parts 64,637 words 26,076 views 4.6 stars (13 votes)

• Changing Nick by BRK  AlwHard Cock XAbs XCock XHead XArms XLeg XLimb 3Legs XPec Rep Stack 2Gay MuscUp Musc SizeUp App Retcon Nonc Merg Witch M/M M/M/M M/M/M/...  Nick’s computer starts offering him choices between one kind of transformation and another. He soon learns he’s been drawn into a strange conspiracy, even as the changes start to spread to friends, strangers, and secret allies. Added May 2013 Updated Apr 2020 16 parts 59,149 words 93,528 views 4.6 stars (34 votes)
• Sk8r dreams by Reaver  CockUp Cock Rep NoShirts Libido Tf Voice AgeDn Race App Retcon Nonc Infect Mind Series  The Maker is an app that gives you the ability to remake the world around you. That means a better house, a hotter body—and it definitely means turning a few guys in your life into happy, hunky skater bois. Added Oct 2003 19 parts 58,830 words 33,591 views 4.2 stars (18 votes)
• Growth school by Writ Bro  CockUp Cock MusBr MuscUp Musc Dom Bond Slave Lycra  Kit’s rebellion against his rich, inattentive father ends him up in a school for delinquents. Only, it’s not at all what Kit expects. Added Jun 2018 Updated May 2019 12 parts 55,825 words 47,320 views 4.6 stars (18 votes)
• Abyssus Abbey 2 by Pen Darke  Cock HyCock Prehen Musc Fur Demons Incub Witch Horror Supn Series  To protect himself from the devils who want to attack and change him, Tuco must enter the Abyss—little knowing what he will find there. Added Feb 2021 Updated Jun 2021 8 parts 55,713 words 8,813 views 5.0 stars (22 votes)
• Side effects by Braun1  AlwHard CockUp Cock MuscUp Musc SizeUp   Added Feb 1997 7 parts 55,668 words 48,039 views 5.0 stars (5 votes)
• Graham by Giant Worshipper and westone tiny  SizeUp   Added Nov 2009 Updated Dec 2010 10 parts 55,178 words 84,988 views 4.7 stars (21 votes)
• The Ixlutani by Lloyd Irving  CockUp CockDn CTheft Cock 2Gay MuscDn Musc Libido Tf Taller PSD SizeDn SizeUp Bi Het Supn  Kyle Anderson set out with his best friend Ben Miller for one last hurrah, revisiting the woods behind their childhood homes and the mysterious cave they discovered there, before Kyle’s impending nuptials with his longtime girlfriend, Olivia. What neither man knew was that after that day neither their bodies nor their relationship would ever be the same. Added Jun 2021 Updated Aug 2021 9 parts 54,489 words 10,809 views 4.9 stars (21 votes)
• Project Cerulean MX by The Pecman  Cock MuscUp Musc Tf SizeDn SizeUp  After Michael and Joey discover a secret base in the desert, they start to undergo some changes that are both unsetting and exciting. Added Jun 2010 Updated May 2017 17 parts 54,138 words 33,368 views 4.3 stars (9 votes)
• Red pills by Alakazam1988  CockUp Cock HyCock Addict MuscUp Gut Musc Taller PSD SizeUp Hairier  A struggling college student and part-time stripper is introduced to Red Pills, which are supposed to be the one dick-growth pills that actually work. He’s skeptical—at first. (Chapters 1-7 revised as of summer 2019.) Added Jan 2017 Updated Mar 2021 19 parts 53,990 words 39,540 views 4.7 stars (15 votes)
• Among us by BRK  Cock Musc Amputation 2Animal Alien Were Mind t/t  Nathan Yates is an ordinary boy who’s just graduated from high school and whose biggest concern in life in trying to figure out why the hottest guy in school is making passes at him. That is, until he’s thrown into a story he knows intimately from his favorite cult graphic novels, and becomes embroiled in a conflict that reaches across worlds and universes. Added May 2017 Updated Apr 2018 15 parts 52,459 words 19,900 views 4.4 stars (17 votes)
• Green legacy by JayPat  MuscUp Musc SizeUp Viol Slave  Billy, the tough loner kid, has a secret ability to grow suddenly, hugely bigger. He decides to share his secret with Sam, and Sam has no idea why. Added Oct 2012 10 parts 52,094 words 23,963 views 4.1 stars (9 votes)
• Flashmob by BRK  Cock XCock Rep MuscUp Musc NoShirts Taller M/M M/M/M  Jacob receives a strange camera that has an unexpected effect when he takes a picture of his hunky roommate, Keith, with whom he’s become increasingly smitten. Added Mar 2015 Updated May 2020 12 parts 50,403 words 30,343 views 4.6 stars (42 votes)
• Blessing or curse by Ultra GMan  CockUp Balls Cock Self MuscUp  John has something a lot of guys would kill for: a cock that gets bigger when you have certain kinds of sex. But that’s not all it’s cracked up to be… and the change isn’t always for the better. Added Jan 2012 Updated Apr 2012 18 parts 50,288 words 57,578 views 4.8 stars (25 votes)

• A new world order by Kowalski  MuscUp Musc Bi Het  The archive was missing the bulk of this classic hetero muscle story, so I’ve restored the lost Parts for those who are interested. Added Mar 2004 Updated May 2016 28 parts 49,586 words 27,553 views 2.6 stars (7 votes)
• Body game: Encounter 813 by BRK  AlwHard CockUp Balls Cock HyCock HyCum XDig XAbs XCock XArms XLimb XPec XTongue Rep Stack MuscUp Str FootUp Taller PSD SizeUp Hairier HyTongue TongueGr Mcock Inc Bro Series M/M M/M/M  Reggie isn’t sure why the team-building get-together for the web design firm he’s working for is being held at an abandoned mall; he just knows he can’t get his sexy boss out of his mind. Added May 2016 Updated Jun 2021 9 parts 49,133 words 32,613 views 4.9 stars (22 votes)
• Sam and Bolt by Alakazam1988  CockUp Balls Cock HyCock NipC Self CumInf HyCum NipCum Taller SizeUp Hairier AgeDiff Inc Dad Infect  Sam’s father, Bolt, shares with his size-hungry son the secrets of becoming truly huge. Added Sep 2016 Updated Dec 2016 11 parts 48,242 words 62,788 views 3.7 stars (56 votes)
• Bigger issues by muscl4life  AlwHard CockUp Cock HyCock XAbs 2Gay MuscUp Musc Worship SizeUp Series  Thanks to Kyle, Sean discovered his serum works better than he expected… And now his freaking muscular lover each time is more intoxicated with his newly found POWER, and can such difference of muscular capacity make the couple apart? Added Dec 2013 6 parts 46,984 words 117,963 views 3.8 stars (20 votes)
• 21-year-old scotch by Cris Kane  Cock Musc AgeDn Time Witch  On his 50th birthday, a closeted man enters a gay bar and is given a drink with an unexpected side effect. Added Aug 2019 Updated Sep 2019 9 parts 45,980 words 6,985 views 4.6 stars (5 votes)
• Tales from the dark city by Ogrebear  CockUp Cock CumInf Mental 2Gay MuscUp Musc PointyEars Tf PSD SizeUp Race Hairier Viol Dom Hum Bond Demons Orcs Fant Mind  A human cutpurse escapes his pursuers, finding safety in, of all places, an orc buck bar. You can figure out what happens next. Added Jun 2005 7 parts 45,822 words 18,909 views 5.0 stars (8 votes)
• The gifted child by JayPat  Cock HyStr MuscUp Musc Slave  Young psychologist Justin Conroy poses as a valet to profile Evan, as genius prodigy whom his father things might be a sociopath. Evan has his own plans for Justin—and for some illegal genome experiments he’s uncovered. Added Oct 2012 7 parts 45,420 words 42,632 views 4.5 stars (23 votes)
• Modern rites by red_king  CockUp Cock HyCock CumInf HyCum MusBr MuscUp HyAnus AssUp Handsomer Tf PSD SizeUp Viol Bond Supn Immort  Matt’s life changes forever when he receives divine investiture from an old fertility god, fallen from the pantheon, in exchange for his devotion and cooperation in finding more followers. At first it sounded like work, but soon he’s having too much fun to care. Added Dec 2018 Updated Jun 2019 15 parts 45,417 words 24,039 views 4.6 stars (31 votes)
• OmniGro by Whatinsomnia and Ziel  CockUp Cock HyCock NipCum MuscUp Musc AssUp SizeUp  Dissatisfied with the speed at which the current OTC dick growing serum works, Eli, a brilliant scientist in his own right, sets out to make his own super-powered serum. Eli wastes no time in breaking in the new concoction on himself and his boyfriend. The results speak for themselves and their new product revolutionizes the world as they know it. Added Mar 2016 3 parts 45,143 words 20,614 views 4.7 stars (7 votes)
• Resolutions by BRK  CockUp Balls Cock Self HyCum Mental HyMusc MuscUp Musc Libido SizeDn SizeUp TongueGr Retcon Sugg Nonc New Years M M/M M/M/M M/M/M/...  Ray intercepts a seemingly magical book of fill-in-the-blank New Year’s resolutions his boss, Danny, had ordered, and starts making plans for improving Danny’s too-boring sex life. Added Jan 2021 Updated Sep 2021 8 parts 44,479 words 16,370 views 5.0 stars (24 votes)
• The need to obey by Musiker  CockDn Balls Cock XArms XLimb MFSwap Mental 2Gay Musc BellyUp Taller Giant PSD SizeDn SizeUp Hairier Sugg Bi Het Cage Dom Slave Immort  An enormously large, muscular man has only one thing he wants out of life: to be a good boy for his master. He is searching for a new master to take him in when he finds someone who is willing to give him a try-out, and who is not turned off by his enormous balls and knee-length caged cock. Added May 2019 Updated Nov 2019 8 parts 44,462 words 19,951 views 4.8 stars (16 votes)
• The application by SuperWaffle  MuscUp Musc Worship SizeUp Hairier App Fur  A powerful story in which an anthro fox named Bradley learns that a body-morphing app is a wondrous, life-changing thing for himself and for new friends as well—if it doesn’t fall into the wrong hands, that is. Added Apr 2015 8 parts 44,454 words 39,702 views 4.9 stars (21 votes)
• Hollyville by Tereshky  CockUp Balls Cock Prehen HyCum XAbs XArms XLimb XPec Rep Stack Wings MuscUp Musc Tf SizeUp Tent Horror  The sleepy town of Hollyville, Alabama finds that strange things are happening to some of its people. It’s one man’s job to find out, but is he prepared for the mystery, suspense, and life-altering changes to come? Are you? Added Nov 2019 Updated Feb 2020 9 parts 43,978 words 15,334 views 4.9 stars (18 votes)
• The G by Braun1  CockUp Cock HyCock MuscUp Musc Hypno  Working at the gym in a small town you get to admire the local muscle on the sly. But when someone comes along who’s muscled to the point of being inhuman, all bets are off. Added Mar 2013 6 parts 43,307 words 26,751 views 5.0 stars (11 votes)
• Angelo and Adrian by WordShop  CockUp MuscUp Musc Grad HyPher Infect M/M  Genius Angelo and sweet Adrian are both scarred by their pasts. Angelo has to accept change in his life, and accidentally, without intending it, Adrian is forced to accept a new life for which he is not at all prepared. Added Oct 2017 Updated May 2018 9 parts 43,220 words 20,911 views 4.4 stars (7 votes)
• The swimming hole by JayPat  MuscUp Musc Viol  When Matt laments the sadly unmuscled state of his young body, all he hears is that he has to put in the work. Only, his swimming buddy Jimmy seems to be getting muscles all on his own, and he’s not even hitting the gym… Added Sep 2018 8 parts 42,632 words 19,971 views 4.9 stars (10 votes)
• Twin studs by Anonymous  Cock XCock XArms XLimb AgeDiff Virgin Inc Bro Dad Twins   Added Jul 2014 3 parts 42,539 words 12,399 views 4.0 stars (22 votes)
• Be careful what you wish for by Tereshky  CockUp Balls Cock 2Gay Immob MuscUp Musc AgeDn Nonc  “I can give you anything you wish for. Just don’t blame me if you weren’t specific enough.” A mystical man shows up to people in despair to offer the desires of their hearts, but he has a tendency to give them more than they wanted. So if a man in a gray suit comes up to you offering to give you anything you want, be careful what you wish for. Added Feb 2020 Updated Jun 2021 9 parts 42,479 words 39,642 views 4.8 stars (15 votes)
• Adventures of a selfsucker by willy8  CockUp Cock Self Bi Het  Silas loves going down on his own big cock, and while the intense experience of autofellatio doesn’t help him with his girlfriend it does bring him closer to his handsome roommate Ben. Added Jul 2015 Updated Jul 2017 16 parts 42,450 words 34,291 views 4.2 stars (19 votes)
• Chuck, the size thief by spacevlad  MuscUp Gut MuscDn Musc BellyUp Voice Giant PSD SizeDn SizeUp Fatter Infl Viol Nonc Absorb  Chuck, a middling-sized construction worker who wishes he were bigger, finds a way to grow huge. Added Jun 2017 Updated Dec 2017 16 parts 42,078 words 73,793 views 4.5 stars (23 votes)
• Matched pairs by Jerkoffcentral  CockUp Cock Self MuscUp Musc Virgin Inc Bro Bi  Peter becomes infected, not just with growth, but with a need for more strength and size. Added Oct 2013 Updated Jun 2016 14 parts 42,000 words 52,598 views 4.8 stars (29 votes)
• Claves, the midnight marauder by Ziel  CockUp HyCock CumInf HyCum Fant  Claves, the kingdom’s most notorious thief, has been cursed! What was meant as a means to entrap the thief and blow his cover forever backfires spectacularly as Claves ends up enjoying the curse. Now armed with a massive cock, the power to spread the curse to others, and an exhibitionist streak almost as long as his dong, Claves sets out to spread the curse and sow a little mischief and a lot of wild oats. Added Jun 2013 Updated Jan 2015 7 parts 40,994 words 41,432 views 4.1 stars (24 votes)

• No strings attached by muscl4life  CockUp Cock HyCock CumInf MuscUp Musc SizeUp Inc Bro Twins Hypno  Donny walks in on his roommate, Sebastian, in the midst of his efforts to make himself bigger. Added May 2014 3 parts 39,280 words 41,442 views 4.5 stars (20 votes)
• The Wizard of Hot by hyperboi  CockUp Balls Cock HyCock HyCum XCock XArms XLeg XLimb 3Legs Musc Det Giant PSD SizeUp Inc Bro Fur Witch Fant Supn  A young man’s difficult life on a struggling Kansas farm takes a sudden turn when a cyclone appears, taking him and his brother far from home to another place altogether. Added Apr 2021 Updated Jul 2021 10 parts 38,884 words 12,219 views 4.6 stars (14 votes)
• Naked by Also Known As  CockUp Cock HyCum MuscUp Musc Nude PSD SizeUp  Dave’s new dorm roommate, Lance, is naked. Always, constantly, deliciously naked. He’s also, huge, hung, and constantly horny. But what really changes everything is the unexpected effect that Dave has on Lance—and what Lance does to Dave. Added Jun 2016 10 parts 38,843 words 36,705 views 4.5 stars (29 votes)
• Acclimating by Dream Big  CockUp Cock Musc PointyEars Tf PSD Demons Witch Fant Shift  Dealing with finding yourself unwillingly summoned into a fantasy-themed world as a fearsome, horned, and hung demon is, it turns out, mostly a matter of adjusting yourself to your new situation. Added Mar 2020 Updated May 2021 39 parts 38,773 words 17,161 views 5.0 stars (21 votes)
• Gooed friends by Ziel  CockUp Cock XCock XLimb SizeUp Goo Tent Hallow Shift  The author, prompted to write about multi-limb and keen to indulge in his love for “slime boys,” offers a story rife with gooey fun, cute sappy young love, multi-limbs, consentacles and some mild muscle and junk growth for good measure. Added Jul 2014 Updated Jan 2018 5 parts 38,627 words 39,299 views 4.7 stars (67 votes)
• U4ia gym by StevePwrBear  CockUp Cock HyCock Self MuscUp Musc SizeUp Fly  The impressively-muscled owner of the gym Steve works out at is starting to take a personal interest in his progress. Added Dec 2003 10 parts 38,596 words 33,678 views
• The six pack by Cris Kane  CockUp CockDn Cock MFSwap Fem Mental 2Gay MuscUp Musc AssUp BellyUp Libido Handsomer Grad Tf Taller SizeDn SizeUp AgeUp AgeDn Race Hairier Fatter Viol Series  Returning from a Mexican vacation, a gay couple bring back a mysterious drink for their friends to try, bringing on some changes for the group of friends that require a great deal of getting used to. Added Sep 2018 9 parts 38,564 words 18,264 views 4.9 stars (10 votes)
• The heart is a muscle by Mikeytron  HyMusc HyStr MuscUp Gut Musc Grad PSD  A muscle growth bildungsroman: shy small nerd meets his college roommate, who’s friendly, confident, and fucking huge. Growth occurs, both emotional and physical, over the course of their first year together. Added Jun 2021 Updated Jul 2021 6 parts 38,553 words 16,736 views 4.9 stars (52 votes)
• Centurion of light by Ravine Mountain  CockUp Cock HyCock NipC HyCum NipCum XAbs MuscUp Musc Voice SizeUp Inc Twins Demons Ancient  A great new story in which a centurion, Marcus, and five of his best men are transformed by the god Mars—and charged with a mission. Added May 2014 Updated Jan 2019 12 parts 38,226 words 49,962 views 4.9 stars (47 votes)
• Skin tight by Dream Big  CockUp Balls Cock HyCock Self MuscUp Musc Grad Taller PSD SizeUp HyTongue AI Nano HyPher  Mark has big brains, but a big body? Not so much. So he decides to bend his gray matter toward a high-tech A.I.-assisted body suit that will help him achieve the kind of body he dreams about. Added Apr 2019 Updated Oct 2020 23 parts 37,778 words 37,704 views 4.5 stars (37 votes)
• First big date by Peterbilt  CockUp Cock PublicOrg Musc AgeDiff Virgin  Ben’s story of his relationship with young Jason covers many years, including getting the deets of Jason’s first big date. Added Dec 2007 3 parts 36,548 words 29,635 views 4.9 stars (20 votes)
• Synthetic reality by brazboy  Cockfuck Balls Cock HyCock CumMilking PublicOrg MusBr Musc Worship Nude PSD App Retcon Series  Augusto messed up in an outing with his friends, and was dumped in a random Uber to find his way back home. He opens up during his ride home and the Uber driver feels sympathetic enough to offer the lad a try-out of this new app he is developing. When Augusto’s life goes back to normal on Monday, he just wants to forget what happened on Friday completely, and leave it behind him as fast as possible—but the stuff he did while drunk catches up to him and in fact to the whole world. Added Aug 2021 Updated Sep 2021 9 parts 36,235 words 6,088 views 4.8 stars (6 votes)
• The salt by RdyRoger  CockUp Cock MuscUp Musc Worship Libido Grad Taller SizeUp TongueGr Inc Bro Series  Trav gets his hands on some salts that cause all kinds of sexy growth and transformation. Using them on himself is great, but growing other people without their realizing it is even more fun. Added Jun 2010 9 parts 35,754 words 72,360 views 4.7 stars (18 votes)
• ’Mini’ge a trois by Ziel  SizeDn  Rhys and his two buddies decide to experiment with a shrinking potion. It’s a long way down, but it’s sure to be one helluva ride. Added Mar 2016 Updated Jun 2017 11 parts 35,619 words 14,712 views 4.6 stars (18 votes)
• Muscle seduction by Azerreza  CockUp Cock HyCock HyCum PublicOrg XAbs HyMusc HyStr MuscUp Musc Libido Grad Voice Taller PSD SizeUp Virgin M/M  When Nick moves to a new city he hears rumours that it had once been partially destroyed by muscular titans. Not believing it at first, he decides to ignore them. But sometimes… rumours aren’t really rumours! And if it were true that there was a way to grow like that, could he use it to seduce the secret love of his life? Added Aug 2021 Updated Sep 2021 3 parts 35,026 words 7,541 views 4.8 stars (9 votes)
• Tank the bouncer by spacevlad  2Gay MuscUp Gut Musc Scent Giant PSD SizeUp Fatter Viol Nonc Rape  Bar owner Matt can only afford one bouncer for his bar, so he hires the biggest one he can find: Tank, an ex-college football player who is eager to grow even bigger. Matt has a way to make that happen, but after the first unexpectedly effective injection, the newly huge and strong Tank starts turning the tables on his boss. Added Jun 2016 Updated Aug 2016 18 parts 34,977 words 47,135 views 4.1 stars (29 votes)
• Tim’s adventure by WordShop  CockUp Cock HyCum MuscUp Musc Libido Grad SizeUp Hairier Virgin  Tim finds romance becomes a little more complicated when muscle growth and hypermasculity is involved. Added Jan 2018 Updated Feb 2018 5 parts 34,729 words 22,007 views 4.4 stars (14 votes)
• Seth’s life changing adventure by Navy Alpha Pup  CockUp CockDn Balls Cock 2Gay MuscUp Musc Scent Voice Viol Dom Hum Slave Fluids Alcohol M/M  Seth has settled into his post-corps life, or thinks he has—until he meets a fellow ex-Marine who offers him everything he didn’t know he wanted. Added May 2019 Updated Sep 2021 9 parts 33,904 words 15,352 views 4.9 stars (14 votes)
• Ben’s escapades by Kaelan  CockUp Balls Cock HyCock Self HyCum NipCum MuscUp Musc Grad Inc Bro  Ben undergoes medical treatment to make his genitals unusually huge, but is he ready for the dramatic changes that it’ll bring to the rest of his life? Added Feb 2018 Updated Jun 2018 9 parts 33,606 words 44,888 views 4.7 stars (33 votes)
• The good freak by Also Known As  AlwHard CockUp Balls Cock HyCum MuscUp Musc Grad Taller SizeUp Infect  Kevin Peters is a cheerful, very fit young man who happens to be getting bigger and hotter in every way, much to the bemusement (and secret arousal) of his doctor. Soon the guys around him are growing too, and Dr. Donaldson discovers even he’s not immune... Added Nov 2002 33 parts 33,508 words 38,272 views 4.9 stars (19 votes)
• Twelve steps back by FanTCMan  CockUp Balls Cock Addict Mental 2Gay MuscUp Musc Worship Libido Handsomer  Ian pursued working out as a way of chasing off his inner demons. Then he heard about a serum that seemed to make you not just bigger, but enhanced everything about you that was masculine and sexy. And if it made you horny too, well, that was fine by him. Added Nov 2003 Updated Mar 2018 9 parts 33,235 words 24,728 views 4.7 stars (13 votes)
• Costumemania: The sticky super suits by Redouan  CockUp 2Gay HyStr MuscUp Worship Taller SizeUp Dom Lycra Super M/M M/M/M  Robin and Sven are two nerdy friends working at an office. They both love superheroes but are too invested in their office life to take the hobby further. But something is about to change this as they receive two costumes to wear for an upcoming event. Added Aug 2020 Updated Apr 2021 11 parts 32,532 words 10,153 views
• Anomalous Materials Research Facility 3‑DL by Mad Dog and Gurak  CockUp Cock HyCock XCock XHead XLimb Mpreg Tf SizeUp Fur Cent Demons Orcs  Working with exotic materials on a distant research space station is all in a day’s work for Carter, a theoretical physicist and the sole mundane human in a crew of sexy (and sex-loving) creatures straight out of a very dirty fantasy novel. But when you work with stuff that scoffs at the laws of physics, normality can’t remain unbent forever. Added Sep 2019 Updated Mar 2020 6 parts 32,475 words 15,932 views 4.9 stars (23 votes)
• The gene gene by RdyRoger  CockUp Cock MuscUp Musc Worship Handsomer SizeUp Race  When other guys’ spunk transforms you into a totally different, much hotter guy, you learn there are lots of possibilities for fun—if you’re careful. Added Oct 2011 6 parts 32,071 words 56,408 views 4.5 stars (25 votes)
• The shape of things to come by Mykkhal  Tf Alien Goo Space Shift Future  The growing intimacy between Tom and Harry is disrupted by the revelation that Harry isn’t who—or what—he appears to be. Added Mar 2003 13 parts 31,913 words 15,866 views 4.6 stars (7 votes)
• Bigger issues: Ultimate growth by muscl4life  CockUp Cock HyCock MuscUp Musc Worship Libido SizeUp Infect Series   Added Nov 2013 Updated Dec 2013 6 parts 31,808 words 36,500 views 4.4 stars (7 votes)
• The bet by JayPat  MuscUp Musc SizeUp  A simple operation can turn you into a hunk as hot as the football players you dream about. Do you even ask what the downside is? Added Oct 2012 4 parts 31,784 words 33,268 views 4.7 stars (19 votes)
• Just a little bigger by Dream Big  CockUp Cock Self MuscUp Musc Libido BreastUp Grad Tf Taller Bi Het  Drew has two problems: he’s got a crush on his two best friends, Vic and Sarah, and he’s self-conscious about being short and skinny. He’s not prepared for the changes that develop in both departments on their fateful post-graduation trip to New York City. Added Dec 2019 Updated Mar 2020 15 parts 31,368 words 21,264 views 4.6 stars (14 votes)
• Metaboi by BRK  AlwHard Cock HyCum XAbs XCock XHead XArms XLimb XPec XTongue Rep Stack MuscUp Taller PSD Retcon Swap Merg Tksg Series  There’s a special clothing store that caters especially to the meta boi. If you’re their kind of customer you already know it—or you’ll soon find out. Added Jun 2010 Updated Nov 2017 8 parts 31,338 words 56,674 views 4.8 stars (16 votes)
• Twinning: The college years by BRK  AlwHard CockUp Cock HyCock Self XDig XAbs XCock XTongue Rep MuscUp Musc NoShirts Taller SizeUp TongueGr StPat Series  At college, Will attracts the attention of a sexy, Irish hockey player who pushes all Will’s buttons—but now that he’s in this new world Will isn’t sure he can share all of himself with his slowly growing admirer. Added Mar 2017 Updated Feb 2019 7 parts 31,239 words 18,873 views 5.0 stars (10 votes)
• Dick note by Thorn  CockUp Cock  Waking up from an odd dream, Forest awakens to find something is in his backpack. Added Jan 2021 Updated Jun 2021 6 parts 31,185 words 15,772 views 5.0 stars (45 votes)
• Touch by BRK  Cock Mental Musc NoShirts Inc Bro  Kevin goes to college where his gift for making guys he likes willing to casually touch him seems to intensify just as he’s moving in with his hunky older brother. Added Mar 2019 Updated Aug 2019 5 parts 31,177 words 17,877 views 4.8 stars (33 votes)
• Pictures of Dorian’s gays by John  MuscUp Musc  Kevin goes to the gym partly to scope out Michael, the biggest and best built guy working out in the whole club. The owner picks up on Kevin's lust, and offers a chance for him to pursue his own muscle dreams. Added Apr 2003 7 parts 31,093 words 12,747 views
• Basically a god by CurlyJin  CockUp Balls HyCock HyCum Taller Giant SizeUp Bi Het Lycra Space Super Fly X-Ray  What do you do when the kid you bullied in high school becomes a god? Added Jul 2016 Updated Jun 2019 9 parts 31,027 words 64,666 views 4.3 stars (22 votes)
• Cadence by BRK  CockUp Cock MuscUp Musc Libido Handsomer Taller PSD SizeUp Viol Witch Immort Ancient M/M  Lucius, an ex-ancient Roman whose peculiar curse involves the beauty of the men around him, suddenly finds that everything he thought he knew about his uncontrollable abilities has changed when he's discovered by a trooper one night sleeping in his car on a lonely stretch of Midwestern highway. Added Nov 2016 Updated Mar 2019 6 parts 30,727 words 15,569 views 4.6 stars (12 votes)
• A.I. by Corwin  Cock CumMilking Addict HyMusc MuscUp Musc Worship Grad PSD SizeUp AI Viol Bond Andr M/M  Tim’s homemade A.I. software decides to help him get huge. Added Dec 2013 11 parts 30,556 words 46,585 views 4.8 stars (29 votes)
• The journal by Braun1  CockUp Balls Cock MuscUp Musc SizeUp Hairier Infect  An ordinary college guy finds himself changing after a steamy encounter with a hunk named Brad, and decides to start documenting everything that’s happening to him. Added Feb 2003 11 parts 30,474 words 20,794 views 4.9 stars (12 votes)

• Irresistible by Jefftaur and Mr Arbitrary  WFoot Genie  Brandon has a thus-far unrequited crush on his friend Ethan. A wish gives him the chance to push things forward, but the results aren't what he expected! Added Feb 2019 8 parts 29,914 words 3,997 views 5.0 stars (9 votes)
• The cyclist by Corwin  CockUp Cock MuscUp Musc  That jogger Scott started noticing on his bike runs has been getting hotter and more muscled. After getting to know each another on the trail Mark decides to share his secret. Added Dec 2013 11 parts 29,802 words 23,658 views 4.8 stars (10 votes)
• Titanification by JayPat  Cock HyStr MuscUp Musc Giant SizeUp Viol   Added Oct 2012 8 parts 29,739 words 29,375 views 4.4 stars (10 votes)
• The box by BRK  CockUp XDig XCock 4Legs XArms XLeg XLimb Rep Str Virgin Inc Bro Witch Series M/M M/M/M M/M/M/...  Steve gets a box of clothes from his mysterious and beautiful brother, Peter, and it turns out the clothes have an amazing effect on his already unusual body. Added Dec 2002 Updated Sep 2019 8 parts 29,657 words 22,360 views 5.0 stars (12 votes)
• An unexpected side trip by votdat  Cock HyStr Musc Virgin Viol Nonc  Tyler was ferrying a small airplane between Australia and Hawaii. Problems with the plane caused him to make an unscheduled stop on a small island, launching a series of events he certainly wasn’t expecting. Added Apr 2020 Updated Jun 2021 6 parts 29,617 words 4,383 views 4.2 stars (10 votes)
• The hulk pill by JayPat  Cock MuscUp Musc SizeUp Nano Infect  The only thing weirder than your buddy Boz offering you a “hulk pill” would be for it to actually work. Added Oct 2012 5 parts 29,485 words 72,946 views 4.6 stars (24 votes)
• Bali encounter by LenZelig  Cock Musc Virgin Inc Twins Bi Het  On a trip to Bali, a happily married couple, Pete and Lori, encounter a pair of irresistibly beautiful muscle twins named Wayan and Kadek, and then their family and friends… and things become deliciously complicated. Added Nov 2017 Updated Dec 2017 2 parts 29,433 words 9,856 views 5.0 stars (39 votes)
• Say cheese and grow by hyperboi  CockUp Cock Self MuscUp Musc Grad Inc Bro  When Greg and his friends take a picture of themselves using a creepy camera, the resulting image shows them wildly transformed in different ways. They just think it’s a weird glitch, until it slowly starts becoming true. Added Nov 2013 13 parts 29,433 words 33,518 views 4.7 stars (23 votes)
• Finding Mark by nightwolf285  CockUp Cock MuscUp Musc SizeUp  Turning 16 means lots of changes for Mark. The one he’s not expecting is the ability to change his own body. Added Oct 2010 11 parts 28,620 words 36,911 views 5.0 stars (12 votes)
• Summer research by spacevlad  CockUp Balls Cock HyCock Dumber Mental 2Gay HyMusc HyStr MuscUp Gut Musc Scent BellyUp Taller Giant PSD SizeUp Hairier Viol Slave 4th of Jul  Dave, an ambitious researcher at a well-known university, hires an eager-to-grow football player to test an experimental growth supplement. The experimental growth supplement works much better than anticipated and Grunt gains over 50 pounds in just a week, though with some troubling side-effects. Added Oct 2017 Updated Dec 2017 12 parts 28,541 words 34,086 views 4.8 stars (24 votes)
• The new guy by Also Known As  AlwHard CockUp Cock HyCum Addict MuscUp Musc Handsomer Nonc Infect M/M M/M/M  A new employee causes pleasant though potentially cum-plicated problems. Added Jun 2019 Updated Sep 2019 6 parts 28,047 words 19,876 views 4.6 stars (22 votes)
• The Zeke chronicles by Sean Reid Scott  CockUp Cock MuscUp Musc Worship Taller AgeDiff Inc Dad Dom  Zeke, an 18 year-old gorgeous stud, was already big before some very special visitors seem to have given him a special ability to grow and grow, bigger and bigger, stronger and stronger. Added Jul 2013 Updated May 2017 7 parts 27,675 words 38,445 views 4.3 stars (16 votes)
• The bunker by JayPat  CockUp Cock MuscUp Musc SizeUp  Fleeing some bullies, three teens hide in a secret abandoned bunker hidden in the Arizona wilds where they find some antiquated computer equipment that they really should’ve left alone. Added Nov 2018 5 parts 27,642 words 14,644 views 4.4 stars (20 votes)
• Last resort by Also Known As  CockUp Cock MuscUp Musc SizeUp  Our narrator finds himself whisked off to a mysterious resort where everything seems perfectly designed to cater to his every fantasy—especially the all-male staff. But reality keeps changing around him, and he has no idea how or why. Added Jan 2014 8 parts 27,579 words 18,020 views 4.5 stars (13 votes)
• The transform center by Zboro  Cock HyCock XBalls XCock XArms XLimb 6Legs Rep Wings Musc Tf Voice 2Animal Scaly Dragon Fly  Seb gets ahold of a business card for a strange place called Transform Center, after hearing a stranger at the gym talk about how big he’d gotten. Can it be for real? And what was all that about fantasy creatures? Added Jul 2017 Updated Sep 2017 7 parts 27,524 words 18,334 views 4.5 stars (11 votes)
• Raiders basketball by VanderAnder  CockUp Cock Self Bi Het  Trying out for the school basketball team involves more than being really good at basketball. Added Apr 2013 24 parts 27,394 words 28,020 views 4.8 stars (13 votes)
• Muscle milk tit freaks by TitMorpher  NipCum MusBr MuscUp Musc Worship Images   Added Sep 2011 Updated Jun 2012 9 parts 27,090 words 95,919 views 3.8 stars (8 votes)
• American giants by Jonathan Banner  CockUp Cock FootUp  Johnny is introduced into a world of big men who are growing enormous cocks. Added Jan 2015 6 parts 26,948 words 41,800 views 4.7 stars (49 votes)
• Tank by Corwin  Cock MuscUp MuscDn Musc Bi  A star alpha male has to take back his gym from a bully, except the only way is to grow himself bigger than the already monstrous interloper. Added May 2014 8 parts 26,822 words 22,794 views 4.6 stars (5 votes)
• CAFE blues by JayPat  CockUp Cock MuscUp Musc Taller SizeUp Series  Five-foot-nothing Colin dreams of getting bigger. Then he meets muscle-stud Charles’s dazzling brother Sky and all of his fantasies intensify, leading to his seeking out the secrets of height and muscle growth. Added Aug 2019 5 parts 26,121 words 10,643 views 4.6 stars (7 votes)
• Musclove, Texas by Max Mann  CockUp HyCock HyCum MuscUp Musc AgeDiff Virgin Inc Bro Dad Twins Bond  Moving to Musclove, Texas with his sons to take up a new teaching position, Rick Long is startled to find a town full of huge, hung, and horny men, all of them eager to have the newcomers join them (in more ways than one). Added Sep 2004 9 parts 26,085 words 58,036 views 4.7 stars (45 votes)
• The Arsenal of Secrets by BRK  CockUp Cock XAbs XArms XLimb MuscUp Tf Taller SizeUp Fant Series  Griffin, tired of being smaller than his farm-brute brothers, stumbles backwards into a way to make himself more like what he wants to be: big and strong enough to catch the eye of a beautiful, bashful, broad-shouldered apprentice blacksmith named Wass. Added Aug 2020 10 parts 25,798 words 4,885 views 4.9 stars (8 votes)
• Onion Hill Manor by William Allen  CockUp Cock HyCock XArms XLeg XLimb 2Gay Immob MuscUp Musc Handsomer Tf Giant SizeDn SizeUp  Unremarkable twenty-something gets a new job working at a strange mansion alongside a team of beefy, muscle hunks. Added Oct 2017 Updated Dec 2017 5 parts 25,642 words 20,665 views 4.9 stars (17 votes)
• The chronicles of Besar Otot by OneLuckyGuy89  CockUp Cock HyCock XCock MFSwap 2Gay MuscUp Musc Tf Taller PSD SizeUp AgeUp Hairier AgeDiff Inc Bro Dad Nonc HyPher  On a distant unknown island near Indonesia called Besar Otot, Kenny Masters returns home a new man and intends to change his family as well. Added Jan 2020 Updated May 2021 8 parts 25,601 words 11,202 views
• Fred’s odyssey by RdyRoger  CockUp Cock MuscUp Musc Worship  After saving the life of a magic-user on a tropical beach, skinny Fred suddenly finds his dreams of size and endowment coming true—not only for him but for his friends, too. Added Jul 2002 6 parts 25,375 words 29,237 views 4.7 stars (9 votes)
• Sean goes to prison by Joven  CockUp Balls Cock CumMilking 2Gay MuscUp SizeUp Nonc Bond  After an ill-advised flirtation with vandalism, Sean ends up at a very strange detention center where you’re either milking the other prisoners with the oversized balls, or… you’re one of the ones being milked. Added Aug 2017 Updated Nov 2017 17 parts 25,344 words 36,681 views 4.7 stars (32 votes)
• Enhanced muscle and futuristic porn by Marquis de Rent  CockUp Cock HyCock FTM Immob MuscUp Musc Tf PSD SizeUp Nano Space Future  In a futuristic space convoy, a young doctor builds his career on groundbreaking male enhancements. Added Sep 2016 5 parts 25,251 words 26,209 views 4.5 stars (24 votes)
• Cursed cocks by CockTFBoi  CockUp CockDn CumInf HyCum PublicOrg FTM Addict 2Gay MuscUp Scent Libido Grad Hairier HairDecr Nonc HyPher M/M M/M/M/...  Marcus is having a horny night in the dorm when an inadvertent wish by his roommate sends him on a path to a new life. Added Aug 2020 8 parts 25,154 words 8,943 views
• The transition transaction by Taur Reg  Tf Cent Witch  Ben wants to change his body, but he may get more than he bargained for. Added Aug 2013 10 parts 24,977 words 10,795 views
• The Reflex by Cris Kane  MuscUp Musc Grad AI  James receives an unexpected gift from an old friend: the trendy new home gym called the Reflex System. Added Mar 2020 Updated Apr 2020 5 parts 24,756 words 7,693 views 4.7 stars (7 votes)
• The awakening by Johnny M  HyCum NipCum MusBr Musc AgeDiff Inc Bro Dad  Danny’s secret muscle-breast fantasy kink begins bleeding into the real world. Added Jul 2012 10 parts 24,690 words 51,840 views 4.6 stars (15 votes)
• Max’s wish by Bulge101  CockUp Cock MuscUp Musc SizeUp Infect  Scrawny Max uses his wish-power to make himself worthy of the extremely hot bully he has a crush on, but his friend Bobby deserves his help, too, and soon lots of changes start happening at school and at home. Added Aug 2011 Updated Nov 2011 11 parts 24,647 words 264,420 views 4.5 stars (71 votes)
• Acting out by Cris Kane  CockUp Cock MuscUp Musc  A straight actor preparing to audition for a gay role receives help getting into character from his gay friend and a couple of magic rings, but their mind-altering effects lead to unexpected outcomes for Quinn and Damon alike. Added Aug 2014 3 parts 24,612 words 26,836 views 4.5 stars (16 votes)
• John the wizard by RdyRoger  CockUp Balls Cock HyCum MuscUp Musc Handsomer Grad Taller SizeUp Hairier Sugg Witch  John is a wizard and likes helping out his friends—usually in ways that involve none-too-subtle increases in height, equipment size, and muscle. Added Dec 2017 Updated Sep 2019 7 parts 24,468 words 29,805 views 4.5 stars (20 votes)
• Shadow and flame by BRK  CockUp Cock Genie Supn Ancient Earth 20th  As a jinn, I am used to being in control, master not only of all the elemental powers of the earth but of my own fate as well. And I was—until the night I was tricked and ensnared by an ambitious young nobleman too beautiful for even me to resist. Added Apr 2018 Updated Feb 2020 7 parts 24,360 words 11,874 views 4.7 stars (18 votes)
• Ice ice baby by David  CockUp Cock HyCock Virgin  A well-hung rap star has an encounter with a couple of very devoted fans. Added May 1997 7 parts 24,275 words 26,659 views 4.2 stars (6 votes)
• Karma pills by Musiker  CockUp CockDn NoCock Balls Cock HyCum Dumber Mental 2Gay MuscUp Musc HyAnus Grad Taller PSD SizeUp Dom Hum Nonc Slave Fluids Fur Mind  Steve has been bullying the other members of Matt's Gym for ten years. When Matt gives Steve a new kind of muscle-enhancing pill, he conveniently forgets to mention some significant side effects. Added Jun 2019 Updated Jul 2019 5 parts 24,186 words 20,023 views 3.7 stars (16 votes)
• Eustace conquers the world by JayPat  CockUp Cock MuscUp Musc Taller Giant SizeUp Viol Dom  Eustace, always the victim, decides to bulk up to avoid getting beaten up. At first he tries working out, but then he uses his smarts to create ways to boost muscle growth. It soon becomes apparent these are much more effective than anticipated. Added Mar 2019 3 parts 23,971 words 14,487 views 4.6 stars (12 votes)
• Grow lamp 2: Peter principle by Dream Big  CockUp Cock Musc Taller HyPher Series  Peter Chang, now taller, thickly muscled, and prodigiously hung thanks to Jeremy and Tom’s impossible grow lamp, now must get used to the attention his new body draws… and the unexpected after-effects of his exposure to the lamp’s mysterious growth magic. Added Jul 2018 Updated Nov 2018 15 parts 23,683 words 22,980 views 4.5 stars (18 votes)
• The Black Knights: Coming home by Meddler Incs  CockUp Cock MuscUp Musc SizeUp Nonc Alien Symb Series  When an ex-football player, now a local newspaper reporter, investigates The Black Knights, he gets more than he bargained for. Added Oct 2018 Updated Dec 2019 14 parts 23,531 words 16,062 views 4.8 stars (12 votes)
• Alpha product series by Chet Boner  CockUp Balls HyCum NipCum MuscUp Musc AgeDiff Inc Bro Dad Images  19-year-old Trent accepts a free trial product series called “Alpha Product” in exchange for his feedback. He receives the first product very quickly, but doesn’t know how many people would be affected and grow as a result of this choice! Added May 2017 Updated May 2019 19 parts 23,227 words 65,099 views 4.3 stars (41 votes)
• Mysterious kidnapping by Joven  CockUp Balls Cock MuscUp Musc AssUp  Jared and Derek are traveling abroad when they’re suddenly kidnapped and secreted away in an isolated room… naked. They naturally become aware of each other’s junk, though Derek isn’t too pleased by Jared’s attention. But the situation with their equipment only gets more intense… Added Feb 2018 Updated Apr 2018 13 parts 22,924 words 23,339 views 4.9 stars (15 votes)
• Joined by BRK  CockUp Cock XDig XCock XHead XTongue XTorso Rep MuscUp Musc Taller SizeUp Nonc Merg  Dylan wakes up kissing an incredibly beautiful man he’s never met before, and finds that he’s more connected to this man than any lover he’s ever had. Added Sep 2017 Updated Feb 2021 5 parts 22,816 words 12,338 views 4.8 stars (17 votes)
• The Muscles Tech Hotel by TonnyGiant  Cock MuscUp Musc Giant PSD SizeUp  Deciding to take a vacation, Luke happens across a listing for a hotel where the employees and the guests all seem to be gorgeous muscle giants. He registers immediately, wanting to be among men like that, but secretly yearning even more desperately to be just like them. Added Nov 2017 Updated Dec 2017 6 parts 22,742 words 16,537 views 4.5 stars (13 votes)
• Making the rules by EdIam  Mental Scent Inc Bro Dad Hum Nonc Slave HyPher Hypno Mind  Frank likes structure and rules in his home. Desmond likes corrupting families. Whatever could happen when the two meet? Added Sep 2021 2 parts 22,700 words 2,324 views
• The brothers by FanTCMan  AlwHard CockUp Cock Addict 2Gay MuscUp Musc Grad Hairier Inc Bro  Cory Callahan and his three sibs participate in a secret program, resulting in more muscles, body hair, cock size, and horniness. Added Mar 2003 8 parts 22,620 words 91,850 views 4.8 stars (87 votes)
• Amplifications by Also Known As  Cock MuscUp Musc SizeUp Series   Added Jan 2014 5 parts 22,602 words 20,289 views
• The Christmas ghost of FitzHardinge Manor by BRK  CockUp Cock MuscUp Musc Tf SizeUp Viol Merm Ghost Incub Witch Supn Xmas Immort Invis 19th Cent M/M M/M/M  A sometimes dark tale of a young man consigned to the guardianship of witches, only to be turned by a sex-starved, secrecy-obsessed sorcerer-suitor into a being unheard and unseen, capable of sharing the pleasure of touch, but bound to a single day of the year; and how from these ashes he rises to find what he can become in this new life that has been forced upon him. Added Dec 2017 Updated Dec 2018 3 parts 22,408 words 11,273 views 4.9 stars (15 votes)
• Big men on campus by Aardvark and Cris Kane  HyMusc MuscUp Musc Handsomer SizeUp Viol  The Alpha Alpha Alpha fraternity recruits a prospective pledge who will need a few adjustments to fit in. Added Oct 2014 22,377 words 26,015 views 4.6 stars (14 votes)
• The bodyguards by Alakazam1988  CockUp Balls Cock NipC NipCum MuscUp Gut Musc BellyUp Grad PSD SizeUp Infl Inc Bro Twins  Two already huge and beautiful brothers apply for a job guarding a man who might be able to help them get even bigger. Added Apr 2021 Updated Aug 2021 9 parts 22,376 words 23,650 views 4.8 stars (35 votes)
• The trainer by Also Known As  AlwHard CockUp Cock MuscUp Musc SizeUp   Added Jan 2014 7 parts 22,349 words 19,188 views 5.0 stars (7 votes)
• Spice up your life by Musclesaber  CockUp Cock MuscUp AssUp BellyUp Taller 4th of Jul Pandem  Roommates Sam and Collin try to return to a life of normalcy after the pandemic. Trying to have a get together with friends, Sam buys a new spice pack at the store that has some surprises in store for the pair. Added Feb 2021 Updated Aug 2021 8 parts 22,174 words 17,582 views 5.0 stars (21 votes)
• The construction worker by Peterbilt  CockUp Cock Musc AgeDiff Virgin Inc Dad  A troubled young hardhat named Jordan is helped through a series of self-discoveries by Joe, a father-figure who comes to mean more and more to Jordan. Added Sep 2015 22,148 words 21,760 views 4.8 stars (12 votes)
• Under control by Alakazam1988  CockUp Balls Cock MuscUp Musc AssUp Grad Taller SizeUp  Rylan is enthralled as his roommate, Peter, seems to be growing all over—though Peter denies anything is happening, and no one else seems to notice either. Added Apr 2020 Updated Aug 2020 5 parts 22,139 words 23,151 views 4.9 stars (25 votes)
• The Body Builder by Greggrth  CockUp Balls Cock HyCock CumInf MuscUp Str SizeUp Rubber Super  Steve’s life is about to take a very strange turn when a supervillain called the Body Builder breaks into his lab and causes an accident. Will this be the origin story of a new hero’s rise to glory, or will it spell disaster for the heroes of the city when Super Dick causes all sorts of changes when he can’t control his not so little buddy… Added Dec 2020 Updated Jul 2021 7 parts 22,111 words 24,758 views 4.9 stars (30 votes)
• Frank’s gym by Writ Bro  CockUp Cock MusBr MuscUp Musc Dom Slave  Alec finds out more about what it means to be one of Frank’s bitches—and having his growth under Frank’s control. Added May 2014 Updated Mar 2015 7 parts 22,108 words 48,581 views 4.6 stars (38 votes)
• A real man by DoubleCream  CockDn Addict 2Gay Musc Worship Scent Mpreg PSD SizeDn HairDecr Virgin Cage Dom HyPher  A douchey gym bro wakes up in another world, in another body. Added Jan 2021 Updated Jul 2021 5 parts 21,958 words 14,114 views 4.8 stars (29 votes)
• Vlogger by Sithspawn  Grad Tf Super Fly X-Ray Dialog  An anonymous guy begins to notice strange changes in his body and starts a video blog to document what’s happening. Added Mar 2021 12 parts 21,599 words 3,421 views 5.0 stars (5 votes)
• Lazarus by muscl4life  CockUp Cock MuscUp Musc Giant PSD SizeUp  A rogue bio-engineer discovers a way to infuse young men with the strength of the sun. Added Apr 2018 3 parts 21,555 words 15,750 views 4.6 stars (16 votes)
• Bottom mega-alfa by Jerkoffcentral  CockUp Cock MuscUp Musc SizeUp Hairier Dom Nonc Were  Lit prof Jonas has been lusting after the exceptionally muscular students on his prep school survival outing, but even more after the massive gym teacher Noah, who’s so alpha he has trouble controlling just how massive he is—especially when he’s aroused by an admirer’s obsessive lust. Added Nov 2014 Updated Dec 2017 8 parts 21,520 words 62,006 views 4.7 stars (51 votes)
• No limits by Corwin  CockUp Cock HyMusc HyStr MuscUp MuscDn Musc Worship  There’s a secret serum that makes you super-muscled and super-strong, but what you do with that—that’s all you. Added Mar 2020 7 parts 21,446 words 13,722 views
• I wanna get huge by JayPat  MuscUp Musc SizeUp Inc Bro Xmas ValDay Series  “I wanna get huge,” he said. Added Oct 2012 2 parts 21,281 words 50,431 views 4.4 stars (22 votes)
• Magic eye by RdyRoger  CockUp CockDn Balls Cock HyCock MuscUp Musc Taller SizeDn SizeUp Lycra  Once he found out the secret of magic growing things suddenly seemed really easy for Al, until the day he was startled by Turner while he was staring deep into his hot friend, Tony. Added Aug 2019 Updated Sep 2019 7 parts 20,700 words 13,931 views 4.8 stars (14 votes)
• The new job by hyperboi  CockUp Cock HyCock HyMusc MuscUp Musc Grad SizeUp Inc Bro  Out-of-work engineer Jake takes a job at an isolated mansion, where he’s overpaid for just guarding a gate and letting through mysterious trucks. He and his coworkers are getting slowly bigger and hornier, too, and all this seems really great except for a certain nagging doubt—and a terrifying warning from the hugest of his fellow guards. Added Aug 2014 8 parts 20,447 words 31,203 views 4.6 stars (39 votes)
• A love letter by Seth Peterson  2Gay BellyUp Handsomer Grad Taller PSD Fatter  A slow, steady, and delicious story of love, growth, and lots of big doughy softness! Come see the progression of a boy and his one and only…from friends to lovers to something very big indeed! Added May 2020 20,430 words 3,465 views
• More than expected by LennoxBear  CockUp Balls Cock CumMilking NipCum MusBr MuscUp Musc Hairier Virgin Nonc Infect  Intent on preventing his beefy bod from getting soft, Joe is increasingly obsessed with his gym workouts. Then he meets a kindred spirit who helps him take things to a whole new level. Added Jul 2002 5 parts 20,375 words 81,788 views 4.2 stars (17 votes)
• From the files of the Magic Misuse Office by BRK  CockUp Cock XCock XHead XArms XLimb XTorso Rep 2Gay MuscUp Libido Tf SocMed Inc Twins Merg Witch M/M M/M/M  High-ranking magilegal investigator Liam O'Brien reports on a YouTube video in which twin college students have an illicitly magical effect on anyone watching. Added Sep 2017 Updated Sep 2021 6 parts 20,306 words 14,382 views 4.9 stars (34 votes)
• Hard to hide by BRK  CockUp Cock HyCock MuscUp Musc Grad Taller SizeDn SizeUp Merg Share M/M  Jooyong is working his uncle’s demolition site when he encounters a man in need of protection, but it’s more complicated than your average plea for help. For one thing, the man who needs help is not an ordinary man. And the kind of help he needs is something Jooyong isn’t even a little prepared for. Added Jun 2017 Updated Jul 2019 7 parts 20,225 words 18,362 views 4.8 stars (13 votes)
• Orientation by Cris Kane  MFSwap 2Gay MuscUp MuscDn Musc Tf AgeUp  After a welcoming party, freshman roommates discover that life is different at college—and so are they. Added Apr 2019 4 parts 20,127 words 13,297 views 5.0 stars (7 votes)
• Hothorne Academy by Also Known As  Cock Musc  Toby is selected for a full scholarship to a prestigious prep school he’s never heard of, and from the moment he arrives he’s stunned by how amazing the place is, how hot the guys are, and the fact that he’s more turned on, moment by moment, than he’s ever been before. Added Sep 2018 Updated Feb 2019 3 parts 20,022 words 8,023 views 4.9 stars (13 votes)

• Click bate by Dream Big  CockUp Cock HyCock Self AI Pandem  Andy didn’t remember ordering this weird butt and cock pleasuring equipment, but, hey, it looked like it might be fun to play with… Added Nov 2020 Updated Mar 2021 24 parts 19,898 words 14,074 views 4.9 stars (28 votes)
• Tit hype by Writ Bro  CockUp Cock MusBr MuscUp  Between jobs? How about £5000 in three weeks to take part in medical trials? Who knows, you might even like the side effects. Added Sep 2020 Updated Jul 2021 5 parts 19,822 words 11,497 views
• Dragon’s Horde: Waking up long by STrRedWolf  XDig XAbs XHead XArms XLimb XPec Rep Stack Herm Str Nano Merg Fur Scaly Dragon Alcohol Series  A new series of adventures involving the Dragon’s Horde club, as anthro folks of all sorts and situations—judges, cops, mechanics, and more—find their way to the club and its transforming drinks. Added Aug 2013 Updated Oct 2014 7 parts 19,808 words 20,323 views 3.6 stars (7 votes)
• A few minor adjustments by Cris Kane  Cock 2Gay MuscUp Musc SizeUp  Geeky freshman Ryan is given a camera with special selfie-editing options that Instagram hasn’t thought of yet. As Ryan adjusts to his modified body, he then applies the camera’s effects to his jerk of a roommate, leading to all sorts of complications and an unexpected encounter with his roommate’s bro buddy Shiloh. Added Oct 2014 4 parts 19,736 words 28,995 views 4.7 stars (30 votes)
• Tying the knot by DracumSum  CockUp CumInf MuscUp Tf Hairier Fur Were  Mike got lost in the woods, during the night of a full moon. He heard a twig snap behind him. And now he’s got a new boyfriend. Added Jan 2021 Updated May 2021 4 parts 19,702 words 9,785 views 4.9 stars (19 votes)
• Cult of the Muscle Beast by SuperWaffle  CockUp Cock MuscUp Musc Worship SizeUp  Horny twunk dancer and cum factory Branson is thrilled to learn that the man of his wet dreams, the huge muscle god Maximilian, has engaged his services for a private session. What Branson doesn’t expect is the effect his cum has on Maximilian—or what that means for Branson’s future. Added Aug 2020 19,638 words 6,912 views 4.5 stars (8 votes)
• Canis drainem edit by Ziel  Grad SizeDn Nonc  Pals Cecil and Harvey have a plan to cut the resident bully down to size, but things quickly spiral out of control. Added Jun 2020 Updated Jun 2021 6 parts 19,461 words 7,494 views
• Ryan and Matt forever by Manning  CockUp Cock Musc ValDay   Added Jan 2014 14 parts 19,280 words 9,901 views
• The hike by JayPat  MuscUp Musc SizeUp  When a bunch of teens go out into the woods by the lake for a long hiking trip, it becomes a growth experience for them (and not in the figurative sense). Added Sep 2012 6 parts 19,182 words 18,997 views 4.8 stars (9 votes)
• The four jocks: Knights of the Round Table by BRK  CockUp Cock XArms XLimb MuscUp Musc Were Witch Series  Disguised as a young knight, Merlin accompanies Arthur, Lancelot, and Gawain on a minor quest. Sheltering from bad weather in an abandoned castle leads them to a night of danger, transformations, and new connections. Added Feb 2019 5 parts 19,168 words 6,431 views 4.6 stars (8 votes)
• Kenji by Dream Big  CockUp Cock HyCock Self HyCum MuscUp Musc Taller SizeUp Race Nano  The new stock guy at work, Kenji, is Sam’s pure fantasy—cute, tall, muscled, cheeky, and packing—and Kenji seems just as appreciative. There’s a secret about how Kenji got that way, though, which Sam accidentally discovers the hard way. Added Feb 2019 Updated Mar 2019 6 parts 19,054 words 16,224 views 4.9 stars (14 votes)
• Mass X by Max Mann  CockUp Cock 2Gay MuscUp Musc Libido Handsomer Hairier AgeDiff Inc Dad Xmas New Years  Five short stories of men getting bigger and sexier, through the use of “Mass X”. Added Feb 2005 5 parts 19,019 words 36,978 views 4.6 stars (14 votes)
• Coach Barker by Argenti  CockUp Cock HyCock HyCum 2Gay MuscUp Musc Taller Giant PSD SizeUp Infect  Coach Travis Barker has a special gift, and when he shares this gift with Adam, change begins to unfold around them. Added May 2019 Updated Jun 2019 9 parts 18,987 words 27,539 views 4.9 stars (22 votes)
• Make the fur fly by LordTronimator  AlwHard CockUp Balls Cock HyCock HyCum PublicOrg Nude Grad Tf 2Animal Retcon Nonc Fur  After a boy buys a custom-made fursuit based off his fursona and puts it on, his body begins to experience strange changes that only he seems to notice. Added Aug 2020 Updated Aug 2021 13 parts 18,964 words 15,096 views 4.9 stars (29 votes)
• The dildo of the demigods by SuperWaffle  CockUp Cock HyCock NipC NipCum MuscUp Musc PSD SizeUp  Craving a size-giving artifact, the Dildo of the Demigods, a gym teacher steals it from one of his students, little realizing he’s just as susceptible to its insane growth-lust as the one he’d taken it from. Added Aug 2020 2 parts 18,865 words 8,749 views 4.9 stars (7 votes)
• Drink by Also Known As  Cock Self MuscUp Musc  A certain bar offers drinks with a secret and special kind of potency… just ask for “Rex”. Added Jan 2014 3 parts 18,838 words 18,301 views 4.9 stars (8 votes)
• Super Hard Planet Champions by BRK  Rep MuscUp Musc SizeUp Lycra Alien Space  Logan and his buddies, along with the hot guy from the bowling alley Logan has a crush on, get pulled into a fight to save the universe from the evil Skorth. If only it didn’t involve wearing color-coded Lycra. Added Aug 2017 Updated May 2018 3 parts 18,764 words 11,214 views 4.3 stars (6 votes)
• Endmyths by Taur Reg  XLimb AgeDiff Inc Dad Cent Naga Shift  Transformations spread through an entire town—but why? Added Aug 2013 12 parts 18,537 words 14,539 views 4.8 stars (6 votes)
• The dorm revised by RdyRoger  CockUp Cock MuscUp Musc SizeUp  New roommates Alex and Anthony meet and discover a shared love of muscle and a connection that has a profound affect on them both. Added Feb 2011 4 parts 18,483 words 25,253 views 4.6 stars (7 votes)
• My son home on leave by Peterbilt  Cock Musc AgeDiff Inc Dad  A story of sex between a man and his adult Marine son when he is home on leave. Added Feb 2017 2 parts 18,403 words 13,445 views 4.7 stars (9 votes)
• Dylan & Josh by Alakazam1988  CockUp Balls Cock HyCock CumInf HyCum Grad Xmas  Tired of settling or doing without, Josh is determined to find a boyfriend with a more than ample package. Dylan meets his requirements… and then some. Added Apr 2019 Updated Jul 2019 16 parts 18,351 words 19,421 views 4.5 stars (26 votes)
• Enchanted growth by NBCK99  CockUp Balls HyCock MuscUp Musc SizeUp Fant  When Andrelle’s questing companions succeed in finding a magical dagger, he discovers just why the artifact is so desirable. Added Apr 2015 Updated Oct 2015 5 parts 18,345 words 39,592 views 4.6 stars (27 votes)
• Nightmare at the Pump House Gym by UberPump  CockUp Balls Cock HyCock HyCum HyMusc Immob MuscUp Musc Hallow M M/F M/M  A bodybuilder encounters a strange man at the local gym who forces him to experience his deepest desires first-hand. The growth is intoxicating, but there’s a price to pay he doesn’t see coming. Added Oct 2020 Updated Sep 2021 5 parts 18,313 words 15,634 views 4.9 stars (10 votes)
• Scott by VladBath  MuscUp Musc Worship   Added Jul 2002 12 parts 18,243 words 18,928 views 4.0 stars (6 votes)
• The expedition by BRK  AlwHard CockUp Cock XCock XLeg XLimb 3Legs HyStr MuscUp Musc NoShirts Libido PSD SizeDn SizeUp TongueGr AgeDiff M/M  An archaeologist and his research assistant, joined at the last minute by a jock desperate to boost his GPA, embark on a preliminary exploration of a mysterious Aegean island. Added Jul 2021 Updated Sep 2021 10 parts 17,917 words 4,534 views 4.9 stars (7 votes)
• Starting over: A coming of age story by Mad Dog and Gurak  Musc PSD AgeDiff Seniors  An older, oversized but closeted man finds new meaning to his life through the admiration of a younger fella. Added Aug 2021 Updated Sep 2021 2 parts 17,883 words 2,110 views 4.8 stars (5 votes)
• Ben gets huge by spacevlad  HyCum MuscUp Gut Musc Scent Giant PSD SizeUp  Matt, a kicker on a college football team, befriends Ben, a burly, bearish, muscular offensive lineman with a desire to get bigger. Matt is … able to help him with that. Added Jun 2016 8 parts 17,849 words 50,601 views 4.3 stars (42 votes)
• Uncle Matt’s farm by StevePwrBear  MuscUp Musc SizeUp Hypno  Steve visits his uncle’s farm and discovers something unexpected about his heritage. Winner of Metabods 2005 Meta Story Contest. Added Jun 2005 3 parts 17,841 words 25,747 views 4.6 stars (8 votes)
• The cock bois by CockTFBoi  CockDn NoCock 2Cock HyCum Tf SizeDn SizeUp  When Colin gets a text from a blocked number he is drawn into an adventure to uncover a conspiracy and find his boyfriend. Added Mar 2021 Updated Sep 2021 6 parts 17,761 words 6,589 views 4.7 stars (7 votes)
• Harvard man by JayPat  Mental MuscUp Musc Taller  Luke’s barely into his first week at Harvard, and he’s already figured out what he’s going to be studying—muscle. Added Mar 2020 2 parts 17,469 words 7,314 views 5.0 stars (8 votes)
• Transform: Promises, promises by Also Known As  Cock MuscUp Musc SizeUp Infect Series Series   Added Jan 2014 2 parts 17,445 words 7,300 views
• My quarantine get in shape plan by Dream Big  CockUp MuscUp Musc Scent Grad Pandem  Stuck at home during the quarantine, Terry orders a used weight machine, figuring he’ll use the time to lose weight and tone up. His motivation doesn’t really hit, though, until he starts spending time with his hunky neighbor, Sebastian. Added Aug 2020 Updated Oct 2020 24 parts 17,396 words 7,771 views 5.0 stars (9 votes)
• The leave-behind by BRK  XDig XLimb 2Gay Musc Det  The young manager of a Vermont B&B finds an extremely unusual, and unexpectedly erotic, item has been left behind by a departed guest. Added Aug 2014 Updated Oct 2019 5 parts 17,260 words 14,970 views 4.6 stars (16 votes)
• School for studs by Josef Howard  HyCum 2Gay MuscUp Musc Virgin  Eldon agrees to hand himself over the so-called School for Studs for three years, knowing that the sex they’ll arrange for him with the sexy well-to-do will be worth the commitment. What he doesn’t expect is the expect the other Studs will have on him. Added Feb 2017 Updated Mar 2017 8 parts 17,252 words 18,591 views 4.9 stars (12 votes)
• Gaston: an intimidating specimen by Greg  Musc   Added May 2006 4 parts 17,189 words 31,094 views 4.2 stars (11 votes)
• Hyper active imagination by Ziel  CockUp HyCock MuscUp Musc Taller Giant SizeUp Fur Xmas ValDay  James’s attention wanders sometimes, usually in the direction of making the person he’s staring at not just hotter but impossibly muscled and unbelievably hyper-donged. It’s so vivid, it’s almost like it’s real... Added Oct 2013 Updated Mar 2018 4 parts 17,127 words 45,634 views 4.5 stars (22 votes)
• Domination by dunnyboy  CockUp Cock Herm MuscUp Musc Scent SizeUp Hairier Dom  Jay's already growing submission to Chris escalates dramatically as Chris reveals he's been taking injections that will turn him into the ultimate muscle fantasy. But Chris won't be the only one affected. Added Feb 2017 17,095 words 36,267 views 4.6 stars (29 votes)
• You and I: The greatest fuck in the world by Also Known As  CockUp Cock Mental MuscUp Musc Sugg Series  Has the world-altering protagonist, the self-proclaimed most perfect and most powerful man in the world, met his match? Added Apr 2019 Updated Jun 2019 3 parts 17,006 words 9,355 views 4.9 stars (10 votes)
• Cool bracelet, bro by BRK  AlwHard CockUp Cock HyCock Self XCock XHead XArms XLeg XLimb 3Legs XPec Stack MuscUp Musc Retcon Sugg Inc Bro t/t t/t/t  Shortly after acquiring a mysterious leather bracelet, Pete and his kid brother Quentin have a conversation that leads rapidly toward just how hung Pete is, and how horny that makes his brother. Added Feb 2014 Updated Mar 2018 5 parts 16,745 words 58,157 views 4.6 stars (45 votes)
• Lake Cascade by TheCandymanCan13  Cock Musc Bi Het  On an extended visit to a remote cabin, a bunch of guys learn something new about themselves. Added Apr 2018 16,556 words 6,456 views 4.0 stars (6 votes)
• Toil & trouble by BRK  XArms XLimb Rep Witch  After a series of threatening texts, P.I. Jordan Coffey wakes up different—and not alone. Added Oct 2016 Updated Nov 2018 3 parts 16,531 words 8,093 views 5.0 stars (20 votes)
• Night at the carnival by muscl4life  CockUp Cock HyCock MuscUp Musc Giant SizeUp Virgin Witch  Abused and pranked by bullies, a scrawny teen carnival worker finds himself in the Fun House with the magic mirrors only he cares about. Only it turns out the mirrors really are magic—and they have a few ideas about how to make Jimmy’s life better. Added May 2018 6 parts 16,501 words 13,146 views 4.3 stars (10 votes)
• Brad’s big change by FanTCMan  MuscUp Musc Handsomer   Added Dec 2002 5 parts 16,500 words 64,839 views 4.6 stars (24 votes)
• Damien by bulkscribe  MuscUp BellyUp Taller Giant PSD SizeUp Fatter  My roommate Damien is focussed on getting as big as he possibly can… and I find myself more than willing to help him out with that. Added Aug 2020 Updated Dec 2020 5 parts 16,482 words 18,996 views 5.0 stars (18 votes)
• The minotaur equation by LeatherGryphon  CockUp Cock MuscUp Musc 2Animal Infect Fur Series  After Dale rewrites his DNA to become a hugely muscled, hugely hung minotaur, he discovers he hadn’t thought through his transformation. Added Jul 2014 7 parts 16,439 words 25,962 views 4.7 stars (23 votes)
• Anthony by Chronologious  CockUp MuscUp Taller Giant PSD SizeUp Viol  Jack is having vivid dreams about his friend. Pure imagination or a sign of what’s to come? Added Mar 2021 Updated Apr 2021 6 parts 16,429 words 12,131 views 4.9 stars (14 votes)
• The power of bondage by Writ Bro  Cock MusBr MuscUp Musc Dom Hum Bond Slave  A curious sub encounters a strict BDSM master who sees a lot of potential in the young man’s currently ordinary appearance. Added Aug 2016 Updated Mar 2018 9 parts 16,340 words 27,009 views 4.6 stars (18 votes)
• Drug test by Also Known As  CockUp Cock MuscUp Musc SizeUp   Added May 2011 8 parts 16,269 words 45,103 views 4.8 stars (13 votes)
• The pills by LordTronimator  AlwHard CockUp Balls Cock HyCock HyCum  An 18-year-old college student, Thomas, orders some pills online that promise to help him with his small problem. When they don't work fast enough for him, he decides to down the whole bottle—and gets more than he bargained for. Added Apr 2020 Updated May 2020 12 parts 16,260 words 15,173 views 4.8 stars (17 votes)
• One and the same by EdIam  2Gay Nonc Mind  Six very different students are chosen by their professor to take part in an experiment. Added May 2021 7 parts 16,233 words 3,439 views
• Titan by Also Known As  MuscUp Musc Series  I had purchased time with Augments before but this was my first time with a Grower. Added Oct 2002 Updated Jan 2012 8 parts 16,182 words 19,099 views
• Freedom of speech by Corwin  CockUp Cock MuscUp Musc Virgin   Added Mar 2014 16,095 words 16,262 views 4.2 stars (10 votes)
• Prototype by FanTCMan  CockUp Cock MuscUp Musc Worship Grad Hairier  Rocky starts working out to distract attention from his embarrassing donkey dick, only to make himself a spectacle that way too. Once he hits college he catches the eye of student teacher Jake, who sees possibilities for Rocky... Added Jun 2005 12 parts 15,992 words 23,234 views 4.6 stars (8 votes)
• The dudes by BRK  AlwHard CockUp Balls Cock Self HyCum PublicOrg XAbs 2Gay MuscUp Musc Libido Handsomer PSD SizeUp TongueGr Retcon Sugg Bro HyPher t/t t/t/t t/t/t...  The guys at school are really susceptible to suggestion—so much so that if you tell them something’s true, it turns out that it actually is true. Added Mar 2010 Updated Mar 2016 7 parts 15,936 words 102,118 views 4.6 stars (34 votes)
• The source: a Henry Himura mystery by Proteus  CockUp Cock Dumber MuscUp Musc Grad PSD Hairier  Henry is hired to track down a missing young man named Samuel Roth. The trail leads him to a gym and a mysterious serum called Hard-T. Added Aug 2013 11 parts 15,896 words 18,873 views 5.0 stars (10 votes)
• My friend Lenny by Reuben  Cock Taller Giant PSD SizeUp  Lenny keeps getting taller, transforming his life over and over again as he grows and grows. Added May 2003 10 parts 15,876 words 17,844 views
• X-Dream Makeover by Cris Kane  Dumber Mental MuscUp Tf AgeUp Series  Rich from selling his tech stocks, David hopes to improve his love life with a makeover from a mysterious shop in Chinatown. Added Sep 2018 4 parts 15,543 words 7,914 views 5.0 stars (5 votes)
• Hey, buddy by Dream Big  CockUp Cock Self MuscUp Musc Grad Tf Giant PSD SizeUp  Ben’s high school crush, Charlie, resurfaces in his life after a mysterious incident at sea left him with a strange tattoo and a propensity for slow, inexplicable growth. Added Oct 2019 Updated Aug 2020 15 parts 15,491 words 16,895 views 4.9 stars (22 votes)
• Jallen by Richard Jasper  Cock MuscUp Musc Taller AgeDiff  Orphaned from birth, Jallen’s amazing growth has continually confounded and upset the long procession of foster parents he has endured. Until he meets Officer Brian Molloy of the Houston P.D. Added May 2020 10 parts 15,365 words 3,563 views 4.0 stars (5 votes)
• The Benefactor by Proteus  AlwHard CockUp Balls Cock Immob MuscUp Gut Musc Taller PSD SizeUp Nonc Supn  The Benefactor bestows favor on those he deems worthy, whether they like it or not. Added Jan 2020 Updated Apr 2021 14 parts 15,351 words 24,934 views 4.8 stars (17 votes)
• Morphogenic steroids by RdyRoger  CockUp Balls Cock Self MuscUp Musc Libido Grad Taller PSD SizeUp Hairier Infect  Rod’s dad is working on a new technology that makes small things bigger and big things huge, with incredible implications for food supplies and beyond—only it only lasts for five hours. Rod figures being bigger for five hours… that would be pretty awesome. Added Oct 2019 4 parts 15,297 words 15,742 views 4.4 stars (11 votes)
• Stuff in the cellar by Charles Westfall  CockUp Cock HyCum MuscUp Musc PointyEars SizeUp  Richard is already good-looking and abnormally hung when he discovers some alien equipment in the cellar of his new house—including a vat of goo that transforms him into someone even hotter and more hung. And there’s no way Richard’s keeping his new gifts to himself. Added Jul 2002 4 parts 15,260 words 17,842 views 5.0 stars (7 votes)
• Secret Santa by BRK  CockUp Cock XAbs XArms XLeg XLimb 3Legs Rep MuscUp Musc NoShirts Inc Bro Xmas Series  Joe’s crew at his new firehouse are destined to become very important to him, but the extent to which he’s more and more heart-thuddingly attracted to his handsome, well-muscled workmates worries him more than a little. Added Dec 2016 3 parts 15,182 words 12,460 views 5.0 stars (12 votes)
• Alpha Male by Josef Howard  MuscUp Musc Super  A gay man wakes one morning inside the body of the (formerly) straight star-spangled super-hero AlphaMale. Everything is terrific until AlphaMale’s studly sidekick finds out his body is inhabited by an imposter. Added Jul 2002 5 parts 15,096 words 35,033 views 5.0 stars (7 votes)
• Hic sunt dracones by Tym Greene  CockUp Cock MuscUp Musc Tf SizeUp 2Animal AgeDiff Scaly Dragon  A college student finds out that his former professor (and current boyfriend) has a bit of a secret. Turns out the student has a secret too, one that will likely spell change for the whole campus. Added Jan 2021 2 parts 15,054 words 3,534 views
• Four-legged Ivan by Josh Dugan  CockUp Cock XCock LegWh 4Legs Llegs XArms XLeg XLimb 6Legs Rep WFoot MuscUp Det SizeUp Mcock Cent Xmas Alcohol Series Series  Let’s just say that four-legged Ivan is… multitalented. And he likes to share his experiences with his best friend (and himself). Added Jul 2016 Updated Oct 2018 12 parts 15,004 words 23,494 views 4.7 stars (23 votes)
• Enlargement by Boston Guy  CockUp Balls Cock HyCock 2Gay MuscUp Musc HyAnus Libido Grad Tf SizeUp Nano Nonc Infect  A medical engineer develops nanotechnology that could cure the world of multiple diseases. But his true motivation is not so noble. Added May 2013 Updated Jun 2013 5 parts 14,943 words 44,045 views 4.5 stars (22 votes)
• Good Johnson by Cockatrice  Cock2Man Det  They say dicks often have a mind of their own, but Colton's dick takes this to a new level. Added Feb 2020 Updated Jun 2020 2 parts 14,875 words 3,437 views 4.6 stars (5 votes)
• Best birthday ever by TheSizeKing  CockUp Balls Cock HyCock Self HyCum Musc  Zac is already above average. But when his birthday comes around, he gets everything he wishes for and then some. Added Feb 2020 5 parts 14,872 words 18,709 views 5.0 stars (29 votes)
• His cock gets huge by Jack Hardwood  CockUp Balls Cock HyCock HyCum MuscUp Libido  Male model Pietro washes up on a remote island inhabited by a society of men where everyone wants their cock to be as big and fat as humanly possible. Pietro just wants to go home, but his almost constant boner is getting bigger and bigger, and he doesn’t know how much longer he’ll be able to walk. Added Dec 2017 Updated Apr 2018 8 parts 14,650 words 41,066 views 4.8 stars (48 votes)
• Daemos island by Charles Westfall  CockUp Cock MuscUp Musc Libido SizeUp AgeDiff Inc Dad Twins Viol  A Polish scientist and explorer, Ferdinand Rolcek, discovers a hidden island where the lost secrets of the Daemos, alien pioneers of masculine beauty and sexuality far beyond anything known to humanity, are finally revealed to him; and what he learns makes him never want to leave again. Don’t worry, he won’t be lonely. Added Feb 2003 6 parts 14,639 words 26,377 views 3.2 stars (20 votes)
• The formula by hyperboi  CockUp Cock HyCock Self MuscUp Musc AgeDiff Inc Bro Dad Twins  Mike begs his genius friend Jeff to try coming up with a cock growth formula. Jeff assumes Mike doesn’t want to look too small when he goes out for the swim team, but the secret truth is, Mike’s ambitions aren’t limited to his own junk. Added Jan 2021 Updated Feb 2021 4 parts 14,631 words 17,180 views 4.9 stars (29 votes)
• I need to borrow your cock by BRK  CockUp Cock Self XCock Det Retcon Sugg  Joey promised a really hot guy he could suck both his dicks. Only he just has the one, so he really needs to borrow his roommate’s. Don’t worry, he’ll return it. Added Jun 2012 Updated Feb 2020 4 parts 14,604 words 28,467 views 4.5 stars (22 votes)
• Puberty is a bitch by Lover Boy 2  CockUp Cock HyCock MuscUp Grad SizeUp   Added Sep 2009 11 parts 14,585 words 139,283 views 4.2 stars (26 votes)
• King size by BRK  AlwHard CockUp Cock Self Witch  King Rafe is subjected to a curse that will cause him, or rather a certain part of him, to become a monster, and his lover and mage-advisor Will is understandably conflicted about this turn of events. Added Aug 2006 Updated Feb 2020 6 parts 14,497 words 40,105 views 4.3 stars (12 votes)
• The suitcase by J Reynolds  2Straight Mental 2Gay Swap Images   Added Jul 2006 4 parts 14,491 words 19,720 views 4.6 stars (8 votes)
• Needham High Mavericks by BRK  CockUp XCock Rep MuscUp Musc Grad  Motivating the team has been taken up a notch. Added Aug 2005 Updated Oct 2018 4 parts 14,488 words 16,477 views 5.0 stars (12 votes)
• Transform: Commencement day by Also Known As  Cock MuscUp Musc SizeUp HyPher Series Series  The boys in the Muscle Club are finally ready to walk, and their graduation ends up just as rule-breaking and hypermasculine as everything else about them. Added Jan 2014 2 parts 14,442 words 8,852 views
• My roommate’s soft spot by brazboy  Cock XCock Mcock Inc Bro  Guilherme’s tall, handsome, and muscular roommate seems like the perfect guy, but he has a big secret that not everyone can really accept—not even himself. Added Jul 2021 5 parts 14,413 words 3,458 views 4.8 stars (6 votes)
• The salt: the gym bunny by RdyRoger  CockUp Balls Cock HyCum Mental MuscUp Musc Worship Libido Handsomer Voice PSD SizeUp Hairier Nonc Bond Series   Added Jun 2010 6 parts 14,393 words 9,756 views
• The perfect fit by TheSizeKing  CockUp Balls Cock HyCock HyCum MuscUp Musc Taller Pride  When someone can grow you to whatever size you want, make sure they know how big you want to be. Otherwise things can go a little overboard. Added Jun 2020 Updated Aug 2020 5 parts 14,385 words 17,524 views 4.7 stars (20 votes)
• Practice by Massim0  CockUp Balls Cock HyCock Self HyCum  Andrew is tired and covered in mud after cleaning up his team’s sodden footie pitch after a long, sodden practice. All he wants is to slough off the muck in the team’s dilapidated showers… and, all right, maybe sneak in a secret wank while he’s at it. While he’s in the changing rooms alone, though, he comes across a most unexpected piece of equipment. Added Apr 2018 Updated Jun 2018 6 parts 14,382 words 28,586 views 4.5 stars (40 votes)
• Manscapes by FanTCMan  MuscUp Musc Hairier   Added Jul 2002 7 parts 14,338 words 19,936 views 4.9 stars (7 votes)
• Rekindling the friendship by EdIam  2Gay Hum Nonc Hypno Mind  Mark and Jack used to be best friends. Perhaps there is some way Mark can rekindle that friendship? Added Apr 2021 14,309 words 1,860 views
• Changes in stages by Writ Bro  CockUp Cock MuscUp Musc Lycra  That box of clothes in the attic of your new rental house? Don’t pass them off to Goodwill just yet. Added Oct 2010 Updated Jun 2011 3 parts 14,283 words 45,659 views 3.7 stars (13 votes)
• Alpha by CharitysSongbird  CockUp Balls Cock HyCock Self MuscUp Musc Tf Taller SizeUp Dom Fur Were  Used to being smaller than his office mates, especially his crush Tavy, Ritzy is stunned when he suddenly starts getting bigger and furrier, even as the impulse to dominate seeps into his personality. Added Aug 2018 14,259 words 30,680 views 4.6 stars (10 votes)
• The djinn by hyperboi  CockUp Cock HyCock MuscUp Musc Inc Bro Twins Genie   Added Dec 2012 8 parts 14,201 words 32,873 views 4.8 stars (16 votes)
• Cock boy conversions by CockTFBoi  2Cock XCock 2Gay Tf Nonc  A gift of wish-power to a horny teen leads to some hot guys at school being turned into cock-creatures. Added Mar 2014 19 parts 14,199 words 39,397 views 3.8 stars (8 votes)
• The frat by waytoohungforyou  CockUp Cock  Jake’s always been focused on his own cock, and how he wouldn’t mind if it were bigger. His interest in cock size takes on new dimensions when he goes to college and meets his first roommate. Added Oct 2010 9 parts 14,154 words 15,585 views
• X-Dream Makeover: Billy Farrow’s night out by Cris Kane  CockUp Cock MuscUp Musc Tf Taller Race Hairier Series  A pop star is given a night of anonymity to explore San Francisco in a hunky new body, thanks to Mr. Lee’s magic. Added Oct 2018 3 parts 14,081 words 5,300 views
• Grow lamp by Dream Big  CockUp Cockfuck Cock HyCock Self MuscUp Musc Taller SizeUp Series  The old lamp and light bulb Jeremy found at a flea market turn out to have some unexpected side-effects—effects that Jeremy’s lifelong best friend Tom can’t fail to notice. Added Jun 2018 10 parts 14,030 words 27,776 views 4.7 stars (32 votes)
• Muscle mentor by Peterbilt  Cock 2Gay Musc  Brady nervously approaches the godlike Jake in the locker room, and ends up glad he did. Added May 2014 14,005 words 16,607 views 4.6 stars (7 votes)
• Andy finds Cockr gives and takes away by Clearlyhere  CockUp CockDn Cock MusBr MuscUp Musc App Dom Series  Andy has mixed feelings about his experience with the Cockr App. He discusses it with his friend Bill. Bill comes up with a plan that is mutually beneficial. Added Oct 2017 Updated Jun 2019 5 parts 14,003 words 27,090 views 4.5 stars (30 votes)
• To wish for cock by CockTFBoi  CockUp CockDn CTheft NoCock Cock 2Gay Tf Cage Dom Witch Pandem  A chance encounter while hiking starts a series of events that will change Calvin and the world around him forever. Added Dec 2020 Updated Feb 2021 5 parts 13,965 words 11,861 views 4.7 stars (7 votes)
• Glitch by BRK  AlwHard CockUp Cock XDig XAbs XCock XArms XLeg XLimb 3Legs XPec Rep Stack NoShirts HyTongue TongueGr Retcon Inc Twins M/M M/M/M  Undercover as a university student inside a thriving, all-gay digital community, Torin starts experiencing unexplained, universe-wide glitches that progressively and seamlessly change Torin and everyone around him. Added Dec 2020 Updated Mar 2021 4 parts 13,963 words 4,192 views 4.9 stars (7 votes)
• Drawn together by Johnny29  Cock MuscUp Musc  Mike and John were instantly compatible as friends, lovers, and workout buddies, especially since both yearned for superhero-like bodies. Good thing the mysterious offer to help them achieve their dreams came to both of them together. Added Sep 2012 7 parts 13,924 words 23,165 views 5.0 stars (27 votes)
• The Servonyx exclusion by BRK  CockUp XArms XLimb MuscUp SizeUp AgeDiff Nonc Andr  Uncovering some corporate skulduggery leads to dire consequences for Beck. Nearly killed in a suspicious crash, he soon finds himself halfway around the world trapped in a physically enhanced pleasure humaniform… in the keeping of a handsome Russian plutocrat. Pleasure is easy to unlock in this new existence, but escape and revenge will be a lot harder to manage. Added Jul 2018 Updated Nov 2018 3 parts 13,885 words 7,886 views 5.0 stars (9 votes)
• I think... by EdIam  Mental 2Gay Musc Hypno Mind  Larry wants to think for Zack. Added Apr 2021 13,878 words 2,732 views
• No reason boner by Egi  CockUp Self Grad  While slogging through high school, Quinn becomes inconvenienced by something that happens to every teenager. However, this problem is much more serious for him, and maybe isn’t actually a problem at all. Added Jun 2017 Updated Mar 2018 8 parts 13,863 words 21,493 views 4.9 stars (20 votes)
• Mimbo drops by Absman420  CockUp Cock Dumber 2Gay MuscUp Musc Tf Nonc Rape Mind  Tom receives a secret serum that turns men into horny, dumb, huge-cocked muscle hunks. He decides to try it out on his bicycling buddy Sam, and discovers it’s extremely effective—especially in multiple doses. Added Jul 2011 2 parts 13,794 words 43,546 views 4.7 stars (30 votes)
• The shepherd’s dragon by Tym Greene  Tf 2Animal Scaly Dragon Images  Illustrated tale of a shepherd who warns a dragon of an impending villager mob, and thereby finds himself borne to a new life. Added Apr 2021 2 parts 13,778 words 2,192 views
• My new favorite app, Cockr by Clearlyhere  CockDn NoCock Cock Musc AssUp Det App Dom Swap Series  John is out of money and finds out about new app where his huge endowment could make him some serious cash. Added Jun 2017 Updated Sep 2017 5 parts 13,713 words 29,813 views 4.7 stars (28 votes)
• The fake boyfriend by BRK  CockUp Cock XDig MuscUp Musc Grad Taller PSD SizeUp HyTongue  Zeke must travel back to his hometown, Woody Hole, in a last-ditch effort to prove he’s gay and end the eternal matchmaking with his high-school girlfriend, Stacy. A fake boyfriend is the only way—but Zeke’s closest relationship is with a customized character from an open-sandbox simulation game, a cocky personal trainer named Troy. Added Aug 2020 4 parts 13,706 words 4,991 views 4.7 stars (7 votes)
• Reece’s morph by Seth Peterson  MuscUp Musc BellyUp PSD SizeUp Hairier Fatter Vore Absorb  The power of absorption is a nightmare for Reece...until it produces some very big results. Added Mar 2016 Updated Dec 2020 3 parts 13,638 words 29,633 views 4.4 stars (9 votes)
• Shift by NBCK99  CockUp Cock HyCock XArms MuscUp Musc PSD  At first there were only a few of those abnormally tall, wildly muscular, huge-cocked, boner-inducing half-naked guys, encountered here and there on a train, in a mall, a demigod amidst the chaff. That was at first. Added Jul 2014 Updated Mar 2016 5 parts 13,636 words 36,048 views 4.7 stars (54 votes)
• Male scent by Frank Easky  CockUp Balls Cock HyCock HyCum HyMusc MuscUp Musc Scent Taller Giant SizeUp AgeDn Hairier Inc Bro Twins HyPher Infect  Apprentice magician Sean’s potion exceeds his expectations, causing his personal musk to spread muscle growth to those who smell it. Added Jul 2002 2 parts 13,564 words 47,828 views 4.0 stars (15 votes)
• Wolf and me by Darian Drake  Fur Were  When you meet a sexy, hairy guy named Wolf, consider that his name might not be an accident. Added Apr 2014 4 parts 13,548 words 14,730 views
• Best buds by Richard Jasper  Cock 2Gay MuscUp Musc Grad Hairier  John and James, one straight, one gay, are freshman roommates. They bond over bodybuilding… and succeed beyond their wildest imaginings. Added Feb 2020 9 parts 13,438 words 8,316 views
• Tuesday by BRK  XDig XAbs XCock XArms XLimb XPec Rep Str Inc Twins Swap  My best bud Kev and I have a secret. Okay, it’s a really badly kept secret—I grow extras. But when Kev starts to change too, we soon find out there are lots of secrets at my school. Added May 2003 Updated May 2021 7 parts 13,431 words 25,580 views 5.0 stars (9 votes)
• Birthday surprise by The National Endowment Committee and UnknownGentrifier  Cock NipC NipCum MuscUp Musc  Steve’s handsome boyfriend Pete brings home a special birthday gift that happens to involve a bit of growth, and a few other things as well. Added Nov 2013 4 parts 13,423 words 27,690 views 4.6 stars (15 votes)
• The jock bully by JayPat  Cock MuscUp Musc Taller PSD SizeUp Viol Dom Series  The once small and skinny Josh is now huge—nearly seven feet of muscle and power. But the guy he’s crushing on isn’t out, so Josh tries intimidation to get Rob to confront what he wants. Meanwhile, Josh’s brother also wants to get huge, and there’s a guy on his mind, too. Added Jun 2019 Updated Jul 2019 2 parts 13,397 words 10,776 views 4.6 stars (13 votes)
• Jonathan’s journey by Richard Jasper  CockUp Cock MuscUp Musc Grad Taller SizeUp  Join Jonathan and his best friend Todd on their four-year journey from geeky 14-year-olds to veritable mountains of mind-blowing muscle! Added May 2020 13 parts 13,301 words 3,853 views
• Not your normal New Year’s night by alwaysmyway  MuscUp Musc Vamp New Years  After they get invited to a New Years’s Eve costume party, Craig and Tanner check out a shop that offers some very effective costumes. Added Aug 2012 13,293 words 16,194 views
• Oh man by BRK  CockUp Cock Self XCock XArms XLimb Rep MuscUp Musc App Retcon  A simple website called your-body-like-that dot com lets you imagine how you’d look with a whole new body. Only it doesn’t stop at imagination. Added Jul 2010 Updated Nov 2017 5 parts 13,270 words 71,171 views 4.6 stars (22 votes)
• Magnetic magic by Squidy  CockUp Cock MuscUp Musc  Josh discovers his new roommate, Jack, has a powerful effect on him—especially his cock. Added Dec 2014 Updated Sep 2016 6 parts 13,223 words 43,477 views 4.5 stars (59 votes)
• Body game by BRK  CockUp Cock XDig XAbs XCock XLimb Rep MuscUp Musc SizeUp Mcock Series M/M  In an experimental story based on changes generated randomly by a computer program, the already well built Marcus is invited to a warehouse where he and four others play a strange game that, turn by turn, makes their bodies randomly freakier and freakier. Added Aug 2014 13,161 words 28,652 views 4.6 stars (27 votes)
• Ten ways to get big and strong by BRK  CockUp Cock MuscUp Musc SizeUp Inc Bro  Cam and his band-geek buddies have a good laugh at a silly new poster in the gym listing ten ways to get big and strong, but when they sneak in after school and start writing in their own suggestions, things start to get a little weird. Added Jun 2016 Updated Sep 2016 4 parts 13,105 words 21,994 views 4.7 stars (18 votes)
• Leo on a dark night by StudMscl  CockUp 2Gay MuscUp Musc   Added Oct 2003 2 parts 13,060 words 10,953 views
• Boytaurs from Outer Space! by BRK  Cock XCock Btaur 4Legs XArms XLeg XLimb MuscUp Musc Inc Twins Alien Space M/M M/M/M M/M/M/...  Sev, the commander of a Taurian survey mission, judges Earth suitable for cultivating an aggressive alien grain, but the danger to Earth’s ecosystem drives the idealistic Elek to rebel and flee with some valuable equipment. When a conflicted Kiyy chases him, they both encounter the strange inhabitants and discover that humans and Taurians find each other mutually captivating. Added Jun 2015 Updated Oct 2016 6 parts 13,050 words 13,233 views 4.4 stars (16 votes)
• Sharing cocks by CockTFBoi  CockUp CockDn NoCock Det Merg  Cameron, Dakota, and Zack head out for a sex-filled weekend at a remote cabin. Once there, things take a bit of a turn for the weird as the trio experience some unexpected transformations. Added Aug 2020 Updated Oct 2020 5 parts 12,968 words 5,525 views 4.8 stars (6 votes)
• Picture perfect by Cris Kane  CockUp CockDn Cock MuscUp Musc BellyUp Tf  An eccentric painter’s portraits have an unusual impact on those who pose for them. Added Jun 2019 Updated Jul 2019 3 parts 12,966 words 11,089 views
• The boost by Cris Kane  Dumber 2Gay MuscUp Musc  The mysterious boost in a health club’s smoothies causes fast and dramatic changes. Added Jul 2015 2 parts 12,889 words 20,109 views 4.9 stars (8 votes)
• Brother-in-law by Jock  Cock Musc  Ace, a Marine, meets and becomes enamored of his sister’s fiancé, Josh. A rare (for Metabods) tale with no alterations. Added May 2006 12,744 words 132,909 views 4.7 stars (93 votes)
• Coming of age by Also Known As  CockUp Balls Cock Self HyCum MuscUp Musc Taller SizeUp HairDecr Inc  Jerry’s teenaged nephew comes to visit him in San Francisco, and turns out to be very huge, very beautiful and very uninhibited. Added Feb 2019 4 parts 12,660 words 17,028 views 5.0 stars (12 votes)
• They came from outer space by WordShop  CockUp Balls Cock MuscUp Musc Hairier Plants Inc Bro  Playing with meteors can have strange side effects. Two young brothers living near a military base find themselves changing from exposure to meteorite dust. Added Oct 2017 Updated Nov 2017 4 parts 12,642 words 18,923 views 4.9 stars (20 votes)
• Werewolf High by BRK  AlwHard CockUp Cock HyCock XDig XCock XArms XLimb Rep MuscUp Musc SizeUp Inc Twins Were  The star of a teen werewolf show has a nagging sense that something weird is happening to the show’s extremely muscular, hung, and horny cast and crew, but he can’t quite put his finger on what it is. Added Jul 2014 Updated Dec 2015 3 parts 12,574 words 30,458 views 4.5 stars (28 votes)
• Stupid cupid by baboonfan  CockUp Cock Wings Mental 2Gay MuscUp Musc Scent BellyUp Tf SizeUp Hairier Nonc Bond Vamp Were Fant  A flat tire causes Jerry to miss a job interview. Fortunately Eros, the love god, is hiring, as he eventually discovers when he knocks on a strange door for help. Added Sep 2009 8 parts 12,571 words 20,216 views 4.0 stars (5 votes)
• The new associate by Tym Greene  CockUp Cock HyCock MuscUp Musc Nude SizeUp TongueGr Dad Fur M/M M/M/M  Zhu is looking forward to his first day a new architectural firm, sure the way he grows—and makes other people grow just from being around him—will make things very interesting. Added May 2015 Updated Dec 2020 3 parts 12,564 words 35,072 views
• Support line by BRK  AlwHard CockUp Cock HyCock Self XCock XArms XLimb XTorso Rep Det App Infect Dialog  Customers interacting with the reps at the Metabods Support Line tend not to get the service they’re expecting—though it is always above and beyond. Added Feb 2012 Updated Mar 2021 4 parts 12,557 words 26,088 views 4.8 stars (13 votes)
• Hall of mirrors by John  CockUp Cock HyCock MuscUp Musc  Funhouse mirrors in a run-down carnival unexpectedly rebuild Bob’s body into a 500-pound, densely packed muscle fantasy. This seems like a godsend for his now-routine fifteen-year relationship—if only he can lure Dan into the Hall of Mirrors too. Added Jun 2017 2 parts 12,475 words 10,240 views 4.8 stars (6 votes)
• Freshman dorm by OMGhi2U  CockUp Cock MuscUp Musc  Alex’s roommate seems hot enough to start with. And then his pecs start getting bigger. Added Sep 2010 4 parts 12,435 words 26,778 views
• What a dear deer boy by Thatbadwriter  CockUp Balls Cock HyCock HyCum AssUp Giant PSD SizeUp 2Animal Virgin Inc Bro HyPher Fur  Eric’s undersized brother Jayden finally hits his growth spurt—then keeps hitting it. Added Feb 2021 Updated Mar 2021 5 parts 12,430 words 12,421 views 5.0 stars (11 votes)
• Alpha Luke goes camping by Eric Aaldersen  Cock Musc Virgin Supn Series  Budding Alpha Luke takes his twink buddies into the woods for a weekend of exploration. Added Jan 2020 12,421 words 5,842 views 5.0 stars (14 votes)
• Creating awareness by EdIam  Cock Nonc Hypno Mind  Ben knows he is lucky to have found his soulmate, Steve. But Chris was always so obsessed with him… Added Feb 2021 12,364 words 1,748 views
• Come to me by Richard Jasper  MuscUp Grad  Eric is a hot, young skimpy stud—what nowadays we’d call a twunk. Then he starts hearing a voice in his head. Eat big, lift big, get big! He follows the voice’s advice—with results more spectacular than he could have imagined! Added Apr 2020 10 parts 12,348 words 6,024 views 5.0 stars (6 votes)
• Clothes make the man by Frank Easky  MuscUp Musc Taller   Added Jul 2002 12,291 words 21,546 views 4.5 stars (6 votes)
• I think, therefore I am by LeatherGryphon  Cock MuscUp Musc TongueGr Series  Lance’s telepathic DNA-rewriting equipment opens up incredible new possibilities, but he and Dale need to test it patiently. Only, who could be that patient? Added Jul 2014 6 parts 12,242 words 15,468 views 4.7 stars (15 votes)
• Enhancement program by BRK  AlwHard CockUp Cock HyCock XAbs XHead XLimb XPec Mcock M/M M/M/M M/M/M/...  The university’s program of offering body enhancement rewards for various kinds of scholastic and athletic achievements is very generous, and students like to have fun with the results. Added Jan 2014 Updated Jun 2018 4 parts 12,215 words 41,862 views 4.6 stars (16 votes)
• X-Dream Makeover: Double birthday by Cris Kane  MuscUp MuscDn Musc AgeUp AgeDn Series  A gay couple in San Francisco for their shared birthday cope with the effects of Mr. Lee's magic. Added Oct 2018 3 parts 12,214 words 6,457 views
• Arthur, the young titan by TonnyGiant  Musc Giant SizeUp Viol Dom  This is the story of how I met Arthur, and how he became a giant, and how he dominated everything and everyone ... and how he won my heart in respect and worship. And today I can say, we love each other. Added Dec 2016 Updated Feb 2017 6 parts 12,165 words 23,871 views 4.4 stars (36 votes)
• The Paragon Porn quarantine by Absman420  CockUp Cock Self MuscUp Musc AI Pandem  After being offered an exclusive contract to film in the Paragon Porn post-pandemic “bubble,” Domenic uses the 2-week quarantine to work through the online training manual. Added Dec 2020 12,086 words 2,737 views
• Lumberjacked by Krisiar  CockUp Cock HyCock Prehen Self NipCum XAbs Addict MuscUp Musc Handsomer Hairier  Trapped by a snowstorm at an underheated family cabin in northern Manitoba, Henry and Will stumble across a hidden sauna in the woods while out looking for wood. It turns out someone out there wants to help out guys like Henry and Will who could do with a little size improvement. Added Aug 2011 Updated Oct 2011 4 parts 12,081 words 83,608 views 4.6 stars (25 votes)
• The magician by The Gecko Rose  CockUp HyCock XCock Str Det Hypno  Rich doesn’t believe in magic, until a little-known Vegas stage magician with some remarkable purple paste shows him and his two eager friends (not to mention an audience of very interested guys) exactly what magic can make possible. Added Jul 2015 Updated Apr 2018 8 parts 11,972 words 21,158 views 4.9 stars (13 votes)
• You and I by BRK and Jockmorphr  AlwHard CockUp Cock NipC NipCum XAbs XCock XHead XArms XLimb XPec XTorso Rep Stack MuscUp Musc Handsomer TongueGr Mcock Infect Merg  When two lovers with the power to transform each other reunite after a separation, the results can be explosive. Added Oct 2011 Updated Feb 2019 4 parts 11,942 words 36,650 views 4.8 stars (11 votes)
• Alpha House by NBCK99  CockUp Cock MuscUp Musc HyPher  A collection of young guys take part in a reality series where the action includes everyone spinning a wheel and getting random body changes. Added Mar 2015 Updated May 2015 3 parts 11,941 words 50,499 views 4.7 stars (80 votes)
• Vice (Sometimes drugs offer more than a high) by Tereshky  CockUp Balls HyCock Self CumInf CumMilking HyCum Addict Immob MuscUp Musc BellyUp SizeUp Virgin Nonc  Jack was a drug kingpin of sorts. Like any potent drug, people craved it, they came to him, offered him their life’s treasures and he gave them their fix. In a world where usually only the strongest survive and only the smartest staid on top, he was doing quite well for himself and living an easy life. There were no rival drug lords because what he had to offer nobody else could give. His drug came from within. Added Jun 2018 Updated Nov 2019 5 parts 11,930 words 34,214 views 4.6 stars (29 votes)
• Transform: Bully boy by Also Known As  Cock XCock MuscUp Musc SizeUp Infect Series Series  Sometimes a homophobic bully picks on the wrong guy. Added Jan 2014 11,872 words 10,875 views
• Landfall by BRK  CockUp Cock XDig XCock XArms XLimb MuscUp Musc Tf Taller Xmas  When the mighty starship Q.S.S. Knox is destroyed falling through a suddenly created wormhole, its portable A.I. finds himself marooned on an alien world with the one man he can't stop thinking about. Added Dec 2019 3 parts 11,815 words 3,980 views
• Jake: hand-drawn giant by spacevlad  Cock Gut Musc SizeUp Infect  Drawing massive, muscle-hunk football stars seems like a safe enough hobby—but what if your drawing takes on a life of its own? Added Sep 2009 7 parts 11,792 words 27,488 views 4.7 stars (7 votes)
• The bear’s cub by CurlyJin  Cock HyCock Musc PSD Virgin  A giant man calling himself Bear takes in a young man just entering a nearby college. Added Jul 2016 Updated Aug 2016 3 parts 11,777 words 19,301 views 3.9 stars (9 votes)
• The pinball machine by Thorn  CockUp Cock MuscUp  Tyler works at an arcade with a secret pinball machine that unveils itself for customers when it wants to be played with. Added Jan 2021 Updated Feb 2021 2 parts 11,764 words 6,322 views 4.9 stars (17 votes)
• Derek’s rebirth by muscl4life  CockUp Balls Cock HyCock Self HyCum NipCum 2Gay MuscUp Musc Giant PSD SizeUp AgeDiff  An elixir from the dawn of time is turning Derek into the ultimate muscle daddy, which he demonstrates by wearing out three young admirers. Taking on a personal trainer as his acolyte, Derek prepares himself for an even more impressive Phase Two of his transformation. Added Nov 2018 3 parts 11,737 words 23,824 views 4.6 stars (14 votes)
• What a little confidence can do by TheSizeKing  CockUp CockDn CTheft Balls Cock MuscUp MuscDn Taller SizeUp Dom  Cory and Ian have been friends for years. They ended up going to separate colleges, and met up four years later. Both guys had gone through a lot of changes, but Cory had an extra surprise in store… Added Feb 2020 4 parts 11,715 words 13,793 views 5.0 stars (18 votes)
• The lost temple of Shar’hradar by Charvolth  Cock MuscUp Musc PointyEars SizeUp Inc Twins Witch Fant  I recently discovered that there was more to this D&D-inspired, enhanced-player fantasy adventure than I originally posted back when it was first submitted for the 2005 story contest. Here, very belatedly, is the rest of it. Added Jun 2005 Updated Aug 2016 4 parts 11,568 words 10,295 views
• Sugar packets by RdyRoger  CockUp Cock MuscUp Musc   Added Jul 2002 4 parts 11,543 words 21,044 views 5.0 stars (5 votes)
• Mohawk nation by Also Known As  CockUp Cock MuscUp Musc  It started with a calendar: twelve men who were stunning in a dozen different ways, bearing the same symbol—the sign of a growing nation of men raised to unparalleled beauty and fathomless sexual ability and appetite. Added Jan 2014 2 parts 11,514 words 10,081 views
• Burst by BRK  CockUp Cock XCock Rep Mental HyStr MuscUp Musc NoShirts Str Handsomer Tf Taller SizeUp Alien Xmas  In a sealed-off underground bunker, exposure to a tear in the fabric of space-time created by an illegal energy experiment is producing some interesting changes in the men trapped inside. And on top of everything else, it’s Christmas, and there’s no way they’ll ever see home again… Added Dec 2020 3 parts 11,494 words 5,754 views 4.7 stars (10 votes)
• Tony the muscleboy by muscle16  CockUp Cock Self MuscUp Musc   Added Aug 2005 6 parts 11,492 words 29,226 views 4.3 stars (10 votes)
• Dana gets wired by FanTCMan  MuscUp Musc Voice   Added Jul 2002 3 parts 11,472 words 18,814 views 4.1 stars (7 votes)
• Unstoppable by Richard Jasper  Cock HyStr MuscUp Musc  When Roger Fentress showed up at Body Zone, he was 38, 5’11, and 160 pounds. Not much of a jock, is physique was naturally well-proportioned but otherwise nondescript. He had never touched weights before. But when he did, he was…unstoppable! Added Nov 2020 10 parts 11,387 words 3,249 views
• Made for each other by Richard Jasper  CockUp Cock 2Gay MuscUp Musc Xmas Hallow Tksg  Blake and Chad, two recent college graduates, meet at Muscles in Motion, the only gym in their small town in the Catskills. Thrown together as workout partners by the sex-on-a-stick straight boy personal trainer who doesn’t have any interest in clients beyond their bust size, Blake and Chad soon they really are Made for Each Other! Added Jun 2020 9 parts 11,359 words 3,217 views
• New neighbors by BRK  Cock XCock AgeDiff Inc Dad  Jimmy is starting to enjoy his first summer with his newly acquired wishpower when a very sexy couple moves in next door. The only trouble is, Jimmy doesn’t immediately recognize the true nature of their relationship, and by the time he does, it’s already too late. Added Jan 2016 Updated Nov 2019 2 parts 11,319 words 16,609 views 4.4 stars (9 votes)
• The flame on twelve wheels by TFWizard  XLimb   Added Mar 2005 7 parts 11,305 words 5,645 views
• Dr. Engorgio by TheSizeKing  CockUp Balls Cock Self HyCum MuscUp Musc  A doctor known for growing his patients lets his fantasies run wild with a new client, Nick. Added Aug 2019 Updated Sep 2019 6 parts 11,239 words 17,368 views 4.7 stars (29 votes)
• Lucas gets everything he wanted, and more by Joven  CockUp Balls Cock  Lucas steals some of his researcher friend’s enhancement drug, and is elated when David decides to let him keep taking it once he turns 18. Added Jan 2019 8 parts 11,232 words 11,291 views 4.6 stars (11 votes)
• Random acts of muscle by Mad Dog  CockUp Balls Cock Mental 2Gay MuscUp Musc BellyUp SizeUp AgeUp Race Hairier Retcon Nonc Xmas  Three stories involving Steve, a muscle-loving guy who can alter reality. Added Aug 2009 Updated Dec 2010 3 parts 11,204 words 29,979 views
• Synthetic reality: Tourist trap by brazboy  Balls Cock HyCock CumMilking HyStr MusBr Worship Nude PSD Series M/M  Hans is fascinated by sizedivergent men, but unfortunately there aren’t many of them back where he lives—and so, he decides to spend his vacations in São Paulo, the Mecca of sizedivergent culture. After crossing the equator he sees many great wonders, and experiences some of them himself. Added Sep 2021 3 parts 11,200 words 2,272 views
• Crisis in Carraido by BRK  Cock XLimb Rep Det M/M M/M/M  When a strange institution comes to town in a remote valley community in the Rockies, the locals are put off by the newcomers’ aloofness. But when things go wrong in the strangers’ compound, rancher Kevin and his sheriff’s deputy best buddy Pauly find out just how weird things are up there. Added Apr 2016 Updated Dec 2016 4 parts 11,190 words 6,733 views 4.7 stars (15 votes)
• The smell of lust by Seth Peterson  Cock 2Gay MuscUp Libido Tf SizeUp Hairier Nonc HyPher Fur Scaly Dragon M/M  I did a thing!! Okay, I accidentally bathed myself in extremely potent, gay-causing, transformative pheromone juice. But it’s all good, right?? Added Jun 2016 11,127 words 20,100 views 4.2 stars (13 votes)
• Bending the straight boys by iciss  CockUp Cock PublicOrg 2Gay MuscUp Musc Handsomer Virgin Inc Bro Twins Nonc Infect  At first all those hot straight guys seemed like real jerks. And then they started getting hunkier, and hornier, and a lot more aware of each other. Added Jan 2008 2 parts 11,063 words 55,627 views 4.7 stars (36 votes)
• Hulk hunter by JayPat  CockUp Cock HyCock XAbs MuscUp Musc Tf Giant SizeUp Viol Nonc Infect Series  Hunter has dedicated his life to tracking and neutralizing the hundreds of huge-growing hulks that have been terrorizing small towns for twenty years now, and he’s damn good at what he does. But when he gets to his latest sighting, he finds things aren’t going the way they usually do. Added Sep 2018 2 parts 11,052 words 13,833 views 4.5 stars (13 votes)
• Hold your tongue by Squeeshka and UnknownGentrifier  CockUp Cock NipC HyCum NipCum XCock Mcock   Added Jun 2012 7 parts 11,048 words 19,604 views 5.0 stars (6 votes)
• 1313 Raven Lane (revised) by WordShop  CockUp Cock MuscUp Musc SizeUp Hairier Nonc Ghost Hallow  Two young guys find themselves in trouble on Halloween night after a party. They hide in an old house with the reputation of being haunted. We don't believe in haunted houses, now do we? Added Sep 2017 4 parts 11,045 words 23,071 views 4.4 stars (7 votes)
• X-Dream Makeover: Where’d he go? by Cris Kane  Mental 2Gay MuscUp Musc Tf Taller Nonc Series  A billionaire ropes a lowly accountant into going on a mysterious mission to Mr. Lee’s notorious shop. Added Nov 2018 2 parts 11,040 words 5,107 views
• The rivalry by JayPat  MuscUp Musc Taller SizeUp  For Marty, one of the consolations of being short and scrawny was that his best friend, Stan, was in the same boat. And then, suddenly, Stan wasn’t pint-sized like Marty anymore… not even close. Added Oct 2018 2 parts 11,037 words 10,187 views 3.8 stars (14 votes)
• The undisclosed experiment by LAComplex  CockUp Cock HyCock MuscUp Musc Taller Giant SizeUp Dom  General Pinckney discovers that a mysterious “Program Dundee” has been running under his responsibility for years and has recently made an alarming breakthrough. Added Feb 2019 4 parts 11,017 words 8,662 views
• My high school god by Peterbilt  Musc  Real life story about the author and another student when we were in high school. Added Feb 2017 2 parts 11,014 words 8,821 views 5.0 stars (5 votes)
• Full potential by muscl4life and Redkage  CockUp Balls Cock MuscUp Musc SizeUp  Coach Tanner hears about a young man named Corey who can lift more than is humanly possible. Fascinated, he tracks Corey down—only to discover he’s the last person he would have guessed. Added Mar 2016 2 parts 10,951 words 14,880 views 4.6 stars (11 votes)
• Hugecock diary by Anonymous  CockUp Cock Self HyCum Virgin   Added Dec 2003 13 parts 10,948 words 26,031 views 4.9 stars (7 votes)
• Aaron’s adventures by phallicphan  Cock XCock  When you possess two huge dicks, how can you avoid using them? Told through a number of mostly standalone tales. Added Jan 2018 4 parts 10,929 words 12,230 views 4.3 stars (7 votes)
• Not just imagination by DarkDjin  CockUp Cock MuscUp Musc Sugg AgeDiff Inc Dad  Jampson’s overactive imagination starts to grow his cop dad and his friends...and somehow not only does it become real, but the men are pretty into it. Added Jun 2014 Updated Jul 2014 2 parts 10,894 words 33,902 views 4.6 stars (34 votes)
• Growing relationship by Alakazam1988  CockUp Balls Cock HyCock MuscUp Musc Grad  Shortly after finding the love of his life, Connor has these strange shivers now and then. First, he tries to deny everything, but the truth can’t hide for long. Connor’s cock grows with each shiver. Year after year after year. Added Nov 2018 4 parts 10,893 words 13,833 views 5.0 stars (12 votes)
• Focus: A football story by kg21  CockUp Gut Musc Infl Dom  The team’s star quarterback is about to find out Coach’s big secret for keeping the team focused on football. Added Aug 2020 2 parts 10,849 words 3,887 views
• Extremes by BRK  AlwHard HyCum NipCum XDig XAbs XCock XHead Llegs XArms XLeg XLimb XPec Stack Det M/M  Imagining yourself as being hotter, more hung, and possessed of extras sometimes is just a phase, but other times it can spiral to extremes. Added Feb 2012 Updated Oct 2018 2 parts 10,844 words 22,397 views 4.8 stars (14 votes)
• Being accompanied by a wolf by BeCreative  CockUp Balls Cock Self HyCum MuscUp Musc Worship PSD SizeUp Fur Were  Jared’s work as a lumberjack is usually solitary, but one day he meets a very special companion. Added Jun 2021 4 parts 10,842 words 5,525 views 4.5 stars (6 votes)
• The madagascar charm by Reuben  CockUp Cock MuscUp Musc SizeDn   Added Dec 2002 5 parts 10,797 words 18,300 views 4.8 stars (9 votes)
• Quinquetra by BRK  CockUp Cock MuscUp Grad Taller Retcon Supn  Exploring his workaholic husband’s ancestral house on his own, Wes encounters a strange symbol and a dreamlike man who seems closely connected to it. Added Oct 2020 2 parts 10,789 words 3,919 views 5.0 stars (7 votes)
• The touch by TylerGermany  CockUp Cock MuscUp Musc Nano  Nick is dosed with nanobots that allow him to grow and shrink others with just a touch. Added Mar 2014 Updated Apr 2014 2 parts 10,780 words 20,891 views
• You and I: The hotel room by Also Known As  CockUp Cock MuscUp Musc SizeUp Sugg Series  In this tale of dual perspectives, when you seek out a man with godlike powers and a yearning to transform others (having already made himself the strongest and most beautiful man alive), you should expect your own agenda to be quickly forgotten. The only question is: will you become your fantasies—or his? Added Jul 2016 2 parts 10,766 words 13,011 views 4.7 stars (15 votes)
• Threefer by BRK  AlwHard CockUp Cock NipC HyCum NipCum  His lover doesn’t seem to mind, but Quinn decides to try out some pills that are supposed to grow his dick anyway while Diego’s away. The fact that they work is less surprising than the two unexpected side-effects that soon develop. Added Apr 2019 Updated Jan 2021 4 parts 10,753 words 13,139 views 4.6 stars (31 votes)
• Unexpected growth spurt by rusalko  CockUp Cock MuscUp Musc PSD SizeUp  Moving in with the cute guy you've been aching to push your big dick into is exciting and boner-making enough... but then I experienced a very unexpected growth spurt that put us both into sex heaven. Added Dec 2012 Updated Feb 2017 6 parts 10,737 words 50,345 views 5.0 stars (9 votes)
• Changr pill party by matt1008  CockUp Cock HyCock MuscUp Musc SizeDn SizeUp Infl App  Campus alpha-male Nick plans an unusual party for his buddies, having got hold of a round of Changr pills that produce temporary, unknown, and not always desirable transformations. Added Jul 2015 6 parts 10,718 words 34,319 views 4.4 stars (23 votes)
• Ladder of the heavens by Ziel  CockUp Cock HyCock MuscUp Musc PointyEars SizeDn  "Someone suggested that I do a story with piercings and jewelry that caused growth in the owner. I made use of some other suggestions as well so this story features a wide array of kinks including muscle/dick growth and even a touch of shrinkage, and there’s even a cute little *spoiler* with a *spoiler**spoiler*" Added May 2015 10,685 words 15,244 views
• Eric and Scott by TheFitz  Musc Virgin Supn  A slow-burn romance with a bit of fantasy involving a nerd and a jock whose secrets aren't enough to keep them apart. Added Oct 2020 8 parts 10,655 words 2,111 views 4.4 stars (8 votes)
• Weho adventure by FanTCMan  CockUp Cock MuscUp Musc Libido Handsomer Taller SizeUp Hairier  The only thing hotter than seeing the amazing bodybuilder Steve Reilly was the possibility of catching his eye. Added Feb 2003 10,627 words 12,459 views 4.9 stars (8 votes)
• The flame of the rose by WIP Topping  CockDn Tf Series  Brody makes transphobic comments about the new quarterback and is cursed to become a little more...flamboyant. Added Sep 2016 10,617 words 9,068 views 3.8 stars (5 votes)
• Altered by Dream Big  CockUp Cock MuscUp Musc Taller SizeUp 2Animal Hairier Nonc Bond HyPher  Chris wakes up in a strange laboratory, only to learn he’s one of a number of subjects in a mysterious program that involves alterations to the male human body. At least the guy they have looking after him seems sympathetic… and very, very sexy. Added Jan 2020 Updated Dec 2020 6 parts 10,616 words 18,354 views 4.7 stars (12 votes)
• The revisualizer by BRK  AlwHard CockUp Cock HyCock NipC Self NipCum MuscUp Musc SizeUp Hairier Nonc  A set of weird controls at the tiny cable TV broadcasting studio has a lot of increasingly exciting effects on the guy in the picture. Added Oct 2012 Updated Dec 2017 3 parts 10,528 words 34,287 views 4.9 stars (33 votes)
• Li’l Dude by Richard Jasper  CockUp Cock MuscUp Musc Grad Taller SizeUp  Robert is a geeky college freshman, totally smitten with his “senior buddy,” a big, built, blond, hunky California surfer dude named Chris, who dubs him “Li’l Dude.” Ridiculous muscle growth ensues (as usual!). Added May 2020 10 parts 10,503 words 3,486 views
• Caleb finally grows up by Joven  CockUp Balls Cock Self  Caleb, an embarrassingly under-endowed 19-year-old, ends up getting some help from a doctor. The treatment is a little too effective, much to Caleb’s delight. Added Sep 2019 8 parts 10,467 words 13,802 views 4.6 stars (17 votes)
• InfiniPUMP by Never-the-less  NipC NipCum XCock Mcock   Added Jul 2012 12 parts 10,463 words 24,997 views
• The new simulation game by hyperboi  CockUp Cockfuck Cock HyCock 2Gay MuscUp Musc Inc Bro  On a weekend home from college, while he’s waiting for his brother to come home (and avoiding his hateful dad and sneering stepmom), muscle nerd Simon screws around with a new sim game he’d lucked into beta-testing—a game that turns out to be a lot more realistic than he’d expected. Added Mar 2016 5 parts 10,449 words 20,833 views 4.7 stars (16 votes)
• Shockwaves by BRK  SizeUp  A series of seismic growth spurts create a serious mystery. Added Aug 2003 4 parts 10,445 words 11,986 views
• Secret origins of the BUFF models by Absman420  Cock MuscUp Musc Virgin Hypno  A too-alluring enhanced model from a secretive agency spills the beans to a reporter, though being literally irresistible means the interview won’t last long. Added Sep 2015 10,432 words 14,752 views
• Body game: Encounter 56 by matt1008  CockUp Balls Cock NipC XCock MuscUp Musc Voice SizeUp Mcock Series  In a prequel to BRK’s Body game, another set of six hot guys experience the dramatic and unexpected changes the Body Game can produce. Added Feb 2016 10,420 words 16,426 views 4.7 stars (10 votes)
• Growth by association by Richard Jasper  CockUp Cock 2Gay MuscUp Musc Taller Supn  When Roger Clark—improbably huge, impossibly built—shows up at Fitness World wanting to hire half a dozen personal trainers (all male) for 12 weeks, the guys don’t know what to think. But they all say YES when he quotes a price that’s about 10 times their going rate! Growth, growth, and more growth ensues, in the muscle department and down below. Plus these totally straight jocks wind up being not so straight after all! Added May 2020 8 parts 10,404 words 3,853 views 3.0 stars (5 votes)
• Twinning by BRK  AlwHard CockUp Balls Cock Self XDig XCock Rep MuscUp Taller TongueGr Virgin Series  Barry is excited to meet Will’s twin brother. Then he realizes that they can’t just be twins. Added Oct 2002 3 parts 10,404 words 10,912 views 4.5 stars (13 votes)
• Let’s make a bet by Seth Peterson  Fem MusBr MuscUp Gut Musc BellyUp Grad Taller PSD Dom  My boyfriend has always had some exceptional monster pecs! And over the years, they just got bigger and bigger… and so did he! My man cannot stop growing, and I love every inch of his expanding, heaving frame! Come check out the perfect swelling journey that is my big alpha boyfriend! Added May 2019 3 parts 10,394 words 13,104 views 4.2 stars (9 votes)
• Unicorn Frappuccino: Refill by Tym Greene  Tf 2Animal Dad Nonc Fur Witch Series  This sequel to “Unicorn Frappuccino” sees the purple-tracksuit-wearing wizard at his new job, making a delivery to a Starbucks that, four years later, still offers Unicorn Frappuccinos to their customers. And of course unicorn magic comes into play to make things a little more…flavorful. Added Jul 2021 2 parts 10,383 words 798 views
• The awakening by muscl4life  CockUp Cock MuscUp Musc Fant   Added Nov 2013 Updated Dec 2013 2 parts 10,343 words 16,173 views 3.6 stars (5 votes)
• That balloon by RdyRoger  CockUp Balls Cock HyCum 2Gay HyMusc MuscUp Musc Taller SizeUp AgeUp Hairier  Using a magic balloon to blow yourself up bigger is great, but blowing up other people can be even more fun. Added Jul 2019 Updated Aug 2019 4 parts 10,293 words 14,924 views
• A whole new world by MarcusB00  CockUp Cock HyCum HyStr MuscUp Musc Viol Alien  Two siblings, looking for a profit, break into an abandoned facility for potential treasure. Along the way they accidentally open a portal and get sucked in, and one of them get woken up by young dude with muscle powers in a new world. Added Nov 2020 Updated Jun 2021 3 parts 10,278 words 6,402 views 5.0 stars (5 votes)
• The Champion by Mikeytron  HyMusc MuscUp Musc  A twist on the “be careful what you wish for” formula, regarding the history of an implausibly huge Mr. Olympia champion. Added May 2021 2 parts 10,261 words 6,606 views 4.8 stars (17 votes)
• When you grow upon a star by OneLuckyGuy89  CockUp Cock MuscUp Musc Voice Taller SizeUp Hairier Nonc  When Aladdin Lindstrum makes a wish on a star, strange things begin happening to him, his roommates, and his boyfriend. Added Jul 2019 Updated May 2021 3 parts 10,213 words 12,436 views 4.0 stars (6 votes)
• Meteor shower by Tym Greene  Tf 2Animal Fatter Bi Het Fur M/F M/M M/M/F  A couple heads out to a costume party to celebrate a big meteor shower. Little do they know that the party’s host has other plans. Added Sep 2021 10,195 words 964 views
• My bodyguard by Richard Jasper  CockUp Cock HyStr MuscUp Musc Grad  “Worthless” Worthington High School sophomores Roger Jensen and Nick Delios bond when the latter saves the former’s scrawny ass from the class bully, Ralphie Peters. Their burgeoning affection and academic accomplishments are only exceeded by their ridiculous muscle growth. Added Aug 2020 4 parts 10,166 words 3,112 views 5.0 stars (6 votes)
• Transform: Auto upgrade by Also Known As  Cock MuscUp Musc Scent SizeUp Infect Series Series   Added Jan 2014 10,147 words 6,994 views
• Return of the cocksucking fleshsock by BRK  CockUp Cock XAbs XArms XLimb Fant Series  Kurn, a mountain warrior with an unruly, mouth-craving cock, has been sent to offer a boon to the great Huuman, Lord Griffin, Defender of Kossh, for his help in expunging the scimitar-raiders. To his shock, however, Lord Griffin instead offers the valiant Kurn a gift that answers his most compelling need. Added Sep 2020 Updated Nov 2020 3 parts 10,076 words 4,426 views 4.9 stars (7 votes)
• Transform: The athletic supporter by Also Known As  Cock XCock MuscUp Musc SizeUp Infect Series Series   Added Jan 2014 10,070 words 8,346 views
• Scenes: muscle growth shorts by Richard Jasper  Cock MuscUp Musc Grad Hairier  Ten interrelated short stories about giant muscles, huge cocks, growth galore, and, as always, fur fur fur! Added Oct 2020 10 parts 10,010 words 4,081 views

• Metatation by BRK  XCock XArms XLeg XLimb Rep Taller Weed  Unexpectedly given the afternoon off, Connor goes exploring a botanical garden on a whim and discovers a secret meditation circle sharing some unusually potent weed. Added Dec 2018 Updated Apr 2019 2 parts 9,998 words 5,782 views 4.8 stars (22 votes)
• Lather, rinse, repeat by Cris Kane  Mental 2Gay MuscDn Musc SizeDn HairDecr  Jack accidentally grabs his missing roommate's Twink-brand shampoo in the shower and feels like a new man. Added Sep 2020 Updated Oct 2020 2 parts 9,938 words 5,532 views 4.8 stars (5 votes)
• Superman gets big by Richard Jasper  HyMusc HyStr MuscUp Musc Super  Perry White sends Clark Kent off to cover his first bodybuilding contest, prompting interesting developments! Added Nov 2020 8 parts 9,920 words 4,363 views 4.6 stars (5 votes)
• Under his wing by Richard Jasper  MuscUp Musc Taller  Frank Jones, 40, is a (gay) widower, recently out of the landscaping business and taking on a new career as a personal trainer. He’s delighted with his new neighbors, a divorcee and her 14-year-old son. The relationship that develops among the three of them is not one any of them would have expected! Just FYI: This one has a lot of muscle growth but is (unlike the author’s usual fare) a sad one. Added Jan 2021 10 parts 9,913 words 2,037 views 5.0 stars (7 votes)
• Transform: Muscle club by Also Known As  Cock Self XCock MuscUp Musc SizeUp Infect Series Series   Added Jan 2014 9,869 words 11,040 views
• Huge changes: Book two by RdyRoger  CockUp Balls Cock MuscUp Musc PSD SizeUp Hairier Nonc Infect Series  Jason and Todd decide to help Mason, not suspecting that Mason will get an extra helping of wishes, or that Mason’s fantasies of love and growth will start affecting more than just his partners. Added Dec 2017 2 parts 9,859 words 14,906 views 4.9 stars (8 votes)
• Hung for the holidays by Ziel  CockUp Cock HyCock MuscUp Handsomer Xmas Series  Kris Kringle the Third is back for another Christmas adventure! This time he and Nick visit a pair of guys who are stuck in their apartment and unable to go visit their families for the holidays. They might be stuck at home, but Kris has a plan to ensure that this Christmas is the best one yet. Added Dec 2020 9,842 words 3,654 views
• The CVN link by BRK  CockUp Cock XAbs MuscUp Musc Taller SizeUp App Retcon M/M NS  Mike is applying for a new job. Everything’s going great, his potential new boss is a dreamboat, he’s perfect for the position. There’s just one hitch: they need his CVNs. His confusion turns to shock when he finds out from a friend just what the “N” stands for… Added Jun 2020 2 parts 9,838 words 6,890 views 4.8 stars (9 votes)
• You and I: The restaurant by Also Known As  CockUp Cock Rep MuscUp Musc Nude SizeUp Sugg Series  Another dual perspective between a man with godlike powers and a man who seeks him out, this time leading to audacious transformations right in the middle of a busy restaurant. Added Jul 2016 2 parts 9,831 words 12,032 views
• Spin the bottle by EdIam  Cock 2Gay Inc Dad Dom  Matty lives in a pretty homophobic area with pretty homophobic friends, but maybe a magically-enhanced game of spin the bottle can help loosen them up? Added Aug 2021 9,825 words 2,143 views 3.8 stars (5 votes)
• Reset by Richard Jasper  2Straight 2Gay MuscUp Musc Grad AgeDn  Inexplicably starting his life over again as a weedy teenager, Richard is determined to make sure things are different this time. Added Mar 2020 9,819 words 5,512 views 4.7 stars (6 votes)
• HUSH by The Gecko Rose  CockUp HyCock Self XBalls Str Det Tf HyTongue Merg Goo  A young man, an Acolyte of cHurch of Universal Scientific Hedonism (HUSH), finally becomes a full Brother, and learns all the secrets of the Brotherhood. Including all their special transforming abilities... Added Dec 2018 4 parts 9,806 words 6,292 views 4.8 stars (11 votes)
• Skeeter’s cleaners by Ziel  CockUp HyCock HyCum Giant SizeUp  Journalism majors and best buds, Trey and Davis decide to do an expose on the new cum cleaning business. Little did they know they’d be making the news themselves. Added Mar 2015 9,753 words 17,088 views 4.7 stars (17 votes)
• Laundry day by Aphon  CockUp Balls Cock HyCock MuscUp Musc SizeUp Hairier Hum Nonc  A scientist on the verge of a cock growth breakthrough is a little careless and his formula ends up on the jockstrap of a hunky personal trainer, what could go wrong? Added May 2017 Updated Dec 2019 12 parts 9,685 words 34,015 views 4.3 stars (19 votes)
• Stories to tell in the dark by Thorn  CockUp Balls Cock MuscUp Gut AssUp BellyUp Voice Taller SizeUp Fatter Infl  Sean discovers a book that is filled with some surprising stories. Added Apr 2021 2 parts 9,685 words 8,006 views 4.8 stars (25 votes)
• Talion’s island by Nuclear Fusion  Cock Fur  Shipwrecked on a strange island, an undersized cougar meets a burly lion who quickly changes his view of things. Added Mar 2012 9,682 words 12,060 views
• Small problems by The Obsessive-Compulsive  CockUp Balls Cock HyCock HyCum Libido  College freshman Curt has certain inadequacies he’d like to correct. (Hint: Remember the “Better Living through Chemistry” meme?) Added Sep 2009 7 parts 9,668 words 31,973 views 5.0 stars (6 votes)
• The beast with a billion boners by Ziel  Rep SizeDn Tent  Occult book store employees Lee and Gavin discover a comic book called "Beast with a Billion Boners." They figure they’ve both seen enough hentai to know where this is going. They were wrong. Some tentacle fun, raunchy gay smut, and even some shrinking and macro/micro sizeplay ensue. Added Dec 2015 9,663 words 10,288 views 4.8 stars (6 votes)
• Payback by muscl4life  CockUp Cock HyCock MuscUp MuscDn Musc Giant PSD SizeUp Nonc  After being betrayed by his bodybuilder boyfriend, Leo stumbles on an acquaintance with a wizard who claims to want to help him get even. Added Jun 2018 2 parts 9,659 words 17,859 views 4.3 stars (10 votes)
• The blue daiquiri by BRK  CockUp Cock XCock XHead XArms XLimb MuscUp Musc Handsomer Taller Series M/M  Another artifact of the universe makes an appearance, this time at a loft party to celebrate the pilot Henry scripted, Ice City, going to series. If only Henry were having as much success figuring out his feelings for his sweet but ordinary-looking roommate, Gavin. Added Oct 2017 9,647 words 8,320 views 5.0 stars (12 votes)
• Truth to tell by BRK  CockUp Cock MuscUp Musc Sugg  There are way too many temptations involved when the things you say about people around you come true—especially when you fall in lust with the hot guy in the next dorm room. Added Feb 2012 Updated Jun 2018 3 parts 9,610 words 30,610 views 4.7 stars (26 votes)
• Mutation by BRK  CockUp Cock HyCock XCock 4Legs XArms XLeg XLimb 3Legs XPec Rep Stack  Everyone in Portia, Alaska has been grown thicker and stronger and made irresistibly beautiful, but none more than the teens in the high school. Geek genius Mr. Lewis tries to roll back the most extreme changes in Mr. Casey’s class as a test case, but the trial doesn’t go anywhere near as planned. Added Jun 2010 Updated Jul 2018 4 parts 9,583 words 66,548 views 4.9 stars (17 votes)
• David devolving by FanTCMan  CockUp Balls Cock Dumber 2Gay MuscUp Musc Nonc   Added Sep 2003 2 parts 9,538 words 36,867 views 4.8 stars (14 votes)
• Danny gets big by StudMscl  CockUp Cock 2Gay MuscUp Musc  Danny is unexpectedly given some brown paper packets that are supposed to turn him into everything he wishes he were. He quickly learns that changing your body changes your life in unexpected ways. Added Nov 2003 3 parts 9,501 words 60,821 views 4.5 stars (17 votes)
• The professor of reality by RdyRoger  CockUp Cock MuscUp Musc PSD SizeUp  Max’s friend’s boss, the Professor, has been experimenting with making changes to reality, but when he tries to solve Max’s problems with his undersized equipment things get a little out of hand. Added Dec 2017 2 parts 9,489 words 11,683 views 4.5 stars (6 votes)
• Muscl Hansl by Jerkoffcentral  Cock MuscUp Musc Rape Slave  Hans, wandering in the wrong forest, encounters a herd of mindless muscle slaves, and soon the god that made them that way—and he’s determined to make an example of Hans. Added Jun 2014 Updated Jul 2014 2 parts 9,486 words 17,025 views 4.1 stars (14 votes)
• It’s a piece of cake! (revised) by Woynich  NoCock Immob BellyUp Voice Taller SizeUp Infl Fluids Pandem  James Miller finds a magic cookbook and bakes up a harem of anthropomorphic cakes that have different powers when he eats pieces of them. There’s a crumb cake with “EAT ME” written into his chest with currants, a blueberry shortcake, a stack of pancakes, and sure to be many other varieties soon. Added Aug 2020 3 parts 9,461 words 3,655 views
• Miracle man by Also Known As  MuscUp Musc   Added Jul 2002 2 parts 9,461 words 13,957 views
• Change of mind by Mango Deville  Swap  A man with a failing body finds a way to swap places with a healthy but brain-dead young man. Added Jan 2003 6 parts 9,459 words 15,432 views
• ChristMASS by Musclesaber  CockUp Balls Cock HyCock CumInf HyCum MuscUp BellyUp Taller Giant Infl Xmas  Four men are transported to the North Pole to compete for the title of “The New Santa Claus”. Little do they know what magic can really do to them as one by one, they are each eliminated. Added Dec 2020 4 parts 9,454 words 5,735 views
• Multilimb studies by Josh Dugan  XCock XArms XLeg XLimb Taller  For reasons of his own, Jeff gets Mark to take a class with him. Added Feb 2020 Updated May 2020 10 parts 9,444 words 2,655 views 4.7 stars (6 votes)
• Transform: After math by Also Known As  Cock XCock MuscUp Musc SizeUp Infect Series Series   Added Jan 2014 9,418 words 7,601 views
• Blood lust by muscl4life  CockUp Cock HyCock MuscUp Musc SizeUp Inc Twins Nonc Vamp Were Hallow  The vampire Drago plots his revenge against his twin brother, Draco, and Kevin, Danny, and Greg get caught in the middle. Added Nov 2013 Updated Dec 2013 3 parts 9,393 words 24,045 views 4.4 stars (8 votes)
• Macrocosm by TylerGermany  Musc PSD  The new guy in class is eight feet tall, and that’s just the start of what draws Luke to him. Added Feb 2016 Updated Mar 2016 2 parts 9,387 words 14,790 views 4.2 stars (5 votes)
• Livin la vida loca by Onix  Dumber 2Gay Race Nonc Slave Hypno Mind  I wasn’t always like this… but Steve—I mean my Master says I won’t be able to remember any of that in a little while. Added Apr 2003 9,347 words 12,177 views
• The four jocks: The loft by BRK  CockUp Cock XCock XLimb MuscUp Musc Taller SizeUp Series M/M M/M/M/...  A quartet of very attractive clothing and fitness models sharing a loft try the transformation game during a power blackout, and are soon filled with awe at what they’re doing to themselves and each other as they play. Added Dec 2013 2 parts 9,337 words 12,897 views 5.0 stars (7 votes)
• Medicine show continues by Longbow9  CockUp Cock HyCock Bi Het Series  The Homer’s Odyssey of breast and cock expansion stories is continued by the story’s original creator, complete with even more breast and cock expansion. Added Mar 2016 8 parts 9,335 words 15,047 views
• Figurines by RdyRoger  CockUp Balls Cock HyCum MuscUp Musc Libido Handsomer SizeDn SizeUp Race Hairier TongueGr  A pair of bracelets let the wearer gain the proportions and attributes of any figurine you pick up. Once you understand that, you start to realize there are some very well-built figurines out there... Added Feb 2009 4 parts 9,284 words 25,767 views 4.6 stars (18 votes)
• You and I: The beginning by Also Known As  CockUp Cock MuscUp Musc Nude PSD SizeUp Sugg Series  In the beginning, there was growth, and muscle, and … well, there was a little trial and error along the way. Added Aug 2016 9,251 words 12,655 views 4.8 stars (8 votes)
• Of wishes and horses by Tym Greene  Prehen Tf Fur Genie  A panther finds a lamp and gives it a rub…but what happens when the genie’s new master has heard the stories already? Added May 2021 9,246 words 1,501 views
• I want what I want by NCGazza  CockUp Balls Cock HyMusc MuscUp Musc Taller Giant PSD SizeUp Nano Viol  Multitrillionaire Benjamin Kind has Professor Grant Jennings create a DNA altering nanobite to give him the body he’s always wanted. Added Mar 2019 Updated Apr 2019 2 parts 9,243 words 17,118 views 4.5 stars (13 votes)
• The cabin by HugeEndowments  Balls Cock HyCock Self HyCum Worship  A story about two friends and some excessive sizes. Added Mar 2021 2 parts 9,239 words 5,167 views 5.0 stars (10 votes)
• Biggest by Also Known As  AlwHard Cock MuscUp Musc   Added Jan 2014 2 parts 9,229 words 21,074 views 4.5 stars (6 votes)
• The cock dungeon by LordTronimator  AlwHard Balls Cock CumMilking Herm Cage Nonc  A group of boys awaken within a dark, strange dungeon, completely butt naked and sporting boners that seem to refuse to go away. They hope to find any other prisoners and an escape before succumbing to the strange location’s influence. Added Jun 2020 Updated Aug 2020 4 parts 9,222 words 6,381 views 4.0 stars (6 votes)
• My big problem by Richard Jasper  Cock HyStr MuscUp Musc Handsomer Grad  Austin, Arturo, Bernie and Ralphie have been friends since they were kids—and discovered that Austin had an improbably huge dick! Growing his muscles to match turns into a group effort! Added Aug 2020 5 parts 9,214 words 3,961 views
• Chris olympus by FanTCMan  CockUp 2Gay MuscUp Musc Hairier AgeDiff Inc Dad   Added Dec 2002 3 parts 9,167 words 32,108 views 4.4 stars (16 votes)
• A man of growing proportions by crazywolf82  CockUp Balls HyCock CumInf HyCum Str  Jacob’s cock starts to grow just as he meets a sweet guy named Kyle who seems very interested in him. Added Oct 2014 5 parts 9,164 words 45,252 views 4.6 stars (33 votes)
• The mansion of Re-Petes by TwinReplica  Rep  Wyatt is finally visiting his online date Pete for the first time and is surprised to find he lives at a mansion, which holds multiple secrets inside… Added Aug 2021 2 parts 9,125 words 606 views 4.9 stars (8 votes)
• The duplex by TheCandymanCan13  Cock 2Gay Bi Het  Peter and his hot wife, Eleanor, are looking for a little excitement. They decide to try sharing sex with another couple, but don’t have much luck until a chance encounter introduces them to Henry and Rose, both of whom know exactly how to please a man and woman. Added Apr 2018 9,099 words 4,964 views 3.9 stars (8 votes)
• Transform: Coffee break by Also Known As  Cock XCock MuscUp Musc SizeUp Infect Series Series  Marcus’s favorite espresso dude at the coffee shop looks a little different today. Added Jan 2014 9,093 words 7,370 views
• Mal Sueno: A Halloween tale by JayPat  CockUp Cock HyCock MuscUp Musc Taller SizeUp Hum Nonc Hallow  When a dumped ex seeks revenge on a hot muscle douche named Luke, it means a chance for his scrawny younger brother Jordan to turn the tables. Added Nov 2018 3 parts 9,079 words 11,026 views 4.0 stars (15 votes)
• Another nerd story by Sithspawn  CockUp Cock HyStr MuscUp Musc Taller SizeUp Nano  Ollie is your typical nerd who asks his neighbour for help dealing with the local bully. Tom offers some advice that leads to an encounter he'll never forget. Added Apr 2020 Updated May 2020 2 parts 9,072 words 10,134 views 4.6 stars (8 votes)
• The salt: the lab assistant by RdyRoger  CockUp Balls Cock HyCum Mental MuscUp Musc Libido Handsomer Voice PSD SizeUp Hairier Nonc Series   Added Jun 2010 9,042 words 9,256 views
• .hack//swap by Ziel  CockUp Cock MuscUp MuscDn Musc PSD SizeDn SizeUp  Thomas wants to prove his wrestling skills to his best friend, but there’s one major problem. Thomas is a runt! It doesn’t matter how skillful he is if he can’t even budge his titanic pal. That’s where his latest creation comes into play. Now armed with a way to even the playing field, Thomas and his pal gear up for some friendly competition and lot more than either of them bargained for. Added Apr 2018 9,026 words 17,039 views 4.1 stars (14 votes)
• Bear’s den by Pfefferooney  CockUp Cockfuck Balls Cock HyCock NipCum MuscUp Musc BellyUp SizeUp Hairier Infect  David is a small university student and he wants nothing more than to be, and be with, an enormous man. On a fateful day, he stumbles upon someone who can make his dream come true. Added Mar 2019 Updated May 2019 3 parts 9,022 words 23,071 views 4.9 stars (9 votes)
• Bull’s gene by Opin  HyCum HyStr MuscUp Gut Musc Worship Taller PSD SizeUp  Dean goes on a date with Henry, a huge professor, whose strength exceeds every expectations… Added Aug 2020 Updated Apr 2021 5 parts 9,018 words 17,199 views 4.6 stars (15 votes)

• Fortitude by BRK  CockUp Cock MuscUp Musc SizeUp Space M/M M/M/M/...  A starship full of hot young recruits gets marooned in a strange part of space that seems to have an augmenting effect on the crew, leaving the AI and the unexpectedly immune commander to try to get them free. Added Aug 2009 Updated Mar 2018 3 parts 8,994 words 32,289 views 4.7 stars (35 votes)
• Alpha Luke grows his circle by Eric Aaldersen  Balls Cock MuscUp Musc Inc Bro Supn Series  Now fully aware of his alphahood, Luke breeds some more betas hoping to make Brian an alpha like him. Luke and Mike finally bond as they were meant to. Added Mar 2020 8,980 words 6,532 views 5.0 stars (10 votes)
• Out of control by Sammas6  CockUp Balls Cock HyCock  Toby and Matt are young men working on an experimental plant-growth formula out of Tony’s garage. It doesn’t work on the plants, but Matt finds another use for it. Added May 2021 5 parts 8,975 words 6,498 views 5.0 stars (15 votes)
• Two of everything by Big S  CockUp Cock Self XCock MuscUp Grad Hairier  Having two cocks already makes Danny feel different, but the fact that they keep getting bigger makes for a few awkward moments. Fortunately, his buddy Kevin is pretty into it. Added Jun 2011 5 parts 8,943 words 11,079 views
• Transform: Morning wood by Also Known As  Cock XCock MuscUp Musc SizeUp Infect Series Series   Added Jan 2014 8,923 words 9,677 views
• Cycle one by Absman420  Cock Musc Lycra  Sam is a writer whose hobby is bodybuilding. His new gym is owned by a guy named Coach, who goes the extra mile to make sure “his boys” get the gains they need. Added Jan 2013 8 parts 8,889 words 21,219 views 4.8 stars (9 votes)
• The training program by BRK  AlwHard CockUp Self HyCum Addict Mental 2Gay MuscUp Musc NoShirts Libido Handsomer Grad Tf Taller PSD SizeUp Hairier Dom Nonc Slave Alien  Recruited to take part in an intense and highly selective three-week LEO training program, Texas Ranger Dusty thinks he and his fellow trainees are in for a lot of hard work and conditioning. What he doesn’t know is what exactly these elite law-enforcement men are being trained for. Added Aug 2021 5 parts 8,850 words 5,163 views
• My brother’s boyfriend by Richard Jasper  Balls 2Gay HyMusc HyStr MuscUp Musc Taller SizeUp Inc Bro HyPher  Hunky, straight Marine Kyle is gobsmacked to find out that his bigger, hotter baby brother has an even bigger, hotter boyfriend! Added Feb 2020 5 parts 8,843 words 11,919 views 4.1 stars (8 votes)
• The muscle machine by Richard Jasper  CockUp Cock MuscUp Musc Grad Taller SizeUp  When Max Hardesty returns to Emory after summer break, his freshman roommate, Ralphie Peters, is in for a big surprise! And it just keeps getting bigger! Added Aug 2020 11 parts 8,800 words 6,800 views
• The blue pumpkin by BRK  AlwHard CockUp Cock HyCock HyCum XArms XLimb XTongue Rep MuscUp Musc Str Taller Mcock Inc Twins Merg Supn Hallow Series  Dominic is sure his blue pumpkin jack-o’-lantern will be a hit. What he doesn’t know is what will be brought forth when he lights the candle within… Added Oct 2020 6 parts 8,774 words 4,954 views 5.0 stars (14 votes)
• Alpha Luke saves the party by Eric Aaldersen  Cock Musc Bi Supn Series  Luke’s homecoming party escapades include romps in a change room, a hot tub, a friend’s bedroom, and a sauna! Added Feb 2020 8,757 words 3,951 views 5.0 stars (10 votes)
• Hulk by WBHunk  MuscUp Gut Musc Viol  An early encounter with a huge, muscular man presages transformations yet to come. Added Jul 2002 5 parts 8,751 words 32,535 views 4.3 stars (8 votes)
• Simply winning by NCGazza  CockUp Balls Cock HyCock MuscUp Musc Taller Giant PSD SizeUp Hairier Viol  Justin gets his hand on some herbal tea that hopefully will make him into the man he wants to be… if he can hold onto it long enough. Added Mar 2019 3 parts 8,705 words 13,991 views 3.7 stars (9 votes)
• C is for… by King Dave  CockUp Cock 2Gay MuscUp Musc Grad AgeDn  Owen decides to order some custom health supplements online. He never expected them to have these kinds of side effects. Added Feb 2021 Updated Mar 2021 4 parts 8,701 words 12,485 views 4.9 stars (10 votes)
• Porn can be healthy by Egi  CockUp Cock HyCock HyCum Infect  Zack is a healthy, horny young man who, like any other boy, likes to look at porn. Always one for novelty, Zack comes across the perfect website for him and his needs! Added May 2017 2 parts 8,693 words 22,132 views 4.9 stars (30 votes)
• Brandon’s bro by FanTCMan  CockUp Cock MuscUp Musc Hairier Inc Bro  Brandon initiates his brother onto a secret society of guys who are being made more and more muscular, hung, and sexy. Added Jan 2017 4 parts 8,692 words 21,285 views 4.6 stars (21 votes)
• Metachange by LordTronimator  CockUp Balls Cock HyCock HyCum 4Legs XArms XLeg XLimb App Inc Bro Hum Nonc  Bullied 18-year old high school student Nathan just wants to spend his time in class doodling. But he’s always mocked for what he does. So what happens when a mysterious app suddenly shows up on his phone and promises to change things? Added May 2020 Updated Jun 2020 5 parts 8,689 words 5,999 views 4.6 stars (11 votes)
• The cock blog by TheSizeKing  CockUp Balls Cock HyCock Self HyCum Grad  Patrick was just your average 25 year old guy. He’s just got one secret: he has the world’s biggest dick, and it seems to be getting bigger. Added Aug 2020 Updated Oct 2020 5 parts 8,685 words 9,296 views 4.4 stars (10 votes)
• 21 dollar footlong by Ziel  CockUp Balls Cock HyCock App SocMed  Angus receives a new app from his buddy which claims to allow him to host his very own growth drive! Angus could use the money, and it’s not like the app can really grow his cock. It’s just trick photography and photo manipulation, right? Added Oct 2019 8,683 words 14,250 views 4.8 stars (8 votes)
• Summer vacation by Richard Jasper  CockUp Cock MuscUp Musc Grad Taller Hairier  Recent high school graduate Roger is looking forward to spending the summer—alone—at his grandparents’ lake house. He plans to eat, lift, and grow! Little did he anticipate the effect his grandfather’s special formula Vegemite would have on the process! Added Oct 2020 6 parts 8,655 words 5,396 views 4.7 stars (6 votes)
• Moocows by Meddler Incs  CumMilking NipCum MuscUp Musc 2Animal Nonc Hypno Mind  Cody's world is turned upside down when he is faced with a twisted coach and his followers. Added Jan 2017 Updated Aug 2021 5 parts 8,648 words 24,198 views 4.4 stars (32 votes)
• A tune up by Dream Big  AlwHard CockUp Balls Cock Self MuscUp Musc  Jay’s new boyfriend is younger and hunkier than he is, making him feel unworthy. Kim coaxes him into a workout regime and hooks him up with a friend’s experimental workout supplement, and before long Jay is catching up to his boyfriend—a lot faster than he should be. Added Mar 2019 4 parts 8,646 words 10,160 views 5.0 stars (7 votes)
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