A list of all stories live on the site.
1,812 stories found, sorted by total page view count. Total word count: 16,640,180.
by Max’s wish Bulge101 Cock CockUp Infect Musc MuscUp 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. SizeUp Added Aug 2011 Updated Nov 2011 11 parts 24,647 words 257,169 views 4.5 stars (69 votes) by Above average Ziel AssUp Cock CockUp HyCock HyCum HyMusc Musc MuscUp 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. Retcon Added Apr 2013 Updated Dec 2018 28 parts 130,435 words 213,553 views 4.5 stars (87 votes) by Medicine show Fafhrd Bi Cock CockUp Het HyCock Infect Lycra Self Virgin Series Added Feb 2012 Updated Feb 2014 174 parts 250,271 words 181,020 views 4.5 stars (20 votes) by Spice Mr. X AgeDiff Cock CockUp Dad Grad HairUp Musc MuscUp Scent SizeUp In this epic story, the transformative powers of a certain substance are tested by a couple of very horny guys. Worship Added Oct 2009 Updated Nov 2019 50 parts 221,027 words 178,385 views 4.5 stars (53 votes) by Jason’s big problem Joven Balls Bro Cock CockUp HyCock HyCum Musc MuscUp SizeUp 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. TallUp Added Oct 2013 Updated Nov 2017 49 parts 114,700 words 156,469 views 4.5 stars (74 votes) by All good things Anon Amon 2Gay Balls Bro Cock CockUp CumInf HyCock HyCum Immob Infect Musc MuscUp NipCum 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. Twins Added Feb 2017 Updated Oct 2020 104 parts 119,339 words 155,280 views 4.5 stars (122 votes) by Puberty is a bitch Lover Boy 2 Cock CockUp Grad HyCock MuscUp SizeUp Added Sep 2009 11 parts 14,585 words 134,861 views 4.2 stars (26 votes) by Brother-in-law Jock Cock Added May 2006 12,744 words 131,731 views 4.7 stars (92 votes) by Mind and body BRK AlwHard NoShirts 2Gay XCock Bro Cock CockUp Hypno Mind Musc MuscUp SizeUp Sugg 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. TallUp Added Jun 2012 Updated Jul 2017 16 parts 66,227 words 127,328 views 4.7 stars (91 votes) by So much cum 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. HyCum Added May 2012 2,165 words 122,583 views 4.3 stars (16 votes) by Bigger issues muscl4life AlwHard 2Gay XAbs Cock CockUp HyCock Musc MuscUp SizeUp Worship 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? Series Added Dec 2013 6 parts 46,984 words 114,662 views 3.7 stars (19 votes) by Empire LenZelig 2Gay AgeDiff Alien Beast Bi Bro Cock CockUp Dad Het Mind Musc MuscUp Nonc Self Share SizeUp Slave Space TallUp Tksg Twins Virgin 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. Series Added Apr 2019 Updated May 2021 40 parts 365,561 words 112,903 views 4.8 stars (38 votes) by My son, the superstud Max Mann AgeDiff Dad Musc 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. MuscUp Added Oct 2003 3,842 words 102,713 views 3.8 stars (28 votes) by My roommate LenZelig AgeDiff Bi Bro Cock CockUp Dad Dom Het Mind Musc MuscUp Virgin Bill’s hot adventures with his irresistible sex-god of a roommate, Andy Wang. Series Added Jul 2002 Updated Oct 2019 9 parts 113,042 words 102,579 views 4.9 stars (57 votes) by Huge changes: Book one RdyRoger 2Gay Cock CockUp Hallow Musc MuscUp SizeUp Todd’s love for his straight best friend turns them both into their fantasies of each other—with a little help from an old lady at a Halloween costume shop. Series Added Apr 2012 Updated Dec 2017 5,887 words 101,011 views 3.7 stars (16 votes) by Baby brother Shawn D. Stewart Bro CockUp Musc MuscUp "Kev, did you see a glass here?” “Whoa, man, was that yours? Sorry… I was really thirsty…” “You drank it!?” Aaaaand off we go! TallUp Added Mar 2003 2,879 words 100,194 views 4.3 stars (32 votes) by Magic cock Anonymous Cock CockUp HyCock Added Apr 1997 3 parts 6,064 words 100,095 views 4.3 stars (10 votes) by The dudes BRK AlwHard Cock CockUp Musc MuscUp Retcon Self SizeUp 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 Sugg is true. Added Mar 2010 Updated Mar 2016 7 parts 15,936 words 99,784 views 4.6 stars (32 votes) by Teen growth Chamelion123 Musc MuscUp Added Jul 2002 7,404 words 95,996 views 3.7 stars (23 votes) by Forced growth hyperboi Cock CockUp HyCock Musc MuscUp Nonc Added Oct 2013 5 parts 6,397 words 94,352 views 4.3 stars (44 votes) by Muscle milk tit freaks TitMorpher Images MusBr Musc MuscUp NipCum Worship Added Sep 2011 Updated Jun 2012 9 parts 27,090 words 93,692 views 3.8 stars (8 votes) by Morphed muscle tit freaks TitMorpher MusBr Musc MuscUp Later in the 21st century, the bodybuilding world fragmented into separate interest groups. Traditional contests still took place, but they were less popular in the face of new contests that centered around special fetishes, such as bodybuilders with huge cocks or enormous muscle tits. NipCum Added Jan 2011 Updated Jan 2012 3 parts 7,939 words 92,487 views by Geno-type Ziel Cock CockUp HyCock 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. Infect Added Dec 2012 Updated Feb 2016 34 parts 144,288 words 91,615 views 4.3 stars (25 votes) by Changing Nick BRK AlwHard 2Gay XAbs XArms XCock XHead XLeg XLimb XPec 3Legs Cock Merg Musc MuscUp Nonc Rep Retcon SizeUp 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. Stack Added May 2013 Updated Apr 2020 16 parts 59,147 words 90,780 views 4.6 stars (34 votes) by The brothers FanTCMan AlwHard 2Gay Addict Bro Cock CockUp Grad HairUp Musc Cory Callahan and his three sibs participate in a secret program, resulting in more muscles, body hair, cock size, and horniness. MuscUp Added Mar 2003 8 parts 22,620 words 88,695 views 4.8 stars (87 votes) by Graham Giant Worshipper SizeUp Added Nov 2009 Updated Dec 2010 10 parts 55,178 words 82,618 views 4.7 stars (21 votes) by Lumberjacked Krisiar XAbs Addict Cock CockUp GLUp HairUp HyCock Musc MuscUp NipCum 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. Self Added Aug 2011 Updated Oct 2011 4 parts 12,081 words 80,874 views 4.6 stars (25 votes) by 17 inches Unknown Bro Cock Added Mar 2009 3,639 words 80,689 views 4.4 stars (19 votes) by More than expected LennoxBear Balls Cock CockUp CumMilking HairUp Infect MusBr Musc MuscUp NipCum Nonc Virgin Added Jul 2002 5 parts 20,375 words 78,275 views 4.2 stars (16 votes) by Danny’s dick Zot57 Cock CockUp HyCock Added Feb 2010 10 parts 7,661 words 76,420 views 4.1 stars (21 votes) by True muscle god mf81 Balls Cock CockUp Musc MuscUp An encounter with a strange artifact from the ancient Aegean leads Richard to a divine encounter. Viol Added Mar 2006 Updated Feb 2011 3 parts 7,686 words 72,727 views 4.8 stars (35 votes) by Becoming the ultimate man musclestory HairUp Musc MuscUp Added Aug 2003 4,561 words 72,040 views 4.2 stars (17 votes) by Charles’s monster Locky Cock CockUp HyCock Jason saw Charles' monster in high school. Three years later, there's even more to see. SizeUp Added Aug 2006 1,748 words 71,983 views 4.1 stars (31 votes) by Supermen Also Known As XCock CockUp Fly GLUp HyCock HyPher Musc MuscUp Virgin Worship 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. Series Added Oct 2002 9 parts 76,818 words 71,478 views 4.1 stars (15 votes) by The hulk pill JayPat Cock Infect Musc MuscUp Nano The only thing weirder than your buddy Boz offering you a “hulk pill” would be for it to actually work. SizeUp Added Oct 2012 5 parts 29,485 words 69,843 views 4.6 stars (23 votes) by Oh man BRK XArms XCock XLimb Cock CockUp Musc MuscUp Rep Retcon A simple website called your-body-like-that dot com lets you imagine how you’d look with a whole new body. Only it doesn’t stop at imagination. Self Added Jul 2010 Updated Nov 2017 5 parts 13,270 words 69,699 views 4.5 stars (19 votes) by The salt RdyRoger Bro Cock CockUp Grad Musc MuscUp SizeUp TallUp Worship 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. Series Added Jun 2010 9 parts 35,754 words 69,443 views 4.7 stars (17 votes) by Big changes Ziel Balls CockUp Eas Hallow HyCock HyCum Images Twins ValDay 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. Xmas Added Dec 2013 Updated Oct 2020 10 parts 62,899 words 69,285 views 4.6 stars (21 votes) by Chuck, the size thief spacevlad Absorb FatUp Giant Gut Musc MuscDn MuscUp Nonc PSD SizeUp Chuck, a middling-sized construction worker who wishes he were bigger, finds a way to grow huge. Viol Added Jun 2017 Updated Dec 2017 16 parts 42,078 words 67,542 views 4.5 stars (21 votes) by Mutation BRK XArms XCock XLeg XLimb XPec 3Legs 4Legs Cock CockUp HyCock Rep Everyone in Portia, Alaska has been grown thicker and stronger and made irresistibly beautiful, but none more than the teens in the high school. Geek genius Mr. Lewis tries to roll back the most extreme changes in Mr. Casey’s class as a test case, but the trial doesn’t go anywhere near as planned. Stack Added Jun 2010 Updated Jul 2018 4 parts 9,583 words 64,866 views 4.9 stars (14 votes) by Big is better XH4M Cock Demons Hypno Musc MuscUp NipC Pete and Sam experience epic growth, unexpected adventures, and sweet romance. Virgin Added Oct 2003 32 parts 111,493 words 64,373 views 4.1 stars (13 votes) by Hard body Also Known As Balls Cock CockUp Dom Musc MuscUp SizeUp Tf 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. Worship Added Oct 2016 Updated Oct 2019 14 parts 75,283 words 63,685 views 4.3 stars (77 votes) by Brad’s big change FanTCMan GLUp Musc MuscUp Added Dec 2002 5 parts 16,500 words 63,643 views 4.6 stars (24 votes) by Ad man FanTCMan 2Gay Cock CockUp HairUp HyCock HyCum Infect Musc MuscUp 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. Nonc Added Dec 2003 8,642 words 62,198 views 5.0 stars (28 votes) by Basically a god CurlyJin Balls Bi CockUp Fly Giant Het HyCock HyCum Lycra SizeUp Space Super What do you do when the kid you bullied in high school becomes a god? TallUp Added Jul 2016 Updated Jun 2019 9 parts 31,027 words 61,972 views 4.5 stars (21 votes) by Alpha product series Chet Boner AgeDiff Balls Bro CockUp Dad HyCum Images Musc MuscUp 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! NipCum Added May 2017 Updated May 2019 19 parts 23,227 words 61,136 views 4.2 stars (37 votes) by Danny gets big StudMscl Musc Danny is unexpectedly given some brown paper packets that are supposed to turn him into everything he wishes he were. He quickly learns that changing your body changes your life in unexpected ways. MuscUp Added Nov 2003 3 parts 9,501 words 60,009 views 4.5 stars (15 votes) by Bottom mega-alfa Jerkoffcentral Cock CockUp Dom HairUp Musc MuscUp Nonc SizeUp 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. Were Added Nov 2014 Updated Dec 2017 8 parts 21,520 words 59,866 views 4.7 stars (51 votes) by Sam and Bolt Alakazam1988 AgeDiff Balls Cock CockUp CumInf Dad HairUp HyCock HyCum Infect NipC NipCum Self SizeUp Sam’s father, Bolt, shares with his size-hungry son the secrets of becoming truly huge. TallUp Added Sep 2016 Updated Dec 2016 11 parts 48,242 words 59,414 views 3.7 stars (55 votes) by Second puberty JayPat Bi Cock CockUp HyPher Musc MuscUp SizeUp Viol 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. Series Added Sep 2012 15 parts 91,454 words 58,853 views 4.8 stars (28 votes) by Basement full of muscleboy gods Krisiar XAbs XCock XLeg XLimb 4Legs Btaur Cock CockUp Musc MuscUp Wrestler Oliver scores some pills that are supposed to bring on muscle growth, and decides to share them with his best buds after a match. NipCum Added May 2011 2,124 words 57,713 views 4.3 stars (12 votes) by Blessing or curse Ultra GMan Balls Cock CockUp MuscUp John has something a lot of guys would kill for: a cock that gets bigger when you have certain kinds of sex. But that’s not all it’s cracked up to be… and the change isn’t always for the better. Self Added Jan 2012 Updated Apr 2012 18 parts 50,288 words 56,385 views 4.8 stars (25 votes) by Cool bracelet, bro BRK AlwHard XArms XCock XHead XLeg XLimb XPec 3Legs Bro Cock CockUp HyCock Musc MuscUp Self Stack 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. Sugg Added Feb 2014 Updated Mar 2018 5 parts 16,748 words 56,054 views 4.6 stars (45 votes) by Musclove, Texas Max Mann AgeDiff Bond Bro CockUp Dad HyCock Musc MuscUp Twins 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). Virgin Added Sep 2004 9 parts 26,085 words 55,819 views 4.7 stars (44 votes) by Metaboi BRK AlwHard XAbs XArms XCock XHead XLimb XPec XTongue Cock HyCum Merg MuscUp PSD Rep Retcon Stack Swap TallUp Tksg There’s a special clothing store that caters especially to the meta boi. If you’re their kind of customer you already know it—or you’ll soon find out. Series Added Jun 2010 Updated Nov 2017 8 parts 31,338 words 55,416 views 4.8 stars (16 votes) by The gene gene RdyRoger Cock CockUp GLUp Musc MuscUp Race SizeUp When other guys’ spunk transforms you into a totally different, much hotter guy, you learn there are lots of possibilities for fun—if you’re careful. Worship Added Oct 2011 6 parts 32,071 words 54,961 views 4.5 stars (24 votes) by Bull’s strength muscl4life AlwHard XAbs XCock AgeDiff Balls Beast Cock CockUp Dad Fly HyCock Infect Musc MuscUp PSD SizeUp TallUp Tf Viol 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. Worship Added Jul 2018 Updated Oct 2018 28 parts 88,398 words 54,737 views 4.8 stars (30 votes) by Mustering up Krisiar 2Gay XAbs XLimb Balls CockUp HyCock Musc MuscUp NipCum Retcon Jonas finds a terrible-smelling cologne that unexpectedly makes anything he says come true. Naturally he exploits this to make him and his friends hotter and more hung, but he soon loses control and takes things to extremes. Sugg Added Jul 2011 2 parts 5,992 words 54,465 views 4.4 stars (18 votes) by Being big BigBoy Cock Musc MuscUp Added Jul 2002 953 words 54,424 views 2.3 stars (22 votes) by Public relations Maximilian Bond Cock CockUp Giant Gut HairUp HyCock HyCum Musc MuscUp PSD SizeDn SizeUp TallUp 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. Viol Added Jun 2015 Updated Apr 2019 18 parts 124,957 words 53,466 views 4.7 stars (37 votes) by Bending the straight boys iciss 2Gay Bro Cock CockUp Musc MuscUp Twins 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. Virgin Added Jan 2008 2 parts 11,063 words 53,399 views 4.7 stars (33 votes) by Morphed male bulge freaks TitMorpher Cock Images 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. Musc Added Dec 2012 Updated Apr 2015 2 parts 4,889 words 52,830 views 3.8 stars (5 votes) by Speedo transformation bruce Cock CockUp Musc MuscUp Symb That castmate in your high school play with the hot cock, great body, and perfect ass has a secret: special Speedos. And he’s very willing to share. Tf Added Feb 2009 2,096 words 51,682 views 3.8 stars (13 votes) by Matched pairs Jerkoffcentral Bi Bro Cock CockUp Musc MuscUp Self Peter becomes infected, not just with growth, but with a need for more strength and size. Virgin Added Oct 2013 Updated Jun 2016 14 parts 42,000 words 51,318 views 4.8 stars (28 votes) by The awakening Johnny M AgeDiff Bro Dad HyCum MusBr Musc Danny’s secret muscle-breast fantasy kink begins bleeding into the real world. NipCum Added Jul 2012 10 parts 24,690 words 50,156 views 4.6 stars (15 votes) by Alpha House NBCK99 Cock CockUp HyPher Musc A collection of young guys take part in a reality series where the action includes everyone spinning a wheel and getting random body changes. MuscUp Added Mar 2015 Updated May 2015 3 parts 11,941 words 49,594 views 4.7 stars (80 votes) by I wanna get huge JayPat Bro Musc MuscUp SizeUp ValDay Xmas “I wanna get huge,” he said. Series Added Oct 2012 2 parts 21,281 words 49,208 views 4.4 stars (19 votes) by Centurion of light Ravine Mountain XAbs Cock CockUp Demons HyCock HyCum Musc MuscUp NipC NipCum SizeUp A great new story in which a centurion, Marcus, and five of his best men are transformed by the god Mars—and charged with a mission. Twins Added May 2014 Updated Jan 2019 12 parts 38,226 words 48,805 views 4.9 stars (47 votes) by Unexpected growth spurt rusalko Cock CockUp Musc MuscUp PSD 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. SizeUp Added Dec 2012 Updated Feb 2017 6 parts 10,737 words 48,540 views 5.0 stars (8 votes) by Damian and the three muscleteens hyperboi 2Gay AgeDiff Bro Cock CockUp Dad HyCock Infect Musc MuscUp Twins Added Dec 2012 5 parts 8,169 words 47,582 views 4.4 stars (25 votes) by Frank’s gym Writ Bro Cock CockUp Dom MusBr Musc MuscUp Alec finds out more about what it means to be one of Frank’s bitches—and having his growth under Frank’s control. Slave Added May 2014 Updated Mar 2015 7 parts 22,108 words 47,477 views 4.5 stars (36 votes) by Side effects Braun1 AlwHard Cock CockUp Musc MuscUp SizeUp Added Feb 1997 7 parts 55,669 words 47,191 views 5.0 stars (5 votes) by Ben gets huge spacevlad Giant Gut HyCum Musc MuscUp PSD Scent 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. SizeUp Added Jun 2016 8 parts 17,849 words 46,927 views 4.3 stars (40 votes) by The berries down by the creek Krisiar XAbs CockUp HyCock Musc MuscUp NipCum Jack hangs out with his friend and crush, Kurt, which leads to an encounter with a bush sporting some unusual berries. SizeUp Added May 2011 3,567 words 46,234 views 4.3 stars (9 votes) by Jeff’s story Muscle Flex Cock CockUp HyCock Lycra Musc Jeff wants muscles. He wants to be big, and the serum he found will do just that. He gets big all right, and not just his muscles. MuscUp Added Jul 2002 4 parts 8,109 words 46,234 views 4.2 stars (15 votes) by Biological inheritance Frank Easky Balls CockUp HyCock Musc MuscUp Sean discovers he had been magicked into early maturation to prevent his growth. The mage who imparted this information then attempts to set things right. Will Sean grow into his true biological inheritance? SizeUp Added Jul 2002 5,755 words 46,167 views 4.1 stars (10 votes) by An unexpected inflation UberPump 2Gay Balls Bi Bro Cock CockUp HyCum Immob Infl MuscUp 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. Nonc Added Apr 2020 Updated Apr 2021 32 parts 67,870 words 44,895 views 4.9 stars (63 votes) by Male scent Frank Easky AgeDn Balls Bro Cock CockUp Giant HairUp HyCock HyCum HyMusc HyPher Infect Musc MuscUp Scent SizeUp TallUp Apprentice magician Sean's potion exceeds his expectations, causing his personal musk to spread muscle growth to those who smell it. Twins Added Jul 2002 2 parts 13,564 words 44,718 views 4.0 stars (15 votes) by Changes in stages Writ Bro Cock CockUp Lycra Musc That box of clothes in the attic of your new rental house? Don’t pass them off to Goodwill just yet. MuscUp Added Oct 2010 Updated Jun 2011 3 parts 14,283 words 44,688 views 3.7 stars (12 votes) by Hyper active imagination Ziel CockUp Fur Giant HyCock Musc MuscUp SizeUp TallUp ValDay James’s attention wanders sometimes, usually in the direction of making the person he’s staring at not just hotter but impossibly muscled and unbelievably hyper-donged. It’s so vivid, it’s almost like it’s real... Xmas Added Oct 2013 Updated Mar 2018 4 parts 17,127 words 44,361 views 4.5 stars (22 votes) by Drug test Also Known As Cock CockUp Musc MuscUp SizeUp Added May 2011 8 parts 16,269 words 44,283 views 4.8 stars (12 votes) by Tank the bouncer spacevlad 2Gay FatUp Giant Gut Musc MuscUp Nonc PSD Rape Scent SizeUp 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. Viol Added Jun 2016 Updated Aug 2016 18 parts 34,977 words 44,236 views 4.0 stars (26 votes) by Growth school Writ Bro Bond Cock CockUp Dom Lycra MusBr Musc MuscUp 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. Slave Added Jun 2018 Updated May 2019 12 parts 55,825 words 43,331 views 4.6 stars (18 votes) by A man of growing proportions crazywolf82 Balls CockUp CumInf HyCock HyCum Jacob’s cock starts to grow just as he meets a sweet guy named Kyle who seems very interested in him. Str Added Oct 2014 5 parts 9,164 words 43,178 views 4.6 stars (31 votes) by Magnetic magic Squidy Cock CockUp Musc Josh discovers his new roommate, Jack, has a powerful effect on him—especially his cock. MuscUp Added Dec 2014 Updated Sep 2016 6 parts 13,223 words 42,989 views 4.5 stars (59 votes) by Shirtbusters TFWizard AgeDiff Dad Musc MuscUp Jared, Lance, and Lance’s father Ben discover a way to bust out of their shirts, and they can’t get enough of it. SizeUp Added Oct 2005 2 parts 6,769 words 42,955 views 4.1 stars (14 votes) by Transform Also Known As XCock Cock CockUp Fly HyPher Infect Musc MuscUp Worship 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 Series Supermen. Added Oct 2002 35 parts 131,919 words 42,746 views 5.0 stars (6 votes) by Dad’s gift John Y. AgeDiff Cock CockUp For Jeff’s 18th birthday, his dad decides to give him something special and close to his heart—a donkey dick. Dad Added Mar 2004 4,994 words 42,628 views 4.6 stars (24 votes) by Ben’s escapades Kaelan Balls Bro Cock CockUp Grad HyCock HyCum Musc MuscUp NipCum 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? Self Added Feb 2018 Updated Jun 2018 9 parts 33,606 words 42,608 views 4.7 stars (31 votes) by A.I. Corwin AI Andr Bond Cock Mind Musc MuscUp Tim’s homemade A.I. software decides to help him get huge. Worship Added Dec 2013 11 parts 30,556 words 41,858 views 4.7 stars (27 votes) by Mimbo drops Absman420 2Gay Cock CockUp DumbUp Mind Musc MuscUp Nonc Rape 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. Tf Added Jul 2011 2 parts 13,794 words 41,347 views 4.7 stars (28 votes) by Enhancement program BRK AlwHard XAbs XHead XLimb XPec Cock CockUp HyCock The university’s program of offering body enhancement rewards for various kinds of scholastic and athletic achievements is very generous, and students like to have fun with the results. Mcock Added Jan 2014 Updated Jun 2018 4 parts 12,215 words 41,217 views 4.6 stars (16 votes) by Enlargement Boston Guy 2Gay Balls Cock CockUp Grad HyCock Musc MuscUp Nano Nonc SizeUp A medical engineer develops nanotechnology that could cure the world of multiple diseases. But his true motivation is not so noble. Tf Added May 2013 Updated Jun 2013 5 parts 14,943 words 40,877 views 4.6 stars (18 votes) by The gifted child JayPat Cock HyStr Musc MuscUp 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. Slave Added Oct 2012 7 parts 45,420 words 40,465 views 4.5 stars (17 votes) by American giants Jonathan Banner Cock CockUp Johnny is introduced into a world of big men who are growing enormous cocks. FootUp Added Jan 2015 7 parts 26,948 words 40,448 views 4.7 stars (49 votes) by Adam’s milk Adam Zander CockUp HyCock MusBr NipCum Adam’s dreams of growing massive pec-tits like the wrestlers he admires come true—in spades. SizeUp Added May 2015 2 parts 2,600 words 40,428 views 3.4 stars (18 votes) by Claves, the midnight marauder Ziel CockUp CumInf Fant HyCock Claves, the kingdom’s most notorious thief, has been cursed! What was meant as a means to entrap the thief and blow his cover forever backfires spectacularly as Claves ends up enjoying the curse. Now armed with a massive cock, the power to spread the curse to others, and an exhibitionist streak almost as long as his dong, Claves sets out to spread the curse and sow a little mischief and a lot of wild oats. HyCum Added Jun 2013 Updated Jan 2015 7 parts 40,994 words 40,325 views 4.1 stars (24 votes) by Freshman dreams BRK XAbs XArms XHead XLimb Cock Fly Musc MuscUp Rep SizeUp Even when he’s home sick, Stefan’s ability to dream up new transformations on his schoolmates is a big pain. Make that, especially when he’s home sick. Wings Added Mar 2009 4 parts 3,089 words 40,194 views 4.8 stars (15 votes) by Luke is growing Coolkid CockUp HyCock SizeUp Added Jun 2013 1,243 words 40,130 views 3.7 stars (10 votes) by Cock medication Jocktaur Kyle Cock CockUp HyCock Self Added Jun 2006 2,097 words 39,982 views 4.8 stars (12 votes) by No strings attached muscl4life Bro Cock CockUp CumInf HyCock Hypno Musc MuscUp SizeUp Donny walks in on his roommate, Sebastian, in the midst of his efforts to make himself bigger. Twins Added May 2014 3 parts 39,280 words 39,468 views 4.4 stars (19 votes) by His brother drains his manhood Ballmeat Bro CockDn CockUp Musc MuscDn MuscUp A younger brother drains his big, strong, overconfident older brother of his cock, balls and muscle. 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