BRK

Story Archive

A list of all stories live on the site.

1,960 stories found, sorted by page views in the last 30 days. Total word count: 18,149,232.

5k+

Kyle’s himbo transformation by Joven [ ] Kyle goes on vacation with some friends, then starts to experience a few sudden and unexplained changes. •Cock Growth •Huge Balls •Huge Cock •Self-suck •Straight to Gay •Muscle Growth •Ass Growth •Gradual Change •Dom/Sub •Nonconsensual change •M/M •M/M/M Added Nov 2021 Updated Dec 2021 14 parts 18,576 words 17,951 views 4.8 stars (22 votes)
A close encounter by King Dave [ ] Evan is not alone in his apartment. Something that wants to study him. Is that all that it wants? •Cock Growth •Muscle Growth •Ass Growth •Getting Handsomer •Voice Deepening •Getting Hairy •First Time/Virgin •Aliens •Shapeshifting •M/M Added Dec 2021 Updated Jan 2022 3 parts 7,234 words 5,200 views 4.9 stars (16 votes)
Incubus garage by Quick Master [ ] An incubus of the lower realms aims to corrupt all of the men working at a greasy local garage into incubi. •Cock Growth •Huge Balls •Huge Cock •Nipple Cum •Multicock •Straight to Gay •Muscle Breast •Muscle Growth •Muscle/Strength •Increased Libido •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Human to Animal/Anthro •Tongue Growth •Hyper Pheromones •Infectious •Demons •Incubus/Succubus •Supernatural •M/M •M/M/M •M/M/M/... Added Dec 2021 Updated Jan 2022 3 parts 15,288 words 5,896 views

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Totally stoked by John Perrot [ ] Ben and Kenny enjoy some premium weed Ben found, but its effects aren’t quite what they expect. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Muscle •Muscle Growth •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •Cannabis •M/M Added Dec 2021 4,106 words 4,550 views 4.8 stars (8 votes)
Unequal exchange by Fallon Ives [ ] Jacob gets more (and less) than he bargained for when a late-night hookup with a guy from out of town takes a turn for the strange. No part of him will ever be the same. •Cock Growth •Cut to Uncut •Cock Shrinking •Cock Theft •Huge Balls •Huge Cock •Hyper Cum •Muscle Worship •Man Scent •Belly Growth •Increased Libido •Gradual Change •Transformation •Getting Taller •Plausible Size Difference •Size Decrease •Size Increase •Getting Fatter •Tongue Growth •Dom/Sub •Humiliation •Nonconsensual change •Sex-Slave •Supernatural •M/M Added Nov 2021 Updated Dec 2021 6 parts 17,000 words 11,710 views 4.6 stars (13 votes)
Sebastian by TreborNawoc [ ] Sebastian’s experiment to transform himself into a multi-hunk worked, and then some! He can’t wait to show off the results to his best friend, Gavin. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Extra Mouths •Multi-abs •Multi-balls •Multicock •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Muscle Growth •Increased Libido •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Tongue Growth •First Time/Virgin •Infectious •Series •M/M Added Dec 2021 Updated Jan 2022 3 parts 4,748 words 4,007 views 4.9 stars (13 votes)

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Cocking stuffers by Ziel [ ] George and Bailey are best buds and roommates, but could they be something more? They just need a little something to break the ice… and Bailey’s boxers. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Christmas •M/M Added Dec 2021 6,096 words 3,817 views
Eggmen chronicles by brazboy [ ] 2122, eighty years after the anti-AI law, sixty years after the GMHs (genetically modified humans) became officially allowed. The human species counts 21 billion people living in three planets, but only about one in three are from traditional genetic lineages—more and more GMH have been created to fill the gap between supply and demand following the fertility crisis and the ever-growing need of populational expansion for labor and consumption. These new humans are just like the rest of us—except when they aren’t •Cock Growth •Huge Cock •Hyper Cock •Nipcocks •Hyper Cum •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Set in the Future •M/M Added Dec 2021 Updated Jan 2022 6 parts 15,534 words 4,533 views
Justin (the bigger the better) by Giant Worshipper [ ] A young man starts growing, and growing. He finds he likes it a lot. •Cock Growth •Huge Cock •Hyper Cock •Straight to Gay •Hyper Strength •Muscle Growth •Muscle/Strength •Muscle Worship •Giants •Size Increase Added Nov 2009 15 parts 99,090 words 348,681 views 4.3 stars (73 votes)
Untangled by screamingmoist [ ] A young man wanders into the wrong bar and into the right life. •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Transformation •Getting Hairy •M/M Added Jan 2022 3,244 words 3,562 views 5.0 stars (9 votes)
Resolutions by BRK [ ] 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. •Cock Growth •Huge Balls •Huge Cock •Self-suck •Hyper Cum •Other Mental Changes •Hyper Muscle •Muscle Growth •Muscle/Strength •Increased Libido •Size Decrease •Size Increase •Tongue Growth •Retcon •Suggestion •Nonconsensual change •New Year's Eve •M •M/M •M/M/M •M/M/M/... Added Jan 2021 Updated Jan 2022 11 parts 61,364 words 25,495 views 4.9 stars (31 votes)
Esgrow by Ziel [ ] Gil is the quintessential dweeb. Just a short, scrawny, number-crunching nerd… until he decides to make some modifications to a certain legal document. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •M/M/M/... •NS Added Jun 2021 Updated Jan 2022 2 parts 4,979 words 8,326 views 4.9 stars (11 votes)
The alpha touch by Caliburn [ ] Young engineer Max has a good deed rewarded with a mysterious rune now tattooed to his wrist. Bestowed with the power to change the body of the men he touches, Max’s life and his friends’ change quite a bit. •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Getting Taller •Getting Hairy •Nonconsensual change •M/M Added Jan 2022 2 parts 5,450 words 3,243 views 5.0 stars (12 votes)
Sean goes to prison by Joven [ ] 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. •Cock Growth •Huge Balls •Huge Cock •Cum Milking •Straight to Gay •Muscle Growth •Size Increase •Nonconsensual change •Restraints •M/M •M/M/M/... Added Aug 2017 Updated Dec 2021 18 parts 28,246 words 42,253 views 4.7 stars (38 votes)

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25 bottles of beer on the wall by Seth Peterson [ ] A New Year’s frat initiation bears some very delicious fruit for newcomer Mateo! •Cock Growth •Muscle Growth •Getting Handsomer •Voice Deepening •Getting Taller •Getting Hairy •New Year's Eve •Metabods 25 •Alcohol •M/M/M/... Added Jan 2022 1,443 words 2,877 views
They’re too sensitive now by spacevlad [ ] Sean convinces his burly husband Jorge to get his nipples pierced for his 40th birthday. The results trigger an unexpected growth spurt much like one that happened in an infamous growth incident a year prior. •Muscle Growth •Muscle Gut •Man Scent •Getting Taller •Giants •Plausible Size Difference •Size Increase •Destruction/Violence •Series •M/M Added Jan 2022 5,327 words 2,699 views 4.8 stars (5 votes)
Jolias and Max: The cock rings by Azerreza and Madmutter [ ] When Jolias ordered what he thought a simple sex toy for him and his boyfriend Max, just for fun, he had no clue that this ring had many more features and that it would change their lives… •Cock Growth •Public Orgasm •Muscle Growth •Increased Libido •M/M Added Sep 2021 Updated Dec 2021 3 parts 17,198 words 9,878 views 4.2 stars (9 votes)
Size matters by BigManBigBelly [ ] An earnest and passionate top’s deficit leaves his bottom hook-up frustrated, but when the bottom lets slip his desire for more size, his wish comes true with ironic consequences. The word ‘grow’ becomes very triggering for him. •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Giants •Size Increase •M •M/M Added Jan 2022 3,551 words 2,511 views 4.6 stars (8 votes)
Man-Wich by Harvey Church [ ] Robbie is always taking stupid bets from his friend Benji, but after being pressured into eating some old, canned meat from a brand called Man-Wich, Robbie is more than happy he obliged. •Huge Balls •Huge Cock •Muscle Growth •Plausible Size Difference •Size Increase •M/M Added Jan 2022 1,950 words 2,401 views 5.0 stars (5 votes)
One hot summer by BRK [ ] 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. •Always Hard •Cock Growth •Huge Cock •Self-suck •Other Mental Changes •Muscle Growth •Muscle/Strength •Always Shirtless •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Plausible Size Difference •Size Decrease •Size Increase •Getting Hairy •Incest •Brothers •Twins •Nonconsensual change •Fourth of July •Gay Pride •Cannabis •M •M/M •M/M/M •M/M/M/... Added Jun 2019 Updated Dec 2021 42 parts 88,054 words 40,842 views 4.9 stars (39 votes)
Paradise outgrown by LAComplex [ ] An exotic island retreat. A 40’ bulked-up horny boyfriend. Worship, cum, eat, sleep, and repeat. Sounds like paradise? Well, that’s until an unexpected growth spurt gets in the way! •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Giants •Size Increase •M/M Added Jan 2022 2,897 words 2,205 views
Home for the holidays by BRK [ ] Leandro finds himself unexpectedly uninvited from his boyfriend’s family holiday shindig, leaving him stranded and lonely in a Christmas-bedecked town in the middle of nowhere. •Cock Growth •Huge Cock •Multicock •Multiarm •Multilimb •Replication •Muscle Growth •Muscle/Strength •Stretchy •Getting Taller •Size Increase •Mouthcock •Supernatural •Christmas •M/M •M/M/M/... Added Dec 2021 3 parts 6,102 words 2,152 views
Above average by Ziel [ ] 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. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Hyper Muscle •Muscle Growth •Muscle/Strength •Public Nudity •Ass Growth •Retcon •M/M •M/M/M •M/M/M/... Added Apr 2013 Updated Dec 2018 28 parts 130,435 words 231,159 views 4.5 stars (92 votes)
Max’s wish by Bulge101 [ ] 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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Infectious •M/M •M/M/M Added Aug 2011 Updated Nov 2011 11 parts 24,647 words 270,997 views 4.5 stars (71 votes)
Jason’s big problem by Joven [ ] 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. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers •t/t •t/t/t Added Oct 2013 Updated Nov 2017 49 parts 114,700 words 171,697 views 4.5 stars (74 votes)

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King size by BRK [ ] 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. •Always Hard •Cock Growth •Huge Cock •Self-suck •Witch/Warlock/Wizard Added Aug 2006 Updated Jan 2022 7 parts 18,527 words 42,610 views 4.3 stars (15 votes)
The damsel in growth by Rice Sawyer [ ] The dynamic between a cute femboy and his masculine lover changes after one of them orders a strange object off the internet. •Cock Growth •Pointy Ears •Getting Taller •Plausible Size Difference •Size Decrease •Size Increase •Anthro/Furry •Set during the Pandemic •M/M Added Jan 2022 2,324 words 1,938 views
An unexpected inflation by UberPump [ ] 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. •Cock Growth •Cock Pumping •Cockfucking •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Straight to Gay •Immobility •Muscle Growth •Inflation •App •Incest •Brothers •Bisexual •Nonconsensual change Added Apr 2020 Updated Apr 2021 32 parts 67,870 words 58,672 views 4.8 stars (37 votes)
My roommate (complete) by LenZelig [ ] 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.”) •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Age Difference •First Time/Virgin •Incest •Brothers •Father/Son •Bisexual •Hetero Sex •Dom/Sub •Witch/Warlock/Wizard •Gay Pride •Mind Control •M/F •M/M •M/M/F •M/M/M •M/M/M/... •M/t •t/t Added Jul 2002 Updated Jun 2021 29 parts 222,742 words 127,152 views 4.6 stars (23 votes)
The barista who fattened me up and stole my beta by BigManBigBelly [ ] Once upon a time, I lived as the alpha in my own life. Then this happened and everything changed. •Belly Growth •Getting Fatter •M/M Added Dec 2021 4,948 words 1,809 views
Meta massage therapy by M.M.69 [ ] A mysterious new massage parlor opened in town, and brothers Jared and Jason have VIP passes. What makes this place so special? •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Multicock •Multihead •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Multipec •Multitorso •Replication •Straight to Gay •Hyper Muscle •Hyper Strength •Muscle Growth •Ass Growth •Getting Handsomer •Getting Taller •Plausible Size Difference •Size Increase •Retcon •Suggestion •Age Difference •Incest •Brothers •Father/Son •Dom/Sub •M/M Added Nov 2021 Updated Jan 2022 3 parts 14,933 words 5,030 views 5.0 stars (11 votes)
All good things by Anon Amon [ ] 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. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Nipple Cum •Straight to Gay •Immobility •Muscle Growth •Muscle/Strength •Incest •Brothers •Twins •Infectious Added Feb 2017 Updated Oct 2020 104 parts 119,339 words 169,272 views 4.6 stars (130 votes)
Spice by Mr. X and Mad Dog [ ] In this epic story, the transformative powers of a certain substance are tested by a couple of very horny guys. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Man Scent •Gradual Change •Voice Deepening •Size Increase •Getting Hairy •Age Difference •Incest •Father/Son •Gay Pride Added Oct 2009 Updated Nov 2019 50 parts 221,027 words 190,663 views 4.3 stars (57 votes)
Twenty-five by Derek Williams [ ] Austin is a cocky young escort. When he meets up with an older client, he finds himself losing his youth and transforming into a sexually charged musclebeast. •Muscle Growth •Increased Libido •Age Progression •Getting Hairy •Age Difference •Nonconsensual change •Metabods 25 •M/M Added Jan 2022 3,571 words 1,631 views 4.8 stars (8 votes)
Chuck, the size thief by spacevlad [ ] Chuck, a middling-sized construction worker who wishes he were bigger, finds a way to grow huge. •Muscle Growth •Muscle Gut •Muscle Theft •Muscle/Strength •Belly Growth •Voice Deepening •Giants •Plausible Size Difference •Size Decrease •Size Increase •Getting Fatter •Inflation •Destruction/Violence •Nonconsensual change •Absorption •M/M Added Jun 2017 Updated Dec 2017 16 parts 42,078 words 80,276 views 4.5 stars (24 votes)
Time to bulk up by spacevlad [ ] Jason, an older bodybuilder who has hit a plateau, discovers a shortcut to size: stealing the muscles of a gym admirer. •Muscle Growth •Muscle Theft •Muscle/Strength •Nonconsensual change •M/M Added Jan 2022 1,557 words 1,500 views 4.8 stars (5 votes)
A.I. by Corwin [ ] Tim’s homemade A.I. software decides to help him get huge. •Huge Cock •Cum Milking •Addiction •Hyper Muscle •Muscle Growth •Muscle/Strength •Muscle Worship •Gradual Change •Plausible Size Difference •Size Increase •A.I.-Controlled Change •Destruction/Violence •Restraints •Androids •M/M Added Dec 2013 11 parts 30,556 words 51,010 views 4.8 stars (30 votes)
Mountainheart by BRK [ ] It’s 1999, and Glenn, until now kept from his heritage, uncovers what it means to be a Sheridan. Fortunately, he has his closest friend, Eamon, at his side. •Muscle/Strength •Increased Libido •Gradual Change •Plausible Size Difference •Getting Hairy •Werebears •Supernatural •Series •M/M Added Nov 2021 Updated Jan 2022 2 parts 9,187 words 2,498 views 5.0 stars (7 votes)
X-mass by Ziel [ ] With illustrations by Seraphiel. Clive thinks he’s in for a long, lonely Christmas break. It seems everyone else has left town to spend the holidays with their family, and he’s stuck hanging out with his roommate who he barely even knows! But a mysterious gift shows up and changes everything. This is one gift that definitely keeps giving! •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Getting Taller •Giants •Size Increase •Christmas •Stories with Images •M/M Added Dec 2019 8,466 words 18,938 views 4.6 stars (13 votes)
Puberty is a bitch by Lover Boy 2 [ ] •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Gradual Change •Size Increase Added Sep 2009 11 parts 14,585 words 143,254 views 4.2 stars (25 votes)
Reality Pack by Thorn [ ] What happens when the program you’re working on for school has a downloadable mod? You investigate it of course! •Cock Growth •Huge Cock •Muscle Breast •Muscle Growth •Muscle/Strength •Ass Growth •Belly Growth •Gradual Change •Getting Taller •Plausible Size Difference •Getting Hairy •App •Age Difference •First Time/Virgin •Incest •Brothers •Father/Son Added Nov 2020 Updated Feb 2021 15 parts 79,094 words 30,330 views 5.0 stars (25 votes)
Centaurian by Rick Haydn Horst [ ] When an unusual man comes into the protection of Officer Liam Phillips, Liam doesn’t know what he’s in for. His world gets broadened and turned upside down in this adventure of love, sex, gods, a one-quarter equine, and a vacation he will never forget. •Cock Growth •Huge Cock •Muscle Growth •Centaurs •Fantasy Realm •Immortality •M/M Added Nov 2021 Updated Jan 2022 5 parts 42,778 words 3,649 views 4.8 stars (11 votes)
Tit hype by Writ Bro [ ] Between jobs? How about £5000 in three weeks to take part in medical trials? Who knows, you might even like the side effects. •Cock Growth •Huge Cock •Muscle Breast •Muscle Growth •M/M Added Sep 2020 Updated Jan 2022 6 parts 26,610 words 13,343 views
My best friend’s muscles by Mikeytron [ ] A group of horny gay researchers develop a new compound that allows unprecedented muscle growth. •Hyper Muscle •Muscle Growth •Muscle Gut •Muscle/Strength •Gradual Change •M/M Added Sep 2021 Updated Nov 2021 5 parts 16,668 words 19,946 views 4.8 stars (46 votes)
Bull’s strength by muscl4life [ ] 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. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Multi-abs •Multicock •Muscle Growth •Muscle/Strength •Muscle Worship •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Age Difference •Bestiality •Incest •Father/Son •Destruction/Violence •Infectious •Flying •M/M •M/M/M •M/M/M/... Added Jul 2018 Updated Oct 2018 28 parts 88,398 words 65,551 views 4.8 stars (34 votes)
Red pills by Alakazam1988 [ ] 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.) •Cock Growth •Huge Cock •Hyper Cock •Addiction •Muscle Growth •Muscle Gut •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •M/M •M/M/M Added Jan 2017 Updated Mar 2021 19 parts 53,990 words 43,358 views 4.7 stars (15 votes)
Forced growth by hyperboi [ ] Tyler wakes up trapped in a room where everything seems geared toward forcing him to become bigger, stronger, and sexier. •Cock Growth •Cock Pumping •Huge Cock •Hyper Cock •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Nonconsensual change •M Added Oct 2013 5 parts 6,397 words 105,189 views 4.3 stars (49 votes)
Life of Tre by TreborNawoc [ ] Tre has a wild body with lots of extras, which gets him a lot of attention—especially from his boyfriend, Ky. •Huge Cock •Hyper Cock •Prehensile Cock •Public Orgasm •Extra facial features •Extra Mouths •Multi-abs •Multicock •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Six Legs •Multipec •Multitongue •Stretchy •Transformation •Hyper Tongue •Tongue Growth •Series •M/M Added Jun 2021 Updated Jan 2022 4 parts 4,607 words 3,511 views 4.9 stars (22 votes)
Part time by NoGoodAlias [ ] The story of a part-time worker at a tuxedo shop, and a chance encounter with a muscle god. •Huge Cock •Muscle/Strength •Muscle Worship •Plausible Size Difference •M/M Added Jan 2022 3,130 words 1,106 views
Under control by Alakazam1988 [ ] 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. •Cock Growth •Huge Balls •Huge Cock •Nipple Cum •Muscle Growth •Muscle/Strength •Ass Growth •Gradual Change •Getting Taller •Size Increase •M/M Added Apr 2020 Updated Aug 2020 5 parts 22,139 words 25,951 views 4.9 stars (27 votes)
Mind and body by BRK [ ] 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. •Always Hard •Cock Growth •Huge Cock •Multicock •Straight to Gay •Muscle Growth •Muscle/Strength •Always Shirtless •Getting Taller •Size Increase •App •Suggestion •Incest •Brothers •Hypnosis •Mind Control Added Jun 2012 Updated Jul 2017 16 parts 66,227 words 135,274 views 4.7 stars (93 votes)
The dudes by BRK [ ] 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. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Self-suck •Hyper Cum •Public Orgasm •Multi-abs •Straight to Gay •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Plausible Size Difference •Size Increase •Tongue Growth •Retcon •Suggestion •Brothers •Hyper Pheromones •t/t •t/t/t •t/t/t... Added Mar 2010 Updated Mar 2016 7 parts 15,936 words 106,061 views 4.7 stars (35 votes)
Medicine show by Fafhrd and Longbow9 [ ] •Cock Growth •Huge Cock •Hyper Cock •Self-suck •First Time/Virgin •Bisexual •Hetero Sex •Lycra/Spandex •Infectious •Series •M •M/F •M/F/F •M/M •M/M/F Added Feb 2012 Updated Feb 2014 174 parts 250,271 words 188,695 views 4.5 stars (20 votes)
Abyssus Abbey 2 by Pen Darke [ ] 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. •Huge Cock •Hyper Cock •Prehensile Cock •Wings •Muscle/Strength •Anthro/Furry •Demons •Incubus/Succubus •Witch/Warlock/Wizard •Horror •Supernatural •Series •M/M •M/M/M/... Added Feb 2021 Updated Jan 2022 10 parts 73,587 words 12,148 views 5.0 stars (35 votes)

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His brother drains his manhood by Ballmeat [ ] A younger brother drains his big, strong, overconfident older brother of his cock, balls and muscle. •Cock Growth •Cock Shrinking •Muscle Growth •Muscle Theft •Muscle/Strength •Incest •Brothers •Nonconsensual change Added Jan 2018 2,593 words 45,975 views 4.2 stars (31 votes)
Bull brothers by brazboy [ ] Caio and André live together in their family farm, burdened by the loans inherited from their parents. Caio supports both of them selling his milk, but his younger brother still wants to contribute, even if he has to do it behind his elder’s back. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Cum Milking •Hyper Cum •Hyper Muscle •Muscle Breast •Muscle Growth •Incest •Brothers •M/M Added Nov 2021 3 parts 11,985 words 7,693 views 4.7 stars (6 votes)
Maple Bar by Tym Greene [ ] Three friends go to a new bar in town, but as they drink they change, and as they change they drink, and soon they exchange Old Glory for l’Unifolié as their humanity becomes a little more…animalistic. Not that any of them notice anything… •Huge Cock •Muscle Growth •Transformation •Human to Animal/Anthro •Anthro/Furry •Anthro/Scaly •M/M •M/M/M/... Added Dec 2021 3,792 words 1,393 views
The bodyguards by Alakazam1988 [ ] Two already huge and beautiful brothers apply for a job guarding a man who might be able to help them get even bigger. •Cock Growth •Huge Balls •Huge Cock •Nipcocks •Nipple Cum •Muscle Growth •Muscle Gut •Muscle/Strength •Belly Growth •Gradual Change •Plausible Size Difference •Size Increase •Inflation •Incest •Brothers •Twins Added Apr 2021 Updated Aug 2021 9 parts 22,376 words 27,687 views 4.8 stars (36 votes)
A real man by DoubleCream [ ] A douchey gym bro wakes up in another world, in another body. •Cock Shrinking •Addiction •Straight to Gay •Muscle/Strength •Muscle Worship •Man Scent •Male Pregnancy •Plausible Size Difference •Size Decrease •Hairless •First Time/Virgin •Cock Cage •Dom/Sub •Hyper Pheromones Added Jan 2021 Updated Jul 2021 5 parts 21,958 words 17,216 views 4.9 stars (36 votes)
A Christmas wish by Buck Reams [ ] Writing out your fantasies can have practical consequences, if you do it on a scrap of paper you forgot came from a magical tome. •Cock Growth •Huge Balls •Huge Cock •Nipcocks •Hyper Cum •Nipple Cum •Muscle Growth •Muscle/Strength •Transformation •Size Increase •Getting Hairy •Nonconsensual change •Infectious •Christmas •M/M Added Dec 2019 1,975 words 13,130 views 4.8 stars (16 votes)
Baby brother by Shawn D. Stewart [ ] "Kev, did you see a glass here?” “Whoa, man, was that yours? Sorry… I was really thirsty…” “You drank it!?” Aaaaand off we go! •Cock Growth •Muscle Growth •Muscle/Strength •Getting Taller •Incest •Brothers Added Mar 2003 2,879 words 107,557 views 4.3 stars (34 votes)
Hard body by Also Known As [ ] 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. •Cock Growth •Huge Balls •Huge Cock •Prehensile Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Transformation •Size Increase •Dom/Sub •M/M •M/M/M Added Oct 2016 Updated Oct 2019 14 parts 75,283 words 69,369 views 4.4 stars (86 votes)
The brothers by FanTCMan [ ] Cory Callahan and his three sibs participate in a secret program, resulting in more muscles, body hair, cock size, and horniness. •Always Hard •Cock Growth •Huge Cock •Addiction •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Getting Hairy •Incest •Brothers Added Mar 2003 8 parts 22,620 words 95,184 views 4.8 stars (88 votes)
Summer research by spacevlad [ ] 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. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Getting Dumber •Other Mental Changes •Straight to Gay •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle Gut •Muscle/Strength •Man Scent •Belly Growth •Getting Taller •Giants •Plausible Size Difference •Size Increase •Getting Hairy •Destruction/Violence •Sex-Slave •Fourth of July •M/M Added Oct 2017 Updated Dec 2017 12 parts 28,541 words 37,604 views 4.8 stars (25 votes)
The royal stone by BRK [ ] In a hidden pocket kingdom in a corner of the Alps, Pete discovers a strange pink stone once thought to be of mystical significance to his ancestors, signified by the inscribed numerals, X, X, and V. •Extra digits •Multicock •Multiarm •Multilimb •Multitongue •Replication •Metabods 25 •M/M •M/M/M/... Added Jan 2022 5,462 words 904 views
An app for the ages by Seth Peterson [ ] An app that can change people on a whim? A totally ego-maniacal straight boy with a strong distaste toward his nerdy, unappreciative roommate? Well, things can only get more exciting from here, can’t they? •Cock Growth •Huge Cock •Butch-to-Fem •Getting Dumber •Straight to Gay •Muscle Breast •Muscle Growth •Muscle/Strength •Getting Taller •Getting Hairy •App •Nonconsensual change •M/M Added Dec 2018 3,147 words 24,262 views 4.9 stars (27 votes)
Sudden changes by BRK [ ] Ike woke up with a too-big hard-on that won’t quit and a constant, building need to orgasm that didn’t subside even when he came. And none of that changed the fact that he had to go to work. How the heck would he deal with this? •Always Hard •Cock Growth •Huge Cock •Muscle Growth •Increased Libido •Voice Deepening •Getting Taller •Getting Hairy •First Time/Virgin •Incest •Twins •M/M/M Added Dec 2021 2,063 words 4,809 views 4.9 stars (7 votes)
The Body Builder by Greggrth [ ] 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… •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Muscle Growth •Stretchy •Size Increase •Rubber/Latex •Superhero •M/M •M/M/M Added Dec 2020 Updated Oct 2021 9 parts 28,798 words 32,330 views 4.9 stars (37 votes)
Ad man by FanTCMan [ ] Powerful ad exec Tucker needs the help of one of his reps, an amateur bodybuilder named Larry, to break into the sports and fitness market. Larry takes the initiative and offers to help a potential client test their new supplement, and the results aren't what Tucker or Larry expect. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Straight to Gay •Hyper Muscle •Muscle Growth •Muscle/Strength •Getting Hairy •Nonconsensual change •Infectious Added Dec 2003 8,642 words 68,447 views 5.0 stars (36 votes)
Make the fur fly by LordTronimator [ ] 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. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Public Nudity •Gradual Change •Transformation •Human to Animal/Anthro •Retcon •Nonconsensual change •Anthro/Furry •M •M/M Added Aug 2020 Updated Nov 2021 14 parts 22,359 words 18,825 views 4.9 stars (32 votes)
Second puberty by JayPat [ ] 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. •Cock Growth •Huge Cock •Hyper Strength •Muscle Growth •Muscle/Strength •Increased Libido •Size Increase •Bisexual •Destruction/Violence •Hyper Pheromones •Series Added Sep 2012 15 parts 91,454 words 65,211 views 4.8 stars (30 votes)
Jock bros by John Perrot [ ] Derek convinces his friend Matt to get ‘jocked up’. They never imagined the growth that would follow… •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Hyper Muscle •Muscle Growth •Muscle/Strength •Belly Growth •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy Added Feb 2021 4,818 words 14,692 views 4.6 stars (16 votes)
Big changes by Ziel [ ] 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. •Cock Growth •Huge Balls •Hyper Cock •Hyper Cum •Incest •Twins •Christmas •Easter •Gay Pride •Halloween •Valentine's Day •Stories with Images Added Dec 2013 Updated Jun 2021 11 parts 68,272 words 76,475 views 4.6 stars (22 votes)
Bigger issues by muscl4life [ ] 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? •Always Hard •Cock Growth •Huge Cock •Hyper Cock •Multi-abs •Straight to Gay •Muscle Growth •Muscle/Strength •Muscle Worship •Size Increase •Series Added Dec 2013 6 parts 46,984 words 120,795 views 3.9 stars (21 votes)
Ben gets huge by spacevlad [ ] 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. •Hyper Cum •Muscle Growth •Muscle Gut •Muscle/Strength •Man Scent •Giants •Plausible Size Difference •Size Increase Added Jun 2016 8 parts 17,849 words 53,795 views 4.3 stars (42 votes)
Becoming the ultimate man by musclestory [ ] •Cock Growth •Huge Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Voice Deepening •Giants •Size Increase •Getting Hairy Added Aug 2003 4,561 words 77,002 views 4.3 stars (18 votes)
Empire by LenZelig [ ] 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. •Cock Growth •Huge Cock •Self-suck •Straight to Gay •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Age Difference •Bestiality •First Time/Virgin •Incest •Brothers •Father/Son •Twins •Bisexual •Hetero Sex •Nonconsensual change •Sex-Slave •Shared Body •Aliens •Space Travel •Witch/Warlock/Wizard •Thanksgiving •Mind Control •Series Added Apr 2019 Updated May 2021 40 parts 365,561 words 119,158 views 3.4 stars (5 votes)
Alpha Logan claims a beta by Eric Aaldersen [ ] Shortly after becoming an alpha, Brian’s younger brother Logan sites a beta of his own while working out in the local gym. •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle/Strength •Gradual Change •Incest •Brothers •Hyper Pheromones •Supernatural •Series •M/M Added Dec 2021 4,961 words 3,176 views 5.0 stars (6 votes)
Alpha product series by Chet Boner [ ] 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! •Cock Growth •Huge Balls •Hyper Cum •Nipple Cum •Muscle Growth •Muscle/Strength •Age Difference •Incest •Brothers •Father/Son •Stories with Images Added May 2017 Updated May 2019 19 parts 23,227 words 67,703 views 4.4 stars (40 votes)
The beefening by Benjamin Skipper [ ] Spencer's roommates have been growing into huge hulking beasts, focused on working out, having sex… and now, turning Spence into one of them! •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle Gut •Muscle/Strength •Plausible Size Difference •Size Increase •Getting Hairy •Dom/Sub •Nonconsensual change Added Feb 2018 2,274 words 40,354 views 4.6 stars (30 votes)
Bloody pumpkin fuckers by NaughtyKitchenware [ ] Three frat bros go into the dark forest on Halloween. The blood moon shining on a wild pumpkin patch promises growth and transformation. •Always Hard •Cock Growth •Cockfucking •Huge Balls •Huge Cock •Nipcocks •Prehensile Cock •Hyper Cum •Nipple Cum •Multi-balls •Multicock •Multiarm •Multipec •Stacking •Wings •Getting Dumber •Straight to Gay •Hyper Muscle •Muscle Breast •Muscle Growth •Stretchy •Increased Libido •Transformation •Getting Taller •Giants •Plausible Size Difference •Size Increase •Human to Animal/Anthro •Getting Hairy •Hyper Tongue •Tongue Growth •Mouthcock •Tailcock •Plants •Anthro/Furry •Dragons •Werewolves •Supernatural •Halloween •M/M/M Added Oct 2021 7,196 words 5,507 views 4.9 stars (9 votes)
The need to obey by Musiker [ ] 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. •Cock Shrinking •Huge Balls •Huge Cock •Nipcocks •Nosecock •Multicock •Multiarm •Multilimb •Gender Swap •Other Mental Changes •Straight to Gay •Muscle/Strength •Crotchhead •Body Parts in Strange Places •Ass Growth •Belly Growth •Foot Growth •Getting Taller •Giants •Plausible Size Difference •Size Decrease •Size Increase •Getting Hairy •Suggestion •Bisexual •Hetero Sex •Cock Cage •Dom/Sub •Sex-Slave •Immortality •M/M •M/M/M Added May 2019 Updated Nov 2021 10 parts 55,956 words 24,667 views 4.8 stars (16 votes)
Be careful what you wish for by Tereshky [ ] “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. •Cock Growth •Huge Balls •Huge Cock •Straight to Gay •Immobility •Muscle Growth •Muscle/Strength •Age Regression •Nonconsensual change Added Feb 2020 Updated Jun 2021 9 parts 42,479 words 42,380 views 4.8 stars (15 votes)
The good freak by Also Known As [ ] 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... •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Increase •Infectious •M/M •M/M/M •M/t •t/t •t/t/t Added Nov 2002 33 parts 33,508 words 40,390 views 4.9 stars (22 votes)
Tank the bouncer by spacevlad [ ] 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. •Straight to Gay •Muscle Growth •Muscle Gut •Muscle/Strength •Man Scent •Giants •Plausible Size Difference •Size Increase •Getting Fatter •Destruction/Violence •Nonconsensual change •Rape Added Jun 2016 Updated Aug 2016 18 parts 34,977 words 49,756 views 4.1 stars (29 votes)
Damien by bulkscribe [ ] 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. •Muscle Growth •Belly Growth •Getting Taller •Giants •Plausible Size Difference •Size Increase •Getting Fatter Added Aug 2020 Updated Dec 2020 5 parts 16,482 words 21,757 views 5.0 stars (17 votes)
A meteoric rise by TheMuscleMaker [ ] Whilst fleeing from their trio of bullies, a group of four friends stumble across a very big (and very strange) discovery. A tale of love, revenge, betrayal and (of course) massive growth ensues. •Cock Growth •Huge Balls •Hyper Cum •Multi-balls •Multicock •Multilimb •Wings •Muscle Growth •Muscle Theft •Muscle Worship •Foot Growth •Giants •Destruction/Violence •Dom/Sub •Humiliation •Sex-Slave •Absorption •Merging •Demons •Incubus/Succubus •M/M Added Nov 2021 1,455 words 3,396 views
Sam and Bolt by Alakazam1988 [ ] Sam’s father, Bolt, shares with his size-hungry son the secrets of becoming truly huge. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Nipcocks •Self-suck •Cum inflation •Hyper Cum •Nipple Cum •Getting Taller •Size Increase •Getting Hairy •Age Difference •Incest •Father/Son •Infectious •M •M/M •M/M/M/... Added Sep 2016 Updated Dec 2016 11 parts 48,242 words 65,574 views 3.7 stars (56 votes)
The hulk pill by JayPat [ ] The only thing weirder than your buddy Boz offering you a “hulk pill” would be for it to actually work. •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Nanotech •Infectious Added Oct 2012 5 parts 29,485 words 75,686 views 4.6 stars (24 votes)
Santa’s big surprise by Silverfox Dad [ ] Jeremy has not only been obsessed with Santa, he's seen him and knows he's real. So when a friend at the gym gives him a muscle-growth supplement meant to give him confidence enough to talk to his beautiful bodybuilder crush Marco, Jeremy decides instead to give Santa a gift of his own. •Muscle Growth •Muscle/Strength •Size Increase •Infectious •Christmas •Series •M/M Added Jan 2017 3 parts 7,594 words 15,197 views 4.9 stars (11 votes)
Cursed cocks by CockTFBoi [ ] 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. •Cock Growth •Cock Shrinking •Cum inflation •Hyper Cum •Public Orgasm •Female to Male •Addiction •Straight to Gay •Muscle Growth •Man Scent •Increased Libido •Gradual Change •Getting Hairy •Hairless •Nonconsensual change •Hyper Pheromones •M/M •M/M/M/... Added Aug 2020 8 parts 25,154 words 11,798 views
The heart is a muscle by Mikeytron [ ] 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. •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle Gut •Muscle/Strength •Gradual Change •Plausible Size Difference •M/M Added Jun 2021 Updated Jul 2021 6 parts 38,553 words 19,316 views 4.9 stars (55 votes)
Pollination by Absman420 [ ] The beginning of the most erotic alien invasion/muscle growth story… ever! •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Aliens Added Oct 2020 5,867 words 6,289 views 4.9 stars (14 votes)
Genie world journey by Quick Master [ ] A human man named Nathan discovers a world of genies, oni, and other magical creatures on a quest to recreate the lost world of magic. •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Public Orgasm •Multicock •Hyper Strength •Muscle Growth •Muscle/Strength •Muscle Worship •Transformation •Getting Taller •Giants •Plausible Size Difference •Size Increase •Human to Animal/Anthro •Race Transformation •Shared Body •Anthro/Scaly •Mermen •Djin/Jinn/Genie •Ghosts •Orcs •Satyrs •Supernatural •M/M •M/M/M •M/M/M/... Added Nov 2021 Updated Dec 2021 9 parts 47,729 words 5,334 views
Male scent by Frank Easky [ ] Apprentice magician Sean’s potion exceeds his expectations, causing his personal musk to spread muscle growth to those who smell it. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Hyper Muscle •Muscle Growth •Muscle/Strength •Man Scent •Getting Taller •Giants •Size Increase •Age Regression •Getting Hairy •Incest •Brothers •Twins •Hyper Pheromones •Infectious Added Jul 2002 2 parts 13,564 words 50,213 views 4.0 stars (15 votes)
Bending the straight boys by iciss [ ] 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. •Cock Growth •Huge Cock •Public Orgasm •Straight to Gay •Muscle Growth •Muscle/Strength •Getting Handsomer •First Time/Virgin •Incest •Brothers •Twins •Nonconsensual change •Infectious •M/M •M/M/M Added Jan 2008 2 parts 11,063 words 58,664 views 4.7 stars (37 votes)
Just a little bigger by Dream Big [ ] 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. •Cock Growth •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •Increased Libido •Breast Expansion •Gradual Change •Transformation •Getting Taller •Bisexual •Hetero Sex •M/F •M/M •M/M/F Added Dec 2019 Updated Mar 2020 15 parts 31,368 words 23,035 views 4.7 stars (15 votes)
More than expected by LennoxBear [ ] 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. •Cock Growth •Huge Balls •Huge Cock •Cum Milking •Nipple Cum •Muscle Breast •Muscle Growth •Muscle/Strength •Getting Hairy •First Time/Virgin •Nonconsensual change •Infectious Added Jul 2002 5 parts 20,375 words 84,154 views 4.2 stars (18 votes)
Best birthday ever by TheSizeKing [ ] Zac is already above average. But when his birthday comes around, he gets everything he wishes for and then some. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Muscle/Strength Added Feb 2020 5 parts 14,872 words 20,791 views 5.0 stars (29 votes)
Another big morning by Thatbadwriter [ ] It never fails. You’re sitting there on the living room floor with your cereal trying to watch some TV, when your dad comes down and decides Saturday morning is the perfect time to start growing and getting himself off. And then your horny brother comes home… •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Giants •Size Increase •Incest •Brothers •Father/Son •Destruction/Violence Added Nov 2020 1,226 words 12,928 views
Morphed male bulge freaks by TitMorpher [ ] The future world of muscle cock bodybuilders becomes competitive, but top-seed Biff is especially amazed to pose off against someone who’s as hugely cocked as him without having had any augmentation down there at all. •Cock Growth •Muscle/Strength •Plausible Size Difference •Stories with Images Added Dec 2012 Updated Apr 2015 2 parts 4,889 words 57,226 views 3.8 stars (5 votes)
Cave on the Moon by brazboy [ ] First contact? A large cave is identified on the Moon. It is apparently ancient, but also not at all natural. Humans, curious as ever, sent a team of astronauts to investigate it. What they find changes everything, and everyone, forever… •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Public Orgasm •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Increased Libido •Getting Taller •Giants •Plausible Size Difference •Size Decrease •Destruction/Violence •Nonconsensual change •Aliens •Androids •Space Travel •M •M/M •M/M/M Added Nov 2021 3 parts 9,726 words 4,808 views 4.3 stars (8 votes)
The lucky accident by Alakazam1988 [ ] An accident at the skate park leads to a treatment for Luke’s balls that not only heals them but starts them growing, and pretty soon it’s not just his balls that are bigger. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Hyper Muscle •Muscle Growth •Muscle/Strength •Giants •Size Increase •Getting Hairy Added Sep 2019 7,269 words 26,687 views 4.8 stars (8 votes)
Changing Nick by BRK [ ] 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. •Always Hard •Huge Cock •Multi-abs •Multicock •Multihead •Multiarm •Multileg •Multilimb •Three Legs •Multipec •Replication •Stacking •Straight to Gay •Muscle Growth •Muscle/Strength •Size Increase •App •Retcon •Nonconsensual change •Merging •Witch/Warlock/Wizard •M/M •M/M/M •M/M/M/... Added May 2013 Updated Apr 2020 16 parts 59,149 words 96,144 views 4.6 stars (34 votes)
Adam’s first growth spurt by MDS [ ] Adam comes home from a day of being bullied at school to find he definitely won't have to worry about anything like that after today. •Huge Cock •Muscle Growth •Muscle/Strength •Giants •Size Increase •Incest •Brothers Added Nov 2016 2,350 words 41,251 views 4.3 stars (14 votes)
Abyssus Abbey by Pen Darke [ ] 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. •Self-suck •Multicock •Straight to Gay •Muscle Growth •Muscle/Strength •Belly Growth •Transformation •Size Increase •Anthro/Scaly •Demons •Incubus/Succubus •Ogres •Satyrs •Witch/Warlock/Wizard •Fantasy Realm •Horror •Supernatural •Series Added Feb 2020 Updated May 2020 17 parts 124,798 words 16,069 views 4.9 stars (77 votes)
Addiction by Hatman [ ] “… I gotta have more! I need more! Give… me… MORE!” pleads our young scientist. •Cock Growth •Huge Cock •Cum inflation •Hyper Cum •Hyper Anus •Stretchy Added May 2010 1,916 words 26,311 views 3.8 stars (8 votes)
Basically a god by CurlyJin [ ] What do you do when the kid you bullied in high school becomes a god? •Cock Growth •Huge Balls •Hyper Cock •Hyper Cum •Getting Taller •Giants •Size Increase •Bisexual •Hetero Sex •Lycra/Spandex •Space Travel •Superhero •Flying •X-Ray Vision Added Jul 2016 Updated Jun 2019 9 parts 31,027 words 67,169 views 4.3 stars (22 votes)
Ben’s escapades by Kaelan [ ] 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? •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Nipple Cum •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers Added Feb 2018 Updated Jun 2018 9 parts 33,606 words 47,075 views 4.7 stars (34 votes)
Anomalous Materials Research Facility 3‑DL by Mad Dog and Gurak [ ] 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. •Cock Growth •Huge Cock •Hyper Cock •Multicock •Multihead •Multilimb •Male Pregnancy •Transformation •Size Increase •Anthro/Furry •Centaurs •Demons •Orcs Added Sep 2019 Updated Mar 2020 6 parts 32,475 words 17,459 views 4.9 stars (23 votes)
The salt by RdyRoger [ ] 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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Increased Libido •Gradual Change •Getting Taller •Size Increase •Tongue Growth •Incest •Brothers •Series Added Jun 2010 9 parts 35,754 words 74,631 views 4.7 stars (19 votes)
Acclimating by Dream Big [ ] 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. •Cock Growth •Huge Cock •Muscle/Strength •Pointy Ears •Transformation •Plausible Size Difference •Demons •Witch/Warlock/Wizard •Fantasy Realm •Shapeshifting •M/M •M/M/M Added Mar 2020 Updated Nov 2021 41 parts 40,366 words 19,941 views 5.0 stars (25 votes)
Muscle milk by Alakazam1988 [ ] That new muscle drink in the gym vending machine does wonders for your pecs, though maybe not in the way you expect. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Nipcocks •Hyper Cum •Nipple Cum •Immobility •Muscle Breast •Muscle Growth •Getting Taller •Plausible Size Difference •Size Increase Added Jun 2020 2,352 words 13,668 views 5.0 stars (8 votes)
Just 25 cents by Tym Greene [ ] A chubby greaser is having a rotten day. Luckily he runs across a mysterious prize dispenser that only costs a quarter to use…” •Wristfeet •Transformation •Human to Animal/Anthro •Metabods 25 •NS Added Jan 2022 2,871 words 593 views
No reason by Alakazam1988 [ ] At the gym, Pascal notices that not only is are his pecs getting huge, but his nips are showing under his hoodie more than they should. •Huge Cock •Nipcocks •Nipple Cum •Muscle Breast •Muscle Growth •Muscle Gut •Muscle/Strength •Size Increase •Christmas •M/M Added Jan 2017 3,736 words 29,188 views 4.8 stars (15 votes)
Tell me about my boner by BRK [ ] The gag tee shirt with a provocative slogan seemed like a good idea when he’d ordered it during a late-night stroke session, but now that it’s here it seems intent on changing his life in ways he might not be ready for. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Self-suck •Suggestion •M Added Oct 2019 Updated Dec 2021 4 parts 10,675 words 16,900 views 4.9 stars (21 votes)
Enlargement by Boston Guy [ ] A medical engineer develops nanotechnology that could cure the world of multiple diseases. But his true motivation is not so noble. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Hyper Anus •Increased Libido •Gradual Change •Transformation •Size Increase •Nanotech •Nonconsensual change •Infectious Added May 2013 Updated Jun 2013 5 parts 14,943 words 46,254 views 4.5 stars (23 votes)
Moocows by Meddler Incs [ ] Cody's world is turned upside down when he is faced with a twisted coach and his followers. •Cum Milking •Nipple Cum •Muscle Growth •Muscle/Strength •Human to Animal/Anthro •Nonconsensual change •Hypnosis •Mind Control •M/M/M/... Added Jan 2017 Updated Nov 2021 6 parts 10,857 words 26,841 views 4.8 stars (30 votes)
The Zeke chronicles by Sean Reid Scott [ ] 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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Getting Taller •Age Difference •Incest •Father/Son •Dom/Sub •M/M •M/M/M Added Jul 2013 Updated May 2017 7 parts 27,675 words 40,596 views 4.4 stars (17 votes)
Musclove, Texas by Max Mann [ ] 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). •Cock Growth •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Age Difference •First Time/Virgin •Incest •Brothers •Father/Son •Twins •Restraints Added Sep 2004 9 parts 26,085 words 60,148 views 4.7 stars (46 votes)
A Christmas miracle by Unknown [ ] What’s Santa packing as a Christmas gift for scrawny Tim? In Tim’s dreams, it’s muscle, for starters. •Muscle Growth •Muscle/Strength •Christmas •M •M/M Added Jun 2002 2 parts 2,160 words 22,620 views 4.8 stars (6 votes)
Cow-boy by JKL [ ] Where does milk come from if cows are not raised as livestock? You're about to become the source. •Cock Growth •Nipple Cum •Muscle Breast •Muscle Growth •Belly Growth •Getting Taller •Size Increase •Human to Animal/Anthro •Getting Hairy •Inflation Added Jan 2019 1,606 words 25,148 views 4.5 stars (13 votes)
Coach’s big surprise by MuscleMike [ ] Josh is struggling to keep up with the rest of the wrestling team, and he’s afraid to get cut. Luckily, a former student of Coach Smith sends him something that’ll make them both become the men they’ve always dreamed of becoming. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Muscle •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Age Progression •Getting Hairy •Age Difference Added Feb 2020 2 parts 2,597 words 19,347 views 4.7 stars (16 votes)
Supermen by Also Known As [ ] 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. •Cock Growth •Hyper Cock •Multicock •Muscle Growth •Muscle/Strength •Muscle Worship •Getting Handsomer •First Time/Virgin •Hyper Pheromones •Flying •Series Added Oct 2002 9 parts 76,817 words 76,204 views 4.1 stars (15 votes)
Lumberjacked by Krisiar [ ] 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. •Cock Growth •Huge Cock •Hyper Cock •Prehensile Cock •Self-suck •Nipple Cum •Multi-abs •Addiction •Muscle Growth •Muscle/Strength •Getting Handsomer •Getting Hairy Added Aug 2011 Updated Oct 2011 4 parts 12,081 words 85,681 views 4.6 stars (26 votes)
Karma pills by Musiker [ ] 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. •Cock Growth •Cock Shrinking •Cockless •Huge Balls •Huge Cock •Hyper Cum •Getting Dumber •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Hyper Anus •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Dom/Sub •Humiliation •Nonconsensual change •Sex-Slave •Bodily Fluids •Anthro/Furry •Mind Control Added Jun 2019 Updated Jul 2019 5 parts 24,186 words 22,096 views 3.8 stars (17 votes)
University admythion by Tym Greene [ ] It’s 1958, and a new university student is getting ready for his first day of classes…too bad he read that old spellbook his father gave him… •Public Orgasm •Multihead •Muscle Growth •Public Nudity •Belly Growth •Transformation •Size Decrease •Size Increase •Human to Animal/Anthro •Getting Fatter •Retcon •Merging •Anthro/Furry •Centaurs •Anthro/Scaly •Dragons •Ogres •Supernatural •Early/Mid 20th Century •M/M •M/M/M Added Nov 2021 11,365 words 2,435 views
Alpha by CharitysSongbird [ ] 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. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Muscle Growth •Muscle/Strength •Transformation •Getting Taller •Size Increase •Dom/Sub •Anthro/Furry •Werewolves Added Aug 2018 14,259 words 32,815 views 4.6 stars (10 votes)
Knighthood by Architect of Men [ ] As young squire Sebastian celebrates becoming a real knight, he has only one misgiving: his scrawny stature compared to his new compatriots. Fortunately, his mentor has laid plans to help him overcome this problem. •Cock Growth •Muscle Growth •Getting Handsomer •Getting Hairy •Fantasy Realm •M Added Nov 2021 Updated Dec 2021 3 parts 3,848 words 7,417 views 4.9 stars (12 votes)
Jizzer by Ziel [ ] Ethan drags his roommate Walt off to the woods on the outskirts of town to search for their mutual friend. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Hyper Muscle •Immobility •Muscle Growth •Muscle/Strength •Giants •Size Increase •Infectious •Horror •M/M Added Oct 2021 2,426 words 5,157 views 4.5 stars (6 votes)
What a dear deer boy by Thatbadwriter [ ] Eric’s undersized brother Jayden finally hits his growth spurt—then keeps hitting it. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Ass Growth •Giants •Plausible Size Difference •Size Increase •Human to Animal/Anthro •First Time/Virgin •Incest •Brothers •Hyper Pheromones •Anthro/Furry Added Feb 2021 Updated Mar 2021 5 parts 12,430 words 14,530 views 5.0 stars (13 votes)
Crack the code by screamingmoist [ ] A man uses a super computer to write more than mere programs. •Cock Growth •Cock Shrinking •Muscle Growth •Ass Growth •Size Decrease •Retcon •M/M •M/M/M/... Added Nov 2021 4,409 words 3,786 views
Coach Barker by Argenti [ ] Coach Travis Barker has a special gift, and when he shares this gift with Adam, change begins to unfold around them. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Straight to Gay •Muscle Growth •Muscle/Strength •Getting Taller •Giants •Plausible Size Difference •Size Increase •Infectious Added May 2019 Updated Jun 2019 9 parts 18,987 words 29,740 views 4.9 stars (23 votes)
Bulking by Proteus [ ] Sometimes, when people have a crush on their hunky roommate, they act on it by secretly trying to make the guy progressively hotter. •Muscle Growth •Muscle Gut •Muscle/Strength •Ass Growth •Gradual Change •Getting Hairy Added Mar 2013 6 parts 7,143 words 42,254 views 4.7 stars (15 votes)
Ever growing by Alakazam1988 [ ] An account of what it’s really like to have a dick that keeps growing and growing and growing, sometimes fast, sometimes slow, but always more than you expect. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Bisexual •Hetero Sex Added Sep 2016 4,842 words 30,191 views 4.1 stars (14 votes)
The six pack by Cris Kane [ ] 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. •Cock Growth •Cock Shrinking •Huge Cock •Gender Swap •Butch-to-Fem •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Ass Growth •Belly Growth •Increased Libido •Getting Handsomer •Gradual Change •Transformation •Getting Taller •Size Decrease •Size Increase •Age Progression •Age Regression •Race Transformation •Getting Hairy •Getting Fatter •Destruction/Violence •Series Added Sep 2018 9 parts 38,564 words 20,441 views 4.9 stars (10 votes)
Graham by Giant Worshipper and westone tiny [ ] •Size Increase Added Nov 2009 Updated Dec 2010 10 parts 55,178 words 87,007 views 4.7 stars (21 votes)
Mimbo drops by Absman420 [ ] 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. •Cock Growth •Huge Cock •Getting Dumber •Straight to Gay •Muscle Growth •Muscle/Strength •Transformation •Nonconsensual change •Rape •Mind Control Added Jul 2011 2 parts 13,794 words 45,527 views 4.7 stars (30 votes)
Muscle milk tit freaks by TitMorpher [ ] •Nipple Cum •Muscle Breast •Muscle Growth •Muscle/Strength •Muscle Worship •Stories with Images Added Sep 2011 Updated Jun 2012 9 parts 27,090 words 97,820 views 3.8 stars (8 votes)
Public relations by Maximilian [ ] 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. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle Gut •Muscle/Strength •Getting Taller •Giants •Plausible Size Difference •Size Decrease •Size Increase •Getting Hairy •Destruction/Violence •Restraints •Witch/Warlock/Wizard •Gay Pride Added Jun 2015 Updated Apr 2019 18 parts 124,954 words 57,732 views 4.7 stars (39 votes)
That’s a really huge cock, bro by Luke B. [ ] Just a down and dirty story about one jock stud finding out his muscle-bound jock buddy is hung like a mule—and growing. •Cock Growth •Huge Cock •Hyper Cock •Straight to Gay •Muscle Growth •Muscle/Strength •All Dialog Added Nov 2016 3,726 words 38,526 views 4.7 stars (33 votes)
Muscle seduction by Azerreza [ ] 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? •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Multi-abs •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Plausible Size Difference •Size Increase •First Time/Virgin •M/M Added Aug 2021 Updated Sep 2021 3 parts 35,026 words 10,801 views 4.8 stars (10 votes)
So much cum by Delinqual [ ] Cory has a condition that causes him to produce extremely abnormal amounts of semen. It’s not always fun, but it has led to some very memorable moments. •Hyper Cum Added May 2012 2,165 words 126,338 views 4.3 stars (16 votes)
Bear’s den by Pfefferooney [ ] 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. •Cock Growth •Cockfucking •Huge Balls •Huge Cock •Hyper Cock •Nipple Cum •Muscle Growth •Muscle/Strength •Belly Growth •Size Increase •Getting Hairy •Infectious Added Mar 2019 Updated May 2019 3 parts 9,022 words 25,072 views 4.9 stars (9 votes)
Mutant by Marquis de Rent [ ] Tom discovers that he is a mutant with the power to grow men that have sex with him. College jock Chris decides to take advantage of it. •Cock Growth •Huge Cock •Hyper Cock •Straight to Gay •Immobility •Muscle Growth •Muscle/Strength •Giants •Size Increase •Superhero Added Oct 2016 4,202 words 42,991 views 4.9 stars (26 votes)
Frank’s gym by Writ Bro [ ] Alec finds out more about what it means to be one of Frank’s bitches—and having his growth under Frank’s control. •Cock Growth •Huge Cock •Muscle Breast •Muscle Growth •Muscle/Strength •Dom/Sub •Sex-Slave •M/M •M/M/M Added May 2014 Updated Mar 2015 7 parts 22,108 words 49,846 views 4.6 stars (38 votes)
Alpha Luke and the wrestling team by Eric Aaldersen [ ] Luke finds another beta mate on his wrestling team and his sexual energy infects the whole team during a special match! •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle Growth •Muscle/Strength •Gradual Change •Hyper Pheromones •Supernatural •Series Added Aug 2020 6,920 words 8,331 views 5.0 stars (10 votes)
Little bro by Ziel [ ] Hunky big bro Liam has always teased his puny kid brother Connell. But after his accident, Connell got some experimental treatments that are guaranteed to change who calls who the “little bro” from now on. •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Giants •Size Increase •Incest •Brothers Added Apr 2017 5,382 words 35,884 views 4.7 stars (15 votes)
Morphogenic steroids by RdyRoger [ ] 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. •Cock Growth •Huge Balls •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •Infectious Added Oct 2019 4 parts 15,297 words 17,383 views 4.4 stars (11 votes)
Domination by dunnyboy [ ] 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. •Cock Growth •Huge Cock •Hermaphrodite •Muscle Growth •Muscle/Strength •Man Scent •Size Increase •Getting Hairy •Dom/Sub Added Feb 2017 17,095 words 38,151 views 4.6 stars (29 votes)
The Benefactor by Proteus [ ] The Benefactor bestows favor on those he deems worthy, whether they like it or not. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Immobility •Muscle Growth •Muscle Gut •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Nonconsensual change •Supernatural Added Jan 2020 Updated Apr 2021 14 parts 15,351 words 26,910 views 4.8 stars (17 votes)
Dick note by Thorn [ ] Waking up from an odd dream, Forest awakens to find something is in his backpack. •Cock Growth •Huge Cock Added Jan 2021 Updated Jun 2021 6 parts 31,185 words 17,691 views 5.0 stars (19 votes)
Meat by Mikeytron [ ] You are what you eat. A horror story for Halloween. •Cock Growth •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Gradual Change •Halloween •NS Added Oct 2021 5,527 words 4,676 views 4.9 stars (16 votes)
Skin tight by Dream Big [ ] 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. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Hyper Tongue •A.I.-Controlled Change •Nanotech •Hyper Pheromones Added Apr 2019 Updated Oct 2020 23 parts 37,778 words 39,518 views 4.5 stars (38 votes)
Mass X by Max Mann [ ] Five short stories of men getting bigger and sexier, through the use of “Mass X”. •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Getting Hairy •Age Difference •Incest •Father/Son •Christmas •New Year's Eve Added Feb 2005 5 parts 19,019 words 38,669 views 4.7 stars (16 votes)
Moon of masculinity by WhiteShadow [ ] The moon... always shining down from above during the darkest of nights. Some say it has powers of its own, while others claim that it is just a catalyst of some other natural order. I wonder what Anthony would say. •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Getting Hairy •M/M Added Jan 2017 2,498 words 14,354 views 4.7 stars (9 votes)
They’re really sensitive now by spacevlad [ ] Burly musclebear daddy Josh gets his nipples pierced, which makes them extra sensitive...and leads to some BIG unexpected benefits! •Muscle Growth •Muscle/Strength •Giants •Plausible Size Difference •Size Increase •Getting Fatter •Series Added Nov 2016 Updated Apr 2017 2 parts 5,742 words 20,770 views 4.5 stars (12 votes)
Nightmare at the Pump House Gym by UberPump [ ] 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. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Hyper Muscle •Immobility •Muscle Growth •Muscle/Strength •Halloween •M •M/F •M/M Added Oct 2020 Updated Sep 2021 5 parts 18,313 words 19,537 views 4.9 stars (10 votes)
Anything to grow by Big Bull Trainer [ ] There are some with an unquenchable desire to not only grow, but to grow to unnaturally large proportions, and will go to any lengths to do it. This is a story of just such a person. •Getting Dumber •Immobility •Muscle Growth •Muscle/Strength •Transformation •Size Increase Added Aug 2016 7,815 words 37,205 views 4.5 stars (14 votes)
The time we had by Cockatrice [ ] A nature spirit enters the life of two lonely men, providing company and emotional support. •Inanimate to Human •Plants •Supernatural •Christmas •M/M Added Dec 2021 5,179 words 498 views
52E by BRK [ ] Richie is finally going to get to see his boyfriend in Wales after six months apart. He’s not looking forward to folding his 6-foot-6 frame into a middle seat in the back of coach for the long Transatlantic haul, but Gareth might have discovered something that will make his flight a little easier. •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Increased Libido •Gradual Change •Transformation •Getting Hairy •Witch/Warlock/Wizard •M •M/M Added Dec 2021 3,027 words 4,007 views 4.2 stars (5 votes)
Bottom mega-alfa by Jerkoffcentral [ ] 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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Getting Hairy •Dom/Sub •Nonconsensual change •Werewolves Added Nov 2014 Updated Dec 2017 8 parts 21,520 words 63,845 views 4.7 stars (52 votes)
No limits by Corwin [ ] There’s a secret serum that makes you super-muscled and super-strong, but what you do with that—that’s all you. •Cock Growth •Huge Cock •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle Theft •Muscle/Strength •Muscle Worship Added Mar 2020 7 parts 21,446 words 15,498 views 4.4 stars (5 votes)
Y-M-C-Gay by M.M.69 [ ] An ordinary guy with an extraordinary ability gets the guy of his dreams. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Public Orgasm •Extra digits •Multi-abs •Multicock •Multihead •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Three Legs •Multitongue •Multitorso •Replication •Straight to Gay •Muscle Growth •Public Nudity •Getting Handsomer •Gradual Change •Getting Taller •Retcon •Suggestion •Incest •Father/Son •M/M •M/M/M Added Nov 2021 2,646 words 3,012 views 4.6 stars (8 votes)
Carlos Bunda and the billion-dollar dildo by brazboy [ ] Carlos Bunda is Brazil’s number 1 secret agent, and is about to embark on a tense mission: rescuing the last of the four billion-dollar dildos which were lost after the fall of the Soviet Union. The task to retrieve this invaluable weapon sends him to Paris where he encounters Julien Monet, a former member of the French communist party who wants the power of the dildo for himself, not to mention the “bears”—a trio of Russian assassins desperate to recover their national secret weapon. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Increased Libido •Getting Taller •Giants •Plausible Size Difference •Size Increase •M/M •M/M/M Added Dec 2021 2 parts 9,240 words 2,138 views
Frat boys, bro!! by Seth Peterson [ ] What happens when a handsome boy and his buddy finds some frat boy pills? Sick bulky results, BRO!! •Huge Balls •Huge Cock •Getting Dumber •Muscle Growth •Muscle Gut •Muscle/Strength •Belly Growth •Size Increase •Getting Hairy •Getting Fatter Added Jan 2018 2,556 words 32,523 views 3.9 stars (36 votes)
Love/shift by BRK [ ] 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. •Muscle Growth •Muscle/Strength •Always Shirtless •Man Scent •Gradual Change •Transformation •Size Increase •Getting Hairy •Age Difference •Incest •Father/Son •Werebears •Supernatural •Series •M/M Added Dec 2017 Updated Apr 2019 11 parts 68,079 words 35,815 views 4.8 stars (31 votes)
Modern rites by red_king [ ] 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. •Cock Growth •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Muscle Breast •Muscle Growth •Hyper Anus •Ass Growth •Getting Handsomer •Transformation •Plausible Size Difference •Size Increase •Destruction/Violence •Restraints •Supernatural •Immortality Added Dec 2018 Updated Jun 2019 15 parts 45,417 words 25,798 views 4.6 stars (32 votes)
Basso profundo by BRK [ ] Andrew hates how puberty had been a lot kinder to his studly, alpha male jock roommates. Even his voice is higher. All that changes with a belated puberty upgrade—especially the part about his voice. •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Voice Deepening •Getting Hairy •Suggestion •Mind Control •M/M Added Jan 2021 2,030 words 9,903 views 4.7 stars (13 votes)
Doing what you love by brazboy [ ] Henrique wants to live his life doing what he loves—a life without worries, a life of being useful. In another time he might have become a monk, but to him what that truly means is to become an object. •Huge Cock •Human to Cock •Immobility •Transformation •Human to Inanimate •Dom/Sub •Restraints •M/Inh •M/M Added Dec 2021 5,478 words 1,539 views
Growth school by Writ Bro [ ] 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. •Cock Growth •Huge Cock •Muscle Breast •Muscle Growth •Muscle/Strength •Dom/Sub •Restraints •Sex-Slave •Lycra/Spandex Added Jun 2018 Updated May 2019 12 parts 55,825 words 49,123 views 4.6 stars (21 votes)
Death and rebirth by NaughtyKitchenware [ ] Being a menace towards nature is not that great to begin with, but what happens when it strikes back? •Always Hard •Huge Balls •Huge Cock •Human to Cock •Hyper Cock •Self-suck •Always Cumming •Hyper Cum •Nipple Cum •Muscle Growth •Muscle/Strength •Increased Libido •Transformation •Getting Taller •Giants •Size Increase •Nonconsensual change •Vore •Absorption •Satyrs •M/M •M/M/M Added Oct 2021 2,521 words 3,785 views
The acolytes by Richard Jasper [ ] It all started with an arm-wrestling contest. Blond surfer god Mike Schnelling, 5’10”, 175 lbs., wanted to take me on. Which was fine but I had 50 lbs. on him, all muscle. We never could have imagined how it would all turn out! •Cock Growth •Huge Cock •Hyper Cock •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Getting Hairy Added Aug 2020 7 parts 8,050 words 11,477 views 4.3 stars (9 votes)
The Ixlutani by Lloyd Irving [ ] 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. •Cock Growth •Cut to Uncut •Cock Shrinking •Cock Theft •Huge Cock •Straight to Gay •Muscle Theft •Muscle/Strength •Increased Libido •Transformation •Getting Taller •Plausible Size Difference •Size Decrease •Size Increase •Bisexual •Hetero Sex •Supernatural Added Jun 2021 Updated Aug 2021 9 parts 54,489 words 12,793 views 4.9 stars (21 votes)
Stories to tell in the dark by Thorn [ ] Sean discovers a book that is filled with some surprising stories. •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle Gut •Ass Growth •Belly Growth •Voice Deepening •Getting Taller •Size Increase •Getting Fatter •Inflation Added Apr 2021 2 parts 9,685 words 9,797 views 4.8 stars (26 votes)
Don’t talk about me! by jewelbee [ ] What if one day, everything someone said about you became true? Everything someone says to your face, whether lie, sarcasm, joke, hyperbole… would change you. 18 year old campus douche Nick learns this the hard way, faced with a curse after he led on the wrong girl. How will he get rid of the curse, and more importantly… just how much will he change in the meantime? •Public Orgasm •Straight to Gay •Belly Growth •Getting Fatter •Retcon •Suggestion •Incest •Father/Son •Nonconsensual change Added Aug 2020 Updated Jul 2021 3 parts 4,348 words 10,071 views 4.9 stars (41 votes)
Hulkster and Hoppy by Also Known As [ ] 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. •Cock Growth •Huge Cock •Muscle Growth •Man Scent •Increased Libido •Getting Handsomer •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Witch/Warlock/Wizard Added Feb 2021 Updated Jul 2021 23 parts 118,666 words 21,926 views 4.9 stars (54 votes)
What a little confidence can do by TheSizeKing [ ] 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… •Cock Growth •Cock Shrinking •Cock Theft •Huge Balls •Huge Cock •Muscle Growth •Muscle Theft •Getting Taller •Size Increase •Dom/Sub Added Feb 2020 4 parts 11,715 words 15,443 views 5.0 stars (19 votes)
Gaining roommates by Alakazam1988 [ ] Ben’s enormous gut seems like it can’t get any bigger. Does that sound like a challenge to you? •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Getting Taller •Size Increase •Getting Fatter •Vore Added May 2020 5,341 words 11,388 views 4.2 stars (9 votes)
Reece’s morph by Seth Peterson [ ] The power of absorption is a nightmare for Reece...until it produces some very big results. •Muscle Growth •Muscle/Strength •Belly Growth •Plausible Size Difference •Size Increase •Getting Hairy •Getting Fatter •Vore •Absorption Added Mar 2016 Updated Dec 2020 3 parts 13,638 words 31,328 views 4.4 stars (9 votes)
Adam’s milk by Adam Zander [ ] Adam’s dreams of growing massive pec-tits like the wrestlers he admires come true—in spades. •Cock Growth •Hyper Cock •Nipple Cum •Muscle Breast •Size Increase •Set in the Future Added May 2015 2 parts 2,600 words 43,867 views 3.4 stars (18 votes)
John the wizard by RdyRoger [ ] 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. •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Getting Handsomer •Gradual Change •Getting Taller •Size Increase •Getting Hairy •Suggestion •Witch/Warlock/Wizard Added Dec 2017 Updated Sep 2019 7 parts 24,468 words 31,508 views 4.5 stars (20 votes)
The new simulation game by hyperboi [ ] 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. •Cock Growth •Cockfucking •Huge Cock •Hyper Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Incest •Brothers Added Mar 2016 5 parts 10,449 words 22,533 views 4.7 stars (17 votes)
The locker room thief by CockTFBoi [ ] Riley, a personal trainer, heads into the gym to get ready for his first client of the day. Things take a strange turn when his client, Ethan, suggests a new exercise regimen. •Cock Growth •Cock Shrinking •Cock Theft •Muscle Growth •Muscle Theft •Getting Taller •Size Decrease •Size Increase Added Jan 2021 3,234 words 9,001 views 4.9 stars (7 votes)
Daddy’s boy by Seth Peterson [ ] What happens when a cocky, overly narcissistic businessman oversteps courtesy? Why, muscle-growing, mind-altering, submission-inducing karma, of course! •Cock Growth •Huge Cock •Nipple Cum •Getting Dumber •Straight to Gay •Muscle Breast •Muscle Growth •Muscle/Strength •Getting Hairy •Dom/Sub •Humiliation Added Jun 2018 2,534 words 24,776 views 4.8 stars (14 votes)
Altered by Dream Big [ ] 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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Human to Animal/Anthro •Getting Hairy •Nonconsensual change •Restraints •Hyper Pheromones Added Jan 2020 Updated Dec 2020 6 parts 10,616 words 19,934 views 4.7 stars (12 votes)
Keep your promises by NaughtyKitchenware [ ] A rock band has risen to fame overnight, although not through conventional means. When the lead singer decides to not uphold their promise to the mysterious person responsible, things start to go out of control on the night of their big concert. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Human to Cock •Cock Body •Hyper Cock •Nipcocks •Self-suck •Always Cumming •Hyper Cum •Nipple Cum •Public Orgasm •Multi-balls •Multicock •Multiarm •Multilimb •Multipec •Stacking •Wings •Hyper Muscle •Muscle Breast •Muscle Growth •Public Nudity •Pointy Ears •Stretchy •Increased Libido •Transformation •Getting Taller •Giants •Plausible Size Difference •Size Increase •Human to Animal/Anthro •Tailcock •Nonconsensual change •Merging •Anthro/Furry •Anthro/Scaly •Dragons •Demons •Satyrs •Supernatural •Flying •Alcohol Added Sep 2021 7,703 words 4,714 views 4.5 stars (6 votes)
Transform by Also Known As [ ] 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. •Cock Growth •Huge Cock •Prehensile Cock •Multicock •Muscle Growth •Muscle/Strength •Muscle Worship •Voice Deepening •Hyper Pheromones •Infectious •Flying •Series Added Oct 2002 35 parts 131,918 words 46,580 views 5.0 stars (7 votes)
The awakening by Johnny M [ ] Danny’s secret muscle-breast fantasy kink begins bleeding into the real world. •Hyper Cum •Nipple Cum •Muscle Breast •Muscle/Strength •Age Difference •Incest •Brothers •Father/Son Added Jul 2012 10 parts 24,690 words 53,418 views 4.6 stars (15 votes)
Changeday by Alakazam1988 [ ] Now that all of the changes to your body take place all at once on the same day every year, Andrew and his two college buddies are doing everything they can to make their Changedays as dramatic as possible. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Belly Growth •Getting Taller •Size Increase •Getting Hairy •Getting Fatter Added May 2020 5,212 words 7,847 views 4.8 stars (6 votes)
The formula by hyperboi [ ] 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. •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Muscle Growth •Muscle/Strength •Age Difference •Incest •Brothers •Father/Son •Twins Added Jan 2021 Updated Feb 2021 4 parts 14,631 words 18,751 views 4.9 stars (29 votes)
Influenced by BRK [ ] Dwayne is excited at having won a video chat with Mayson, the hottest of all the gorgeously-muscled fitness models and insta-hunks he follows online. Then things take strange turn when Mayson reaches into the fruit bowl next to him and pulls out a banana—an inexplicably blue banana. •Cock Growth •Huge Balls •Huge Cock •Multicock •Other Mental Changes •Muscle Growth •Muscle/Strength •Getting Taller •Tongue Growth •Retcon •Suggestion •Series •M/M Added Dec 2021 3,497 words 3,211 views 4.6 stars (5 votes)
Massive by Alex Rif [ ] James finds the superhero costume his stepson had ordered from a strange website for Halloween, and decides to try it on. •Size Increase •Body Suit •Age Difference •Incest •Father/Son •Lycra/Spandex •Halloween •Superhero •Stories with Images Added Feb 2016 2 parts 2,851 words 28,467 views 3.3 stars (13 votes)
The new job by hyperboi [ ] 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. •Cock Growth •Huge Cock •Hyper Cock •Hyper Muscle •Muscle Growth •Muscle/Strength •Gradual Change •Size Increase •Incest •Brothers •M/M Added Aug 2014 8 parts 20,447 words 32,713 views 4.6 stars (39 votes)
Mega pecs maker dosing accident by TitMorpher [ ] •Muscle Breast •Muscle Growth •Muscle/Strength •Stories with Images •Series Added Apr 2013 1,505 words 38,245 views
Seth’s life changing adventure by Navy Alpha Pup [ ] 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. •Cock Growth •Cock Shrinking •Huge Balls •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Man Scent •Voice Deepening •Destruction/Violence •Dom/Sub •Humiliation •Sex-Slave •Bodily Fluids •Alcohol •M/M Added May 2019 Updated Sep 2021 9 parts 33,904 words 17,255 views 4.9 stars (15 votes)
The accidental wizard by nolanspice [ ] Ken and Jay’s excursion into alchemy yields astounding results. •Cock Growth •Huge Cock •Replication •Muscle Growth •Muscle/Strength •Transformation •Voice Deepening •Plausible Size Difference •Size Increase •Age Regression •Race Transformation Added Jan 2006 2 parts 2,926 words 21,144 views 4.2 stars (5 votes)
Naked by Also Known As [ ] 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. •Cock Growth •Huge Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Public Nudity •Plausible Size Difference •Size Increase Added Jun 2016 10 parts 38,843 words 38,416 views 4.5 stars (29 votes)
No strings attached by muscl4life [ ] Donny walks in on his roommate, Sebastian, in the midst of his efforts to make himself bigger. •Cock Growth •Huge Cock •Hyper Cock •Cum inflation •Muscle Growth •Muscle/Strength •Size Increase •Incest •Brothers •Twins •Hypnosis Added May 2014 3 parts 39,280 words 43,130 views 4.5 stars (20 votes)
A fucking god by Jerkoffcentral [ ] A teenager is both exasperated and incredibly turned on by how his body and everything about it seems to be getting freakier and freakier. •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Muscle •Muscle Growth •Muscle/Strength •Incest •Brothers Added Mar 2019 Updated Jun 2020 2 parts 5,278 words 28,938 views 4.5 stars (18 votes)
My son, the superstud by Max Mann [ ] Thom is shocked to hear that his son Rusty has enrolled in a muscle-growth transformation experiment—and it’s already too late to stop him. •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Age Difference •Incest •Father/Son Added Oct 2003 3,842 words 106,150 views 3.9 stars (31 votes)
Daddy’s little boy by TonnyGiant [ ] Jimmie returns home from college for the summer to rediscover just how drawn he is to his massive, muscle bear stepfather. •Huge Cock •Muscle Gut •Muscle/Strength •Plausible Size Difference •Age Difference •Incest •Father/Son •Dom/Sub Added Sep 2018 Updated May 2019 2 parts 4,961 words 22,361 views 4.8 stars (9 votes)
Hypno muscle: jock dreams by Douglas Benjamin [ ] Toby and Liam have picked up a hypnotic audio tape that promises to grow their muscles. When they fall asleep to the hypnotic induction, they have a dream that seems all too real: Suddenly, they have to power to transform each other into big-muscled meatheads, flexing and posing for each other and talking like dumb jocks. Even more transformation is possible, but there is a catch. •Getting Dumber •Hyper Muscle •Muscle Growth •Muscle Theft •Muscle/Strength •Man Scent •Transformation •Getting Taller •Size Decrease •Size Increase •Human to Inanimate •Suggestion •Orcs •Hypnosis •Mind Control Added Jul 2019 4,333 words 13,467 views
Beefcake by Zero [ ] They say you are what you eat—especially true for magical foodstuffs with growth-inducing powers—and wimpy freshman Bradley is about to take a bite. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Ass Growth •Getting Handsomer •Getting Taller •Size Increase Added Feb 2021 1,591 words 9,033 views 4.5 stars (8 votes)
Anthony by Chronologious [ ] Jack is having vivid dreams about his friend. Pure imagination or a sign of what’s to come? •Cock Growth •Muscle Growth •Getting Taller •Giants •Plausible Size Difference •Size Increase •Destruction/Violence Added Mar 2021 Updated Apr 2021 6 parts 16,429 words 13,655 views 4.9 stars (15 votes)
ChristMASS by Musclesaber [ ] 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. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Muscle Growth •Belly Growth •Getting Taller •Giants •Inflation •Christmas Added Dec 2020 4 parts 9,454 words 7,206 views
Acting out by Cris Kane [ ] 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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •M/M Added Aug 2014 3 parts 24,612 words 27,882 views 4.5 stars (17 votes)
The filling by UberPump [ ] Jason has a knack for pumping his cock and balls up with air or water, reveling in the increased size before cumming it out of him. When he attends a Halloween costume party, his drunken behavior leads him to explore his personal limits at the pool. However, once he begins he can’t stop, only attracting the attention of the muscleheads around him. •Cock Growth •Cock Pumping •Cock Vore •Huge Balls •Hyper Cock •Hyper Cum •Immobility •Humiliation •Nonconsensual change •Halloween Added Oct 2020 4,045 words 8,974 views 4.9 stars (8 votes)
Business trip by BeefyDutch [ ] Bill is a hardworking guy who travels. Before he leaves for his current trip, his coworker André slips some of his new protein supplement into his coffee with some big side effects. •Cock Growth •Huge Cock •Hyper Cum •Muscle Growth •Belly Growth •Getting Taller •Size Decrease •Getting Fatter Added Aug 2021 7,889 words 6,421 views 4.6 stars (8 votes)
The gifted child by JayPat [ ] 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. •Huge Cock •Hyper Strength •Muscle Growth •Muscle/Strength •Sex-Slave Added Oct 2012 7 parts 45,420 words 44,496 views 4.5 stars (24 votes)
Random acts of muscle by Mad Dog [ ] Three stories involving Steve, a muscle-loving guy who can alter reality. •Cock Growth •Huge Balls •Huge Cock •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Belly Growth •Size Increase •Age Progression •Race Transformation •Getting Hairy •Retcon •Nonconsensual change •Christmas Added Aug 2009 Updated Dec 2010 3 parts 11,204 words 31,325 views
Curses and consequences by BRK [ ] Reading this story is a bad idea, but you can’t resist now that you know it’s cursed. •Always Hard •Cock Growth •Huge Cock •Self-suck •Always Cumming •Hyper Cum •Multi-abs •Multiarm •Multilimb •Addiction •Increased Libido •Gradual Change •Getting Taller •Retcon •Social Media •Supernatural Added Sep 2021 1,456 words 4,803 views 4.8 stars (11 votes)
Aaron by Josh Dugan [ ] No, it's not a microphone. •Huge Cock •Self-suck •Hyper Cum Added Mar 2003 708 words 22,022 views 3.8 stars (6 votes)
Click bate by Dream Big [ ] Andy didn’t remember ordering this weird butt and cock pleasuring equipment, but, hey, it looked like it might be fun to play with… •Cock Growth •Huge Cock •Hyper Cock •Self-suck •A.I.-Controlled Change •Set during the Pandemic Added Nov 2020 Updated Mar 2021 24 parts 19,898 words 15,518 views 4.9 stars (28 votes)
Beta Logan and his big brother by Eric Aaldersen [ ] Logan has difficulty controlling himself as his older brother Brian becomes a bigger and bigger stud. •Cock Growth •Cut to Uncut •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers •Hyper Pheromones •Supernatural •Series Added Jun 2020 6,499 words 13,008 views 5.0 stars (13 votes)
The salt: the gym bunny by RdyRoger [ ] •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Other Mental Changes •Muscle Growth •Muscle/Strength •Muscle Worship •Increased Libido •Getting Handsomer •Voice Deepening •Plausible Size Difference •Size Increase •Getting Hairy •Nonconsensual change •Restraints •Series Added Jun 2010 6 parts 14,393 words 11,282 views
David devolving by FanTCMan [ ] •Cock Growth •Huge Balls •Huge Cock •Getting Dumber •Straight to Gay •Muscle Growth •Muscle/Strength •Nonconsensual change Added Sep 2003 2 parts 9,538 words 38,275 views 4.8 stars (15 votes)
Sk8r dreams by Reaver [ ] 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. •Cock Growth •Huge Cock •Replication •Always Shirtless •Increased Libido •Transformation •Voice Deepening •Age Regression •Race Transformation •App •Retcon •Nonconsensual change •Infectious •Mind Control •Series Added Oct 2003 19 parts 58,830 words 35,095 views 4.2 stars (18 votes)
Geno-type by Ziel [ ] 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. •Cock Growth •Cockfucking •Huge Cock •Hyper Cock •Infectious Added Dec 2012 Updated Feb 2016 34 parts 144,288 words 94,958 views 4.3 stars (25 votes)
His cock gets huge by Jack Hardwood [ ] 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. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Increased Libido Added Dec 2017 Updated Apr 2018 8 parts 14,650 words 42,611 views 4.7 stars (29 votes)
Spice up your life by Musclesaber [ ] 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. •Cock Growth •Huge Cock •Muscle Growth •Ass Growth •Belly Growth •Getting Taller •Fourth of July •Set during the Pandemic Added Feb 2021 Updated Aug 2021 8 parts 22,174 words 19,082 views 5.0 stars (22 votes)
Tank by Corwin [ ] 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. •Huge Cock •Muscle Growth •Muscle Theft •Muscle/Strength •Bisexual Added May 2014 8 parts 26,822 words 24,415 views 4.6 stars (5 votes)
I wanna get huge by JayPat [ ] “I wanna get huge,” he said. •Muscle Growth •Muscle/Strength •Size Increase •Incest •Brothers •Christmas •Valentine's Day •Series Added Oct 2012 2 parts 21,281 words 51,832 views 4.4 stars (22 votes)
Vice (Sometimes drugs offer more than a high) by Tereshky [ ] 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. •Cock Growth •Huge Balls •Hyper Cock •Self-suck •Cum inflation •Cum Milking •Hyper Cum •Addiction •Immobility •Muscle Growth •Muscle/Strength •Belly Growth •Size Increase •First Time/Virgin •Nonconsensual change Added Jun 2018 Updated Nov 2019 5 parts 11,930 words 35,728 views 4.6 stars (29 votes)
Transform: New Blood by Also Known As [ ] 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. •Always Hard •Cock Growth •Huge Cock •Self-suck •Multicock •Muscle Growth •Muscle/Strength •Muscle Worship •Man Scent •Increased Libido •Voice Deepening •Size Increase •First Time/Virgin •Infectious •Flying •Series Added Jan 2014 47 parts 188,423 words 35,491 views
Destructive boys: Dennis’s Christmas present by MarcusB00 [ ] Christmas has come around, and Mason has plans for his #1 fan to make his Christmas even better. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Muscle Worship •Destruction/Violence •Christmas •Series •M Added Dec 2020 3 parts 3,523 words 4,043 views 4.8 stars (5 votes)
Dylan & Josh by Alakazam1988 [ ] 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. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Gradual Change •Christmas Added Apr 2019 Updated Jul 2019 16 parts 18,351 words 21,181 views 4.5 stars (29 votes)
Li’l Dude by Richard Jasper [ ] 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!). •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Increase Added May 2020 10 parts 10,503 words 4,475 views
Teen growth by Chamelion123 [ ] •Muscle Growth •Muscle/Strength Added Jul 2002 7,404 words 99,134 views 3.7 stars (23 votes)
The new guy by Also Known As [ ] A new employee causes pleasant though potentially cum-plicated problems. •Always Hard •Cock Growth •Huge Cock •Hyper Cum •Addiction •Muscle Growth •Muscle/Strength •Getting Handsomer •Nonconsensual change •Infectious •M/M •M/M/M Added Jun 2019 Updated Sep 2019 6 parts 28,047 words 21,328 views 4.7 stars (25 votes)
Away game by spacevlad [ ] College freshman Adam is the smallest guy on the football team. On an away game road trip, he gets paired up to room with Wyatt, the biggest offensive lineman on the team. Adam tries to control himself as they are forced to share a bed, but Wyatt’s massive body is hard to resist. •Muscle Growth •Muscle Gut •Muscle/Strength •Plausible Size Difference •Size Increase Added Dec 2017 2 parts 6,307 words 23,097 views 4.4 stars (17 votes)
Laundry day by Aphon [ ] 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? •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Size Increase •Getting Hairy •Humiliation •Nonconsensual change Added May 2017 Updated Dec 2019 12 parts 9,685 words 35,313 views 4.3 stars (19 votes)
Titanification by JayPat [ ] •Huge Cock •Hyper Strength •Muscle Growth •Muscle/Strength •Giants •Size Increase •Destruction/Violence Added Oct 2012 8 parts 29,739 words 30,810 views 4.5 stars (11 votes)
Wedding swap by squatch [ ] Another wedding alone, until you employ a service that makes it interesting. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Getting Taller •Plausible Size Difference •Size Increase •Retcon •Bisexual •Hetero Sex •Body Swap •Shared Body •M/F •M/M Added Nov 2021 2 parts 5,013 words 4,134 views 5.0 stars (7 votes)
Bull’s gene by Opin [ ] Dean goes on a date with Henry, a huge professor, whose strength exceeds every expectations… •Hyper Cum •Hyper Strength •Muscle Growth •Muscle Gut •Muscle/Strength •Muscle Worship •Getting Taller •Plausible Size Difference •Size Increase Added Aug 2020 Updated Apr 2021 5 parts 9,018 words 18,542 views 4.6 stars (15 votes)
The chronicles of Besar Otot by OneLuckyGuy89 [ ] 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. •Cock Growth •Huge Cock •Hyper Cock •Multicock •Gender Swap •Straight to Gay •Muscle Growth •Muscle/Strength •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Age Progression •Getting Hairy •Age Difference •Incest •Brothers •Father/Son •Nonconsensual change •Hyper Pheromones Added Jan 2020 Updated May 2021 8 parts 25,601 words 12,799 views
More than advertised by LookinToGrow [ ] Two men meet at the gym one day, and both hope to become even bigger and stronger then they once were. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Plausible Size Difference •Size Increase •M/M Added Jan 2017 Updated Nov 2018 4 parts 4,732 words 19,226 views 4.9 stars (9 votes)
Bet you can’t have just one by Ziel [ ] Vincent was given pretty clear instructions with the new growth supplement his pal invented: “Only take one pill.” •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Giants •Size Increase Added May 2017 5,605 words 28,308 views 4.8 stars (8 votes)
Alpha fitness by Genetonic [ ] High school nerd Jeff keeps getting bullied by muscle jock Travis… until he has a lucky encounter with the new ‘Alpha’ brand clothing line. •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Humiliation Added Mar 2021 2,712 words 8,833 views 4.3 stars (8 votes)
Muscle daddy by bulgeCanon and [ ] Meeting the freakishly huge roommate, Mark, is crazy enough—and that’s before finding out that Mark’s dad is even bigger. •Huge Cock •Hyper Cock •Self-suck •Muscle Growth •Muscle Gut •Muscle/Strength Added Nov 2018 Updated Nov 2019 2 parts 5,769 words 21,098 views 3.8 stars (13 votes)
The application by SuperWaffle [ ] 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. •Muscle Growth •Muscle/Strength •Muscle Worship •Size Increase •Getting Hairy •App •Anthro/Furry Added Apr 2015 8 parts 44,454 words 41,139 views 4.9 stars (21 votes)
Cool bracelet, bro by BRK [ ] 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. •Always Hard •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Multicock •Multihead •Multiarm •Multileg •Multilimb •Three Legs •Multipec •Stacking •Muscle Growth •Muscle/Strength •Retcon •Suggestion •Incest •Brothers •t/t •t/t/t Added Feb 2014 Updated Mar 2018 5 parts 16,745 words 59,885 views 4.6 stars (47 votes)
Nature’s bloom by Noam de Pluma [ ] Although the hibiscus was in full flower, Vance was not. Fortunately for him, a faery-enchanted clocktower in the Botanical Gardens was about to remedy that problem for him. And his dick. And his muscles. And his… •Cock Growth •Huge Balls •Huge Cock •Public Orgasm •Straight to Gay •Muscle Growth •Getting Taller •Size Decrease •Getting Hairy •Retcon •Nonconsensual change •M/M Added Nov 2021 4,621 words 3,592 views 4.5 stars (10 votes)
The perfect fit by TheSizeKing [ ] 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. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Getting Taller •Gay Pride •M/M Added Jun 2020 Updated Aug 2020 5 parts 14,385 words 19,261 views 4.7 stars (21 votes)
Secret Santa by BRK [ ] 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. •Cock Growth •Huge Cock •Multi-abs •Multiarm •Multileg •Multilimb •Three Legs •Replication •Muscle Growth •Muscle/Strength •Always Shirtless •Incest •Brothers •Christmas •Series •M/M •M/M/M/... Added Dec 2016 3 parts 15,182 words 13,293 views 5.0 stars (12 votes)
True muscle god by mf81 [ ] An encounter with a strange artifact from the ancient Aegean leads Richard to a divine encounter. •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Destruction/Violence Added Mar 2006 Updated Feb 2011 3 parts 7,686 words 76,302 views 4.8 stars (35 votes)
Unexpected growth spurt by rusalko [ ] 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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Plausible Size Difference •Size Increase Added Dec 2012 Updated Feb 2017 6 parts 10,737 words 51,914 views 5.0 stars (9 votes)
Derek’s rebirth by muscl4life [ ] 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. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Nipple Cum •Straight to Gay •Muscle Growth •Muscle/Strength •Giants •Plausible Size Difference •Size Increase •Age Difference Added Nov 2018 3 parts 11,737 words 25,379 views 4.6 stars (16 votes)
The expedition by BRK [ ] 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. •Always Hard •Cock Growth •Huge Cock •Multicock •Multihead •Boytaur •Lots of Legs •Multiarm •Multileg •Multilimb •Three Legs •Multitongue •Replication •Stacking •Hyper Strength •Muscle Growth •Muscle/Strength •Always Shirtless •Increased Libido •Getting Taller •Giants •Plausible Size Difference •Size Decrease •Size Increase •Tongue Growth •Age Difference •Infectious •Centaurs •M/M Added Jul 2021 Updated Nov 2021 12 parts 23,537 words 8,268 views 4.8 stars (10 votes)
Becoming a muscle god by Corwin [ ] Mike discovers what it's like to become a muscle god, and how awesome it is to turn the tables on the coach who’d thought he’d get to dominate the newly-grown Muscle Mike. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Giants •Size Increase •Dom/Sub Added Apr 2018 3,083 words 24,586 views 4.6 stars (9 votes)
The power of bondage by Writ Bro [ ] A curious sub encounters a strict BDSM master who sees a lot of potential in the young man’s currently ordinary appearance. •Huge Cock •Muscle Breast •Muscle Growth •Muscle/Strength •Dom/Sub •Humiliation •Restraints •Sex-Slave •M/M Added Aug 2016 Updated Mar 2018 9 parts 16,340 words 28,327 views 4.6 stars (19 votes)