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The alpha touch by Caliburn
198 stories found Sorted by votes Total word count: 6,655,722

Gold Star 79

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. 15 parts Added Jan 2022 Updated 4 Nov 2023 84k views 4.9 stars (201 votes) 61k words (#47) •Cock Growth•Huge Balls•Huge Cock•Straight to Gay•Muscle Growth•Butt Growth•Increased Libido•Gradual Change•Voice Deepening•Getting Taller•Size Increase•Getting Hairy•Suggestion•Hetero Sex•Dom/Sub•Nonconsensual change •M/M•M/F

grUV by quickquezzed Friends go out clubbing by the water and make a hunky new friend, Brad, who likes to swim and looks great in just a red speedo. Brad has a secret that he hadn’t planned to show his new friend, but things soon get pleasantly out of hand. Added Nov 2017 42k views 4.9 stars (170 votes) 5,910 words •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Muscle Growth•Muscle/Strength•Size Increase •M/M

The boarder by Mikeytron Atticus’s family has decided to rent the spare bedroom in their house. The new boarder turns out to be the sexiest hunk Atticus has ever seen. His life is about to change in a big way. A slow-boil coming-of-age muscle-growth romance set in the My Best Friend’s Muscles universe. 18 parts Added Feb 2023 Updated 24 Jun 2023 48k views 4.9 stars (138 votes) 86k words (#30) •Cock Growth•Cock Pumping•Huge Cock•Hyper Muscle•Immobility•Muscle Growth•Muscle Gut•Muscle/Strength•Muscle Worship•Man Scent•Belly Growth•Feeding•Getting Handsomer•Gradual Change•Voice Deepening•Plausible Size Difference•Christmas•Thanksgiving•Valentine’s Day•Complete•Alcohol •M/M•M/M/M•M/M/M/...

Think bigger by MaxMorphs Mild-mannered Kyle gains an unexpected power over his hunky friends after they all enjoy a magic show during a fateful vacation in Vegas. 24 parts Added Jun 2022 Updated 20 May 2023 94k views 4.9 stars (113 votes) 57k words (#53) •Cock Growth•Huge Cock•Hyper Cum•Getting Dumber•Straight to Gay•Immobility•Muscle Growth•Muscle Gut•Muscle/Strength•Getting Taller•Size Increase•Suggestion•Dom/Sub•Hypnosis•Complete•Stories with Images •M/M

Casey’s mancock by BRK Undersized college student Casey develops a sudden need for a cock just big enough for people to know it’s there. And between his own skills and his unwitting roommate’s, he knows just how to make it happen. 13 parts Added Jul 2022 Updated 25 Mar 2023 43k views 4.9 stars (76 votes) 48k words (#71) •Always Hard•Cock Growth•Huge Cock•Self-suck•Hyper Cum•Public Orgasm•Pec Fucking•Muscle Growth•Always Shirtless•Public Nudity•Increased Libido•Getting Handsomer•Gradual Change•Getting Taller•Forced Growth•Plausible Size Difference•Size Increase•App•Nonconsensual change•Hyper Pheromones•Infectious•Hypnosis•Mind Control •M/M•M/M/M•M/M/M/...

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… 16 parts Added Dec 2020 Updated 12 Aug 2023 67k views 4.9 stars (65 votes) 58k words (#52) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Cum inflation•Hyper Muscle•Immobility•Muscle Growth•Stretchy•Forced Growth•Size Increase•Lycra/Spandex•Rubber/Latex•Superhero/Supervillain •M/M•M/M/M

One more drop by MegaMaker A college water polo player, Rain, is having trouble keeping up with expectations after a lackluster swim season. Afraid of getting cut from his team, he finds a mystery serum that improve his performance. To his surprise it works and his improved performance gets the approval of his entire team and his coach and really attracts the attention of his friend River. Will the attention go his head? Will his team and coach find out? And… will there be any side effects caused by the use of the serum? 16 parts Added Mar 2023 Updated 20 May 2023 56k views 4.9 stars (60 votes) 48k words (#73) •Always Hard•Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Always Cumming•Hyper Cum•Public Orgasm•Multi-abs•Addiction•Straight to Gay•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle/Strength•Muscle Worship•Always Shirtless•Public Nudity•Man Scent•Butt Growth•Increased Libido•Gradual Change•Voice Deepening•Getting Taller•Forced Growth•Plausible Size Difference•Size Increase•Getting Hairy•Lycra/Spandex•Complete •M/M

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. 41 parts Added Apr 2020 Updated 10 Jun 2023 123k views 4.9 stars (60 votes) 99k words (#24) •Cock Growth•Cock Pumping•Cockfucking•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Cum Milking•Hyper Cum•Public Orgasm•Addiction•Straight to Gay•Hyper Muscle•Pec Fucking•Immobility•Muscle Growth•Muscle/Strength•Public Nudity•Increased Libido•Breast Expansion•Getting Handsomer•Voice Deepening•Getting Taller•Forced Growth•Size Increase•Inflation•App•Nanotech•Incest•Brothers•Bisexual•Hetero Sex•Nonconsensual change•Bodily Fluids•Dildos/Toys•Infectious •M/M•M/M/M•M/M/F

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. Added Dec 2003 85k views 4.9 stars (55 votes) 8,642 words •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Straight to Gay•Hyper Muscle•Muscle Growth•Muscle/Strength•Getting Hairy•Nonconsensual change•Infectious •M/M

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. 54 parts Added Jun 2019 Updated 25 Jun 2022 69k views 4.9 stars (54 votes) 119k words (#17) •Always Hard•Cock Growth•Huge Cock•Self-suck•Replication•Other Mental Changes•Muscle Growth•Muscle/Strength•Always Shirtless•Increased Libido•Gradual Change•Voice Deepening•Getting Taller•Giants•Plausible Size Difference•Size Decrease•Size Increase•Getting Hairy•Incest•Brothers•Twins•Selfcest•Nonconsensual change•Body Swap•Shared Body•Fourth of July•Gay Pride•Complete•Cannabis •M•M/M•M/M/M•M/M/M/...

Centurion of light by Ravine Mountain 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. 12 parts Added May 2014 Updated 5 Jan 2019 56k views 4.9 stars (49 votes) 38k words •Cock Growth•Huge Cock•Hyper Cock•Nipcocks•Hyper Cum•Nipple Emissions•Multi-abs•Muscle Growth•Muscle/Strength•Voice Deepening•Size Increase•Incest•Twins•Demons•Pagan gods•Ancient Era •M/M•M/M/M•M/M/M/...

Moocows by Meddler Incs Cody's world is turned upside down when he is faced with a twisted coach and his followers. 11 parts Added Jan 2017 Updated 23 Sep 2023 45k views 4.9 stars (41 votes) 22k words •Huge Cock•Cum Milking•Nipple Emissions•Muscle Breast•Muscle Growth•Muscle/Strength•Increased Libido•Gradual Change•Human to Animal/Anthro•Getting Hairy•Nonconsensual change•Hypnosis•Mind Control•Complete •M/M/M/...

Reality Pack by Thorn What happens when the program you’re working on for school has a downloadable mod? You investigate it of course! 15 parts Added Nov 2020 Updated 27 Feb 2021 53k views 4.9 stars (40 votes) 79k words (#34) •Cock Growth•Huge Cock•Pec Fucking•Muscle Breast•Muscle Growth•Muscle/Strength•Butt Growth•Belly Growth•Gradual Change•Getting Taller•Plausible Size Difference•Getting Hairy•App•Age Difference•First Time/Virgin•Incest•Brothers•Father/Son•Valentine’s Day •M/M•M/M/M

The revisualizer by BRK A set of weird controls at the tiny cable TV broadcasting studio has a lot of increasingly exciting effects on the guy in the picture. 3 parts Added Oct 2012 Updated 8 Dec 2017 42k views 4.9 stars (37 votes) 11k words •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Nipcocks•Self-suck•Nipple Emissions•Muscle Growth•Muscle/Strength•Size Increase•Getting Hairy•Nonconsensual change •M/M

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. 9 parts Added May 2019 Updated 15 Jun 2019 41k views 4.9 stars (33 votes) 19k words •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Straight to Gay•Muscle Growth•Muscle/Strength•Getting Taller•Giants•Plausible Size Difference•Size Increase•Infectious

Body game: Encounter 813 by BRK Reggie isn’t sure why the team-building get-together for the web design firm he’s working for is being held at an abandoned mall; he just knows he can’t get his sexy boss out of his mind. 9 parts Added May 2016 Updated 12 Jun 2021 41k views 4.9 stars (28 votes) 49k words (#70) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Extra digits•Multi-abs•Multicock•Multiarm•Multilimb•Multipec•Multitongue•Replication•Stacking•Muscle Growth•Stretchy•Foot Growth•Getting Taller•Plausible Size Difference•Size Increase•Getting Hairy•Hyper Tongue•Tongue Growth•Mouthcock•Incest•Brothers•Selfcest •M/M•M/M/M

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. 8 parts Added Mar 2003 113k views 4.8 stars (94 votes) 23k words •Always Hard•Cock Growth•Huge Cock•Addiction•Straight to Gay•Muscle Growth•Muscle/Strength•Gradual Change•Getting Hairy•Incest•Brothers •t/t•M/t

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). 9 parts Added Sep 2004 72k views 4.8 stars (50 votes) 26k words •Cock Growth•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Age Difference•First Time/Virgin•Incest•Brothers•Father/Son•Twins•Restraints

The bodyguards by MaxMorphs Two already huge and beautiful brothers apply for a job guarding a man who might be able to help them get even bigger. 9 parts Added Apr 2021 Updated 21 Aug 2021 47k views 4.8 stars (47 votes) 22k words •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Nipcocks•Hyper Cum•Nipple Emissions•Multicock•Hyper Muscle•Muscle Growth•Muscle Gut•Muscle/Strength•Belly Growth•Gradual Change•Plausible Size Difference•Size Increase•Inflation•Incest•Brothers•Twins •M/M•M/M/M

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. 28 parts Added Jul 2018 Updated 6 Oct 2018 88k views 4.8 stars (45 votes) 88k words (#28) •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/...

A.I. by Corwin Tim’s homemade A.I. software decides to help him get huge. 11 parts Added Dec 2013 73k views 4.8 stars (44 votes) 31k words •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/Cyborgs•Complete •M/M

The new guy by Also Known As A new employee causes pleasant though potentially cum-plicated problems. 8 parts Added Jun 2019 Updated 24 Jun 2023 39k views 4.8 stars (44 votes) 39k words •Always Hard•Cock Growth•Huge Cock•Hyper Cum•Addiction•Muscle Growth•Muscle/Strength•Getting Handsomer•Nonconsensual change•Infectious •M/M•M/M/M

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. 18 parts Added Jun 2015 Updated 27 Apr 2019 67k views 4.8 stars (44 votes) 125k words (#13) •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 •M/M

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. Added Nov 2016 49k views 4.8 stars (44 votes) 3,726 words •Cock Growth•Huge Cock•Hyper Cock•Straight to Gay•Muscle Growth•Muscle/Strength•All Dialog •M/M

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. 4 parts Added Mar 2019 Updated 8 Jul 2023 50k views 4.8 stars (41 votes) 11k words •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Cum inflation•Hyper Cum•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle/Strength•Muscle Worship•Gradual Change•Size Increase•Incest•Brothers •M/M

True muscle god by mf81 An encounter with a strange artifact from the ancient Aegean leads Richard to a divine encounter. 3 parts Added Mar 2006 83k views 4.8 stars (38 votes) 7,686 words •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle/Strength•First Time/Virgin•Pagan gods •M/M

The power of suggestion by BRK On a long bus trip, Jordan can't help using his ability to suggest physical changes on his handsome seatmate, but things soon get out of hand. Added Feb 2009 46k views 4.8 stars (37 votes) 1,878 words •Cock Growth•Huge Cock•Multicock•Replication•Muscle Growth•Muscle/Strength•Size Increase•Retcon•Suggestion•Incest•Brothers•Twins•Selfcest•Complete

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. 11 parts Added Dec 2017 Updated 27 Apr 2019 44k views 4.8 stars (36 votes) 68k words (#43) •Muscle Growth•Muscle/Strength•Always Shirtless•Man Scent•Gradual Change•Transformation•Size Increase•Getting Hairy•Age Difference•Incest•Father/Son•Werebears•Supernatural•Complete •M/M

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. 15 parts Added Sep 2012 79k views 4.8 stars (33 votes) 91k words (#26) •Cock Growth•Huge Cock•Hyper Strength•Muscle Growth•Muscle/Strength•Increased Libido•Size Increase•Bisexual•Destruction/Violence•Hyper Pheromones

Coach’s big surprise (Revised) by SomeMuscleGuy and MuscleMike Josh is struggling to keep up with the rest of his college wrestling team, and he’s afraid he will not make the cut. Luckily, a former student of his teacher, Coach Smith, is sent a package that’ll make them both become the men they’ve always dreamed of becoming—and more. 5 parts Added May 2023 Updated 29 Jul 2023 49k views 4.8 stars (30 votes) 18k words •Always Hard•Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Self-suck•Public Orgasm•Addiction•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle/Strength•Muscle Worship•Public Nudity•Increased Libido•Transformation•Voice Deepening•Getting Taller•Giants•Size Increase•Getting Hairy•Destruction/Violence•Infectious•Complete •M/M•M/M/M

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. Added Oct 2016 52k views 4.8 stars (30 votes) 4,202 words •Cock Growth•Huge Cock•Hyper Cock•Straight to Gay•Immobility•Muscle Growth•Muscle/Strength•Giants•Size Increase•Superhero/Supervillain •M/M

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. 12 parts Added Oct 2017 Updated 22 Dec 2017 54k views 4.8 stars (29 votes) 29k words •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

Visiting home by Wicked Asher spent his entire first semester working out and gaining some serious muscle, but when he returns home for winter break, he doesn’t realize that he’ll be the one amazed by how much someone can change. 2 parts Added Jan 2016 Updated 11 May 2016 41k views 4.8 stars (29 votes) 6,753 words •Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Age Difference•Incest•Father/Son•Infectious •M/M

The bet by JayPat Brandon can't believe that Derek isn't into the muscles of their fellow students like he and Peter are, and he ends up betting Peter that he'll get Derek obsessing about muscle by graduation. 4 parts Added Oct 2012 42k views 4.8 stars (27 votes) 32k words •Muscle Growth•Muscle/Strength•Size Increase•Suggestion •t/t

Blessing or curse by Ultra GMan 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. 18 parts Added Jan 2012 67k views 4.8 stars (26 votes) 50k words (#68) •Cock Growth•Huge Balls•Huge Cock•Self-suck•Muscle Growth•Dildos/Toys •M/M

No reason by MaxMorphs 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. 3 parts Added Jan 2017 Updated 5 Nov 2022 47k views 4.8 stars (26 votes) 12k words •Huge Cock•Nipcocks•Nipple Emissions•Muscle Breast•Muscle Growth•Muscle Gut•Muscle/Strength•Belly Growth•Size Increase•Christmas •M/M

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. 16 parts Added Jun 2012 Updated 28 Jul 2017 158k views 4.7 stars (103 votes) 66k words (#45) •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 •t/t•t/t/t•t/t/t...

Brother-in-law by Jock Ace, a Marine, meets and becomes enamored of his sister’s fiancé, Josh. A rare (for Metabods) tale with no alterations. Added May 2006 139k views 4.7 stars (98 votes) 13k words •Huge Cock•Muscle/Strength

Alpha House by NBCK99 A collection of young guys take part in a reality series where the action includes everyone spinning a wheel and getting random body changes. 3 parts Added Mar 2015 Updated 15 May 2015 56k views 4.7 stars (82 votes) 12k words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Hyper Pheromones

Gooed friends by Ziel The author, prompted to write about multi-limb and keen to indulge in his love for “slime boys,” offers a story rife with gooey fun, cute sappy young love, multi-limbs, consentacles and some mild muscle and junk growth for good measure. 5 parts Added Jul 2014 Updated 5 Jan 2018 46k views 4.7 stars (73 votes) 39k words (#98) •Cock Growth•Huge Cock•Multicock•Multilimb•Size Increase•Goo People•Tentacle•Halloween•Shapeshifting •M/M

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. 8 parts Added Nov 2014 Updated 22 Dec 2017 74k views 4.7 stars (58 votes) 22k words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Getting Hairy•Dom/Sub•Nonconsensual change•Werewolves •M/M

Shift by NBCK99 At first there were only a few of those abnormally tall, wildly muscular, huge-cocked, boner-inducing half-naked guys, encountered here and there on a train, in a mall, a demigod amidst the chaff. That was at first. 5 parts Added Jul 2014 Updated 30 Mar 2016 40k views 4.7 stars (58 votes) 14k words •Cock Growth•Huge Cock•Hyper Cock•Multiarm•Muscle Growth•Muscle/Strength•Plausible Size Difference•Retcon •M/M•M/M/M

American giants by Jonathan Banner Johnny is introduced into a world of big men who are growing enormous cocks. 6 parts Added Jan 2015 49k views 4.7 stars (55 votes) 27k words •Cock Growth•Huge Cock•Foot Growth •M/M•M/M/M

The blue banana by BRK Mike unknowingly eats an artifact of the universe. Added Jan 2015 39k views 4.7 stars (51 votes) 3,507 words •Always Hard•Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•Size Increase•Suggestion•Complete •M/M

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. 7 parts Added Mar 2010 Updated 2 Mar 2016 126k views 4.7 stars (47 votes) 16k words •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...

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. 18 parts Added Aug 2017 Updated 18 Dec 2021 53k views 4.7 stars (43 votes) 28k words •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Cum Milking•Straight to Gay•Muscle Growth•Size Increase•Nonconsensual change•Restraints •M/M•M/M/M/...

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? 9 parts Added Feb 2018 Updated 15 Jun 2018 59k views 4.7 stars (41 votes) 34k words •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Nipple Emissions•Muscle Growth•Muscle/Strength•Gradual Change•Incest•Brothers •M/M•M/M/M

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. 2 parts Added Jan 2008 72k views 4.7 stars (39 votes) 11k words •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

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. 18 parts Added May 2013 Updated 16 Jul 2022 115k views 4.7 stars (39 votes) 70k words (#41) •Always Hard•Cock Growth•Huge Cock•Nipcocks•Multi-abs•Multicock•Multihead•Lots of Legs•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Multitorso•Replication•Stacking•Straight to Gay•Muscle Growth•Muscle/Strength•Always Shirtless•Increased Libido•Getting Handsomer•Getting Taller•Size Increase•Tongue Growth•App•Retcon•Selfcest•Nonconsensual change•Merging•Witch/Warlock/Wizard•Invisibility •M/M•M/M/M•M/M/M/...

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. Added Feb 2017 48k views 4.7 stars (37 votes) 17k words •Cock Growth•Huge Cock•Hermaphrodite•Muscle Growth•Muscle/Strength•Man Scent•Size Increase•Getting Hairy•Dom/Sub •M/M

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. 2 parts Added Jul 2011 56k views 4.7 stars (33 votes) 14k words •Cock Growth•Huge Cock•Getting Dumber•Straight to Gay•Muscle Growth•Muscle/Strength•Transformation•Nonconsensual change•Nonconsensual sex•Mind Control •M/M

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. 8 parts Added Dec 2017 Updated 13 Apr 2018 50k views 4.7 stars (32 votes) 15k words •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Increased Libido •M/M

Matched pairs by Jerkoffcentral Peter becomes infected, not just with growth, but with a need for more strength and size. 14 parts Added Oct 2013 Updated 22 Jun 2016 62k views 4.7 stars (32 votes) 42k words (#91) •Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•First Time/Virgin•Incest•Brothers•Bisexual•Hetero Sex •M/M•M/M/F

Enchanted growth by NBCK99 When Andrelle’s questing companions succeed in finding a magical dagger, he discovers just why the artifact is so desirable. 5 parts Added Apr 2015 Updated 27 Oct 2015 44k views 4.7 stars (29 votes) 18k words •Cock Growth•Huge Balls•Hyper Cock•Muscle Growth•Muscle/Strength•Size Increase•Fantasy Realm •M/M•M/M/M

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. 5 parts Added Oct 2012 96k views 4.7 stars (29 votes) 29k words •Cock Growth•Huge Cock•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle/Strength•Size Increase•Nanotech•Destruction/Violence•Infectious•Complete •t/t

Dad’s gift by John Y. For Jeff’s 18th birthday, his dad decides to give him something special and close to his heart—a donkey dick. Added Mar 2004 51k views 4.7 stars (28 votes) 4,994 words •Cock Growth•Huge Cock•Age Difference•Incest•Father/Son

Bull’s gene by Opin Dean goes on a date with Henry, a huge professor, whose strength exceeds every expectation. 8 parts Added Aug 2020 Updated 15 Oct 2022 40k views 4.7 stars (25 votes) 12k words •Always Hard•Huge Cock•Hyper Cock•Always Cumming•Hyper Cum•Nipple Emissions•Public Orgasm•Hyper Strength•Muscle Growth•Muscle Gut•Muscle/Strength•Muscle Worship•Getting Taller•Giants•Plausible Size Difference•Size Increase •M/M

Say cheese and grow by hyperboi When Greg and his friends take a picture of themselves using a creepy camera, the resulting image shows them wildly transformed in different ways. They just think it’s a weird glitch, until it slowly starts becoming true. 13 parts Added Nov 2013 41k views 4.7 stars (25 votes) 29k words •Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•Gradual Change•Incest•Brothers •t/t•t/t/t

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. 111 parts Added Feb 2017 Updated 29 Oct 2022 217k views 4.6 stars (144 votes) 132k words (#9) •Cock Growth•Cockfucking•Huge Balls•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Nipple Emissions•Straight to Gay•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle/Strength•Giants•Size Increase•Incest•Brothers•Twins•Infectious•Pagan gods•Complete •M/M•M/M/M

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. 28 parts Added Apr 2013 Updated 8 Dec 2018 277k views 4.6 stars (106 votes) 130k words (#11) •Cock Growth•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Hyper Muscle•Muscle Growth•Muscle/Strength•Public Nudity•Butt Growth•Retcon •M/M•M/M/M•M/M/M/...

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. 11 parts Added Aug 2011 Updated 2 Nov 2011 308k views 4.6 stars (80 votes) 25k words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Infectious •M/M•M/M/M

Magnetic magic by Squidy Josh discovers his new roommate, Jack, has a powerful effect on him—especially his cock. 6 parts Added Dec 2014 Updated 30 Sep 2016 46k views 4.6 stars (60 votes) 13k words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength

The biggest dick by Ziel "For this month’s Patreon story, someone suggested I try a story about someone whose cock begins growing, but unlike in other stories, the dude’s elation slowly gives way to apprehension as his schlong exceeds the idyllic porn-star cock and slowly grows into a massive, mega-dong." Added Dec 2014 42k views 4.6 stars (40 votes) 5,550 words •Cock Growth•Hyper Cock•Muscle/Strength •M

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. 7 parts Added May 2014 Updated 6 Mar 2015 56k views 4.6 stars (38 votes) 22k words •Cock Growth•Huge Cock•Muscle Breast•Muscle Growth•Muscle/Strength•Dom/Sub•Sex-Slave•Dildos/Toys •M/M•M/M/M

Not just imagination by DarkDjin Jampson’s overactive imagination starts to grow his cop dad and his friends...and somehow not only does it become real, but the men are pretty into it. 2 parts Added Jun 2014 Updated 5 Jul 2014 41k views 4.6 stars (38 votes) 11k words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Suggestion•Age Difference•Incest•Father/Son

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. 5 parts Added Jun 2018 Updated 23 Nov 2019 44k views 4.6 stars (37 votes) 12k words •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 •M/M

A man of growing proportions by crazywolf82 Jacob’s cock starts to grow just as he meets a sweet guy named Kyle who seems very interested in him. 5 parts Added Oct 2014 53k views 4.6 stars (36 votes) 9,164 words •Cock Growth•Huge Balls•Hyper Cock•Cum inflation•Hyper Cum•Stretchy

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. 10 parts Added Jun 2016 50k views 4.6 stars (36 votes) 39k words (#97) •Cock Growth•Huge Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Public Nudity•Plausible Size Difference•Size Increase •M/M

Chuck, the size thief by spacevlad Chuck, a middling-sized construction worker who wishes he were bigger, finds a way to grow huge. 16 parts Added Jun 2017 Updated 22 Dec 2017 118k views 4.6 stars (30 votes) 42k words (#90) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Getting Dumber•Other Mental Changes•Muscle Growth•Muscle Gut•Muscle Theft•Muscle/Strength•Belly Growth•Voice Deepening•Giants•Plausible Size Difference•Size Decrease•Size Increase•Getting Hairy•Getting Fatter•Inflation•Nanotech•Destruction/Violence•Nonconsensual change•Nonconsensual sex•Absorption •M/M

The gene gene by RdyRoger 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. 6 parts Added Oct 2011 64k views 4.6 stars (30 votes) 32k words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Getting Handsomer•Size Increase•Race/Ethnicity Change

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. 5 parts Added May 2013 59k views 4.6 stars (29 votes) 15k words •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Increased Libido•Gradual Change•Transformation•Size Increase•Nanotech•Nonconsensual change•Infectious•Hyper Anus •M/M•M/M/M•M/M/M/...

Hyper active imagination by Ziel 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... 5 parts Added Oct 2013 Updated 26 Mar 2022 60k views 4.6 stars (29 votes) 21k words •Cock Growth•Hyper Cock•Muscle Growth•Muscle/Strength•Public Nudity•Getting Taller•Giants•Size Increase•Christmas•Valentine’s Day•Complete •M/M

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. 4 parts Added Aug 2011 Updated 6 Oct 2011 96k views 4.6 stars (29 votes) 12k words •Cock Growth•Huge Cock•Hyper Cock•Prehensile Cock•Self-suck•Nipple Emissions•Multi-abs•Addiction•Muscle Growth•Muscle/Strength•Getting Handsomer•Getting Hairy •M/M

Brad’s big change by FanTCMan Brad, secretly yearning for a muscle body, is nudged into action by a posting on a bulletin board. 5 parts Added Dec 2002 73k views 4.6 stars (28 votes) 17k words •Muscle Growth•Muscle/Strength•Getting Handsomer •M/M

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. 14 parts Added Dec 2013 Updated 31 Dec 2022 99k views 4.6 stars (27 votes) 74k words (#37) •Cock Growth•Huge Balls•Ball Growth•Hyper Cock•Hyper Cum•Incest•Twins•Dildos/Toys•Christmas•Easter•Gay Pride•Halloween•New Year’s Eve•Valentine’s Day•Stories with Images •M/M•M/M/M

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. 6 parts Added Feb 2014 Updated 3 Jun 2023 73k views 4.5 stars (53 votes) 20k words •Always Hard•Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Multi-abs•Multi-balls•Multicock•Multihead•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Multitongue•Stacking•Muscle Growth•Muscle/Strength•Retcon•Suggestion•Incest•Brothers •M/M/M•t/t•t/t/t

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. 23 parts Added Apr 2019 Updated 3 Oct 2020 49k views 4.5 stars (42 votes) 38k words •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•Nonconsensual change•Hyper Pheromones •M/M

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. 7 parts Added Oct 2012 52k views 4.5 stars (32 votes) 45k words (#79) •Huge Cock•Hyper Strength•Muscle Growth•Muscle/Strength•Sex-Slave

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.”) 29 parts Added Jul 2002 Updated 19 Jun 2021 158k views 4.5 stars (25 votes) 223k words (#3) •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•Complete •M/M•M/M/M•M/M/M/...•t/t•M/t•M/F•M/M/F

5.0 Stars 5

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. 6 parts Added Dec 2012 Updated 3 Feb 2017 62k views 5.0 stars (18 votes) 11k words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Plausible Size Difference•Size Increase •M/M

Finding Mark by nightwolf285 Turning 16 means lots of changes for Mark. The one he’s not expecting is the ability to change his own body. 11 parts Added Oct 2010 44k views 5.0 stars (15 votes) 29k words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase •t•t/t

The body spray by Coalth Bodybuilder Kevin, needing a little armpit spray, spots a strange brand of deodorant in the gym vending machine and decides to give it a try. 6 parts Added Mar 2013 41k views 5.0 stars (12 votes) 5,880 words •Huge Cock•Muscle Growth•Muscle/Strength•Public Nudity•Man Scent•Gradual Change•Human to Animal/Anthro•Getting Hairy•Anthro/Furry •M/M

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. 35 parts Added Oct 2002 57k views 5.0 stars (10 votes) 132k words (#8) •Cock Growth•Ball Growth•Huge Cock•Prehensile Cock•Multicock•Muscle Growth•Muscle/Strength•Muscle Worship•Voice Deepening•Hyper Pheromones•Infectious•Flying •M/M•M/M/M

Side effects by Braun1 7 parts Added Feb 1997 54k views 5.0 stars (6 votes) 56k words (#58) •Always Hard•Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase

4.5+ Stars 39

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. 8 parts Added Apr 2015 48k views 4.9 stars (24 votes) 44k words (#81) •Muscle Growth•Muscle/Strength•Muscle Worship•Size Increase•Getting Hairy•App•Anthro/Furry •M/M

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... 33 parts Added Nov 2002 49k views 4.9 stars (24 votes) 34k words •Always Hard•Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Gradual Change•Getting Taller•Size Increase•Infectious•April Fool’s Day •M/M•M/M/M•t/t•t/t/t•M/t

The djinn by hyperboi 8 parts Added Dec 2012 39k views 4.9 stars (21 votes) 14k words •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Incest•Brothers•Twins•Djin/Jinn/Genie

Mutation by BRK 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. 4 parts Added Jun 2010 Updated 27 Jul 2018 72k views 4.9 stars (20 votes) 9,583 words •Cock Growth•Huge Cock•Hyper Cock•Multicock•Four Legs•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Replication•Stacking•Selfcest

Josh’s genie by Anarchy A Bullied teen swimmer Josh uses the unexpected acquisition of a genie to try improving things at school, one daily wish at a time. 4 parts Added Oct 2015 Updated 20 Jan 2016 46k views 4.9 stars (11 votes) 8,133 words •Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Djin/Jinn/Genie •t/t

The pendant by Bulge101 Alex gets a necklace for his 18th birthday that results in some big changes for himself and his closest friend, Griffin. 3 parts Added Jun 2012 Updated 25 Jul 2012 44k views 4.8 stars (22 votes) 4,654 words •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength •M/M

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. 9 parts Added Jun 2010 85k views 4.8 stars (21 votes) 36k words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Increased Libido•Gradual Change•Getting Taller•Size Increase•Tongue Growth•Incest•Brothers

Brotherly love by Seth Peterson Two brothers get the best weekend they can imagine through the use of some very special, very wonderful powers. Rest assured, the results are BIG. Added Dec 2015 46k views 4.8 stars (19 votes) 7,666 words •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Muscle Growth•Muscle Gut•Muscle/Strength•Getting Taller•Size Increase•Incest•Brothers•Merging

Drug test by Also Known As 8 parts Added May 2011 52k views 4.8 stars (19 votes) 16k words •Cock Growth•Huge Cock•Cum inflation•Addiction•Muscle Growth•Muscle/Strength•Size Increase

Freshman dreams by BRK 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. 4 parts Added Mar 2009 45k views 4.8 stars (19 votes) 3,089 words •Huge Cock•Multi-abs•Multihead•Multiarm•Multilimb•Replication•Wings•Muscle Growth•Muscle/Strength•Size Increase•Selfcest•Nonconsensual change•Flying•Complete •t/t•t/t/t

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. 9 parts Added Feb 2020 Updated 19 Jun 2021 54k views 4.8 stars (18 votes) 42k words (#88) •Cock Growth•Huge Balls•Huge Cock•Straight to Gay•Immobility•Muscle Growth•Muscle/Strength•Age Regression•Nonconsensual change •M/M

David devolving by FanTCMan 2 parts Added Sep 2003 46k views 4.8 stars (18 votes) 9,538 words •Cock Growth•Huge Balls•Huge Cock•Getting Dumber•Straight to Gay•Muscle Growth•Muscle/Strength•Nonconsensual change

Metaboi by BRK 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. 8 parts Added Jun 2010 Updated 24 Nov 2017 65k views 4.8 stars (17 votes) 31k words •Always Hard•Huge Cock•Hyper Cum•Multi-abs•Multicock•Multihead•Multiarm•Multilimb•Multipec•Multitongue•Replication•Stacking•Muscle Growth•Getting Taller•Plausible Size Difference•Retcon•Selfcest•Body Swap•Merging•Thanksgiving •M/M•M/M/M

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. 7 parts Added Oct 2020 Updated 8 Jul 2023 40k views 4.8 stars (16 votes) 27k words •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Public Orgasm•Hyper Muscle•Pec Fucking•Immobility•Muscle Growth•Muscle/Strength•Forced Growth•Halloween •M•M/M•M/M/M•M/F

You and I by BRK and Jockmorphr When two lovers with the power to transform each other reunite after a separation, the results can be explosive. 4 parts Added Oct 2011 Updated 16 Feb 2019 42k views 4.8 stars (13 votes) 12k words •Always Hard•Cock Growth•Huge Cock•Nipcocks•Nipple Emissions•Multi-abs•Multicock•Multihead•Multiarm•Multilimb•Multipec•Multitorso•Replication•Stacking•Muscle Growth•Muscle/Strength•Getting Handsomer•Tongue Growth•Mouthcock•Selfcest•Infectious•Merging •M/M•M/M/M•M/M/M/...

Joey’s genie by RdyRoger Now that he has a genie at his command, Joey is going to go enjoy the world, decides to give his friend Rob a few gifts before he leaves. Added Feb 2009 43k views 4.8 stars (11 votes) 5,218 words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Pointy Ears•Djin/Jinn/Genie

Dude cums and cums and cums by Justusboys Added Apr 2011 40k views 4.7 stars (24 votes) 2,827 words •Hyper Cum

The awakening by Johnny M Danny’s secret muscle-breast fantasy kink begins bleeding into the real world. 10 parts Added Jul 2012 63k views 4.7 stars (21 votes) 25k words •Hyper Cum•Nipple Emissions•Muscle Breast•Muscle/Strength•Age Difference•Incest•Brothers•Father/Son •M/M•M/M/M•M/M/M/...

Growing boys at UMich by iciss Those football jocks in the UMIch gym are about to get a whole lot hotter. 4 parts Added Jan 2007 41k views 4.7 stars (21 votes) 7,144 words •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Getting Handsomer•Infectious •M/M

Red pills by MaxMorphs 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.) 19 parts Added Jan 2017 Updated 27 Mar 2021 58k views 4.7 stars (21 votes) 54k words (#62) •Cock Growth•Huge Cock•Hyper Cock•Addiction•Hyper Muscle•Immobility•Muscle Growth•Muscle Gut•Muscle/Strength•Getting Taller•Plausible Size Difference•Size Increase•Getting Hairy •M/M•M/M/M

Enhancement program by BRK 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. 4 parts Added Jan 2014 Updated 29 Jun 2018 46k views 4.7 stars (19 votes) 12k words •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Multi-abs•Multihead•Multilimb•Multipec•Mouthcock •M/M•M/M/M•M/M/M/...

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. Added Apr 2017 45k views 4.7 stars (18 votes) 5,382 words •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase•Incest•Brothers

Mass X by Max Mann Five short stories of men getting bigger and sexier, through the use of “Mass X”. 5 parts Added Feb 2005 47k views 4.7 stars (18 votes) 19k words •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 •M/M

Cock medication by Jocktaur Kyle Added Jun 2006 44k views 4.7 stars (14 votes) 2,097 words •Cock Growth•Huge Cock•Hyper Cock•Self-suck

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. Added Aug 2018 45k views 4.7 stars (13 votes) 14k words •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Muscle Growth•Muscle/Strength•Transformation•Getting Taller•Size Increase•Dom/Sub•Anthro/Furry•Werewolves •M/M

The Latin twins by RdyRoger A man is gifted by "the watchers" to make changes to himself and others that will last for 24 hours. Two of his escapades are detailed in this story. 2 parts Added Apr 2012 41k views 4.7 stars (9 votes) 7,238 words •Cock Growth•Cock Shrinking•Huge Balls•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Gradual Change•Getting Taller•Size Decrease•Size Increase•Race/Ethnicity Change•Suggestion•Incest•Brothers•Dom/Sub

Stop staring at me by BRK Those glasses with the funny settings on the side are a lot of fun and very addicting. Added Jul 2006 41k views 4.7 stars (9 votes) 1,991 words •Always Hard•Cock Growth•Huge Cock•Hyper Cum•Extra digits•Multicock•Multipec•Muscle Growth•Muscle/Strength•Transformation•Size Increase

Graham by Giant Worshipper and westone tiny 10 parts Added Nov 2009 Updated 31 Dec 2010 98k views 4.6 stars (24 votes) 55k words (#59) •Size Increase

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. 12 parts Added Jun 2018 Updated 11 May 2019 61k views 4.6 stars (23 votes) 56k words (#57) •Cock Growth•Huge Cock•Pec Fucking•Muscle Breast•Muscle Growth•Muscle/Strength•Dom/Sub•Restraints•Sex-Slave•Lycra/Spandex •M/M•M/M/M

Oh man by BRK 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. 5 parts Added Jul 2010 Updated 10 Nov 2017 79k views 4.6 stars (23 votes) 13k words •Cock Growth•Huge Cock•Self-suck•Multicock•Multiarm•Multilimb•Replication•Muscle Growth•Muscle/Strength•App•Retcon•Selfcest

Comeuppance by JJJJohnson No more than one tablespoon each, huh? Suuuuuure! Added May 2006 46k views 4.6 stars (21 votes) 4,071 words •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase•Brothers•Twins

Danny gets big by StudMscl 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. 3 parts Added Nov 2003 67k views 4.6 stars (20 votes) 9,501 words •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength •M/M

Alex’s gift by Will Bowden A teen discovers his shapeshifting ability, which seems to be tied to the horniness of other guys. 3 parts Added Apr 2003 40k views 4.6 stars (17 votes) 4,345 words •Incest•Brothers•Shapeshifting •t/t

No strings attached by muscl4life Donny walks in on his roommate, Sebastian, in the midst of his efforts to make himself bigger. 3 parts Added May 2014 52k views 4.5 stars (24 votes) 39k words (#95) •Cock Growth•Huge Cock•Hyper Cock•Cum inflation•Muscle Growth•Muscle/Strength•Size Increase•Incest•Brothers•Twins•Hypnosis •M/M

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. 7 parts Added Dec 2017 Updated 7 Sep 2019 41k views 4.5 stars (22 votes) 24k words •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Foot Growth•Getting Handsomer•Gradual Change•Getting Taller•Size Increase•Getting Hairy•Suggestion•Witch/Warlock/Wizard •M/M

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. 6 parts Added Mar 2013 53k views 4.5 stars (21 votes) 7,143 words •Muscle Growth•Muscle Gut•Muscle/Strength•Butt Growth•Gradual Change•Getting Hairy •M/M

Chris olympus by FanTCMan 3 parts Added Dec 2002 39k views 4.5 stars (21 votes) 9,167 words •Cock Growth•Straight to Gay•Muscle Growth•Muscle/Strength•Getting Hairy•Age Difference•Incest•Father/Son

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. Added Aug 2016 46k views 4.5 stars (18 votes) 7,815 words •Getting Dumber•Immobility•Muscle Growth•Muscle/Strength•Transformation•Size Increase

Titanification by JayPat 8 parts Added Oct 2012 40k views 4.5 stars (12 votes) 30k words •Huge Cock•Hyper Strength•Muscle Growth•Muscle Theft•Muscle/Strength•Muscle Worship•Giants•Size Increase•Destruction/Violence

4.0+ Stars 53

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. 16 parts Added Oct 2016 Updated 6 Aug 2022 90k views 4.5 stars (103 votes) 83k words (#31) •Cock Growth•Huge Balls•Huge Cock•Prehensile Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Transformation•Size Increase•Dom/Sub •M/M•M/M/M

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. 49 parts Added Oct 2013 Updated 24 Nov 2017 207k views 4.5 stars (77 votes) 115k words (#18) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Incest•Brothers •t/t•t/t/t

I wanna get huge by JayPat “I wanna get huge,” he said. 2 parts Added Oct 2012 61k views 4.5 stars (26 votes) 21k words •Muscle Growth•Muscle/Strength•Size Increase•Incest•Brothers•Christmas•Valentine’s Day •t/t

Changr pill party by matt1008 Campus alpha-male Nick plans an unusual party for his buddies, having got hold of a round of Changr pills that produce temporary, unknown, and not always desirable transformations. 6 parts Added Jul 2015 40k views 4.5 stars (25 votes) 11k words •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Size Decrease•Size Increase•Inflation•App

Medicine show by Fafhrd and Longbow9 Underendowed College student Terry comes in contact with a mysterious “extension cream” that turns out to be the real thing. Soon, he and his male and female friends are transforming themselves, and some are unable to stop. 174 parts Added Feb 2012 Updated 22 Feb 2014 211k views 4.5 stars (25 votes) 250k words (#2) •Cock Growth•Ball Growth•Huge Cock•Hyper Cock•Self-suck•First Time/Virgin•Bisexual•Hetero Sex•Lycra/Spandex•Infectious •M•M/M•M/F•M/F/F•M/M/F

META jocks by BRK and Jockmorphr Two members of a select fraternity full of superhot, multilimbed guys semi-obliviously compare notes on how their powerful cum promotes changes in their bodies—and, it turns out, each other’s. 4 parts Added Aug 2009 41k views 4.5 stars (15 votes) 7,269 words •Cock Growth•Huge Balls•Huge Cock•Nipcocks•Nipple Emissions•Multi-abs•Multicock•Multihead•Multilimb•Multipec•Replication•Stacking•Muscle Growth•Muscle/Strength•Man Scent•Size Increase•Retcon•Suggestion•Selfcest•Complete

Justin (the bigger the better) by Giant Worshipper A young man starts growing, and growing. He finds he likes it a lot. 15 parts Added Nov 2009 425k views 4.4 stars (89 votes) 99k words (#23) •Cock Growth•Huge Cock•Hyper Cock•Straight to Gay•Hyper Strength•Muscle Breast•Muscle Growth•Muscle Gut•Muscle/Strength•Muscle Worship•Man Scent•Increased Libido•Getting Taller•Giants•Size Increase•First Time/Virgin

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. 50 parts Added Oct 2009 Updated 9 Nov 2019 229k views 4.4 stars (61 votes) 221k words (#4) •Cock Growth•Huge Cock•Other Mental Changes•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle Theft•Muscle/Strength•Muscle Worship•Man Scent•Foot Growth•Gradual Change•Transformation•Voice Deepening•Getting Taller•Size Increase•Getting Hairy•Age Difference•Incest•Father/Son•Supernatural•Gay Pride•Alcohol •M/M•M/M/M

His brother drains his manhood by Ballmeat A younger brother drains his big, strong, overconfident older brother of his cock, balls and muscle. Added Jan 2018 66k views 4.4 stars (48 votes) 2,593 words •Cock Growth•Cock Shrinking•Cock Theft•Dom to Sub•Straight to Gay•Muscle Growth•Muscle Theft•Muscle/Strength•Incest•Brothers•Dom/Sub•Humiliation•Nonconsensual change •M/M

Alex in Wonderland by Anarchy A Alex follows mysterious man into a forest, and quickly finds himself in a strange new world, deep below the ground. 3 parts Added Jan 2016 Updated 7 Apr 2017 46k views 4.4 stars (43 votes) 6,184 words •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Muscle Growth•Muscle/Strength•Size Decrease•Size Increase •M/M

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! Added Mar 2003 124k views 4.4 stars (41 votes) 2,879 words •Cock Growth•Muscle Growth•Muscle/Strength•Getting Taller•Incest•Brothers

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! Added Feb 2018 53k views 4.4 stars (36 votes) 2,274 words •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Muscle Gut•Muscle/Strength•Plausible Size Difference•Size Increase•Getting Hairy•Dom/Sub•Nonconsensual change •M/M•M/M/M

Mustering up by Krisiar 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. 2 parts Added Jul 2011 62k views 4.4 stars (27 votes) 5,992 words •Cock Growth•Huge Balls•Hyper Cock•Nipple Emissions•Multi-abs•Multilimb•Straight to Gay•Muscle Growth•Muscle/Strength•Retcon•Suggestion •M/M/M

A thing called curiosity by papermoon Out for a jog, 19-year-old Cameron decides to investigate an abandoned house that holds some unexpected secrets. Added Jan 2014 44k views 4.4 stars (25 votes) 6,529 words •Huge Balls•Huge Cock•Hyper Cum•Nipple Emissions•Muscle Breast•Muscle Growth•Muscle/Strength•Transformation•Size Increase•Merging •M/M

17 inches by Unknown Added Mar 2009 86k views 4.4 stars (22 votes) 3,639 words •Huge Cock•First Time/Virgin•Incest•Brothers

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. Added May 2012 136k views 4.4 stars (21 votes) 2,165 words •Hyper Cum

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? 12 parts Added May 2017 Updated 7 Dec 2019 42k views 4.4 stars (20 votes) 9,685 words •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Size Increase•Getting Hairy•Humiliation•Nonconsensual change

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. 7 parts Added Jul 2013 Updated 19 May 2017 49k views 4.4 stars (19 votes) 28k words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Getting Taller•Age Difference•Incest•Father/Son•Dom/Sub •M/M•M/M/M

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. 7 parts Added Aug 2006 Updated 8 Jan 2022 47k views 4.4 stars (17 votes) 19k words •Always Hard•Cock Growth•Huge Cock•Self-suck•Witch/Warlock/Wizard •M/M

Basement full of muscleboy gods by Krisiar 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. Added May 2011 63k views 4.4 stars (16 votes) 2,124 words •Cock Growth•Huge Cock•Nipple Emissions•Multi-abs•Multicock•Boytaur•Four Legs•Multileg•Multilimb•Muscle Growth•Muscle/Strength

Navy experiment by BRK The new protocol of vaccinations on the U.S.S. Tulsa developed by Dr. Tosk had very deliberate side-effect: your body is affected by whoever you lust for. Tosk plans for the sailors to start lusting after his impressive form—but who does Tosk lust for? 4 parts Added Mar 2010 42k views 4.4 stars (15 votes) 5,764 words •Cock Growth•Huge Cock•Extra digits•Multi-abs•Multicock•Multiarm•Multilimb•Three Legs•Other Mental Changes•Muscle Growth•Muscle/Strength•Increased Libido•Plausible Size Difference

The berries down by the creek by Krisiar Jack hangs out with his friend and crush, Kurt, which leads to an encounter with a bush sporting some unusual berries. Added May 2011 52k views 4.4 stars (12 votes) 3,567 words •Cock Growth•Hyper Cock•Prehensile Cock•Nipple Emissions•Multi-abs•Muscle Growth•Muscle/Strength•Size Increase

Hulk by WBHunk An early encounter with a huge, muscular man presages transformations yet to come. 5 parts Added Jul 2002 40k views 4.4 stars (10 votes) 8,751 words •Muscle Growth•Muscle Gut•Muscle/Strength•Destruction/Violence

Reece’s morph by Seth Peterson The power of absorption is a nightmare for Reece...until it produces some very big results. 3 parts Added Mar 2016 Updated 12 Dec 2020 41k views 4.4 stars (10 votes) 14k words •Muscle Growth•Muscle/Strength•Belly Growth•Plausible Size Difference•Size Increase•Getting Hairy•Getting Fatter•Vore•Absorption •t/t

And then he came by Teen Hulk David's dream is interrupted … but only until his next visit to the gym. 2 parts Added May 2002 45k views 4.4 stars (9 votes) 7,372 words •Cock Growth•Huge Cock•Self-suck•Hyper Cum•Muscle Growth•Muscle/Strength•First Time/Virgin•Infectious •M/M

Bigger issues: Ultimate growth by muscl4life 6 parts Added Nov 2013 44k views 4.4 stars (7 votes) 32k words •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Increased Libido•Size Increase•Infectious

Forced growth by hyperboi Tyler wakes up trapped in a room where everything seems geared toward forcing him to become bigger, stronger, and sexier. 5 parts Added Oct 2013 129k views 4.3 stars (53 votes) 6,397 words •Cock Growth•Cock Pumping•Huge Cock•Hyper Cock•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Forced Growth•Nonconsensual change •M

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! 19 parts Added May 2017 Updated 11 May 2019 86k views 4.3 stars (43 votes) 23k words •Cock Growth•Huge Balls•Hyper Cum•Nipple Emissions•Muscle Growth•Muscle/Strength•Age Difference•Incest•Brothers•Father/Son•Stories with Images •M/M•M/M/M

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. 8 parts Added Jun 2016 72k views 4.3 stars (43 votes) 18k words •Hyper Cum•Muscle Growth•Muscle Gut•Muscle/Strength•Man Scent•Giants•Plausible Size Difference•Size Increase •M/M

Claves, the midnight marauder by Ziel 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. 7 parts Added Jun 2013 Updated 3 Jan 2015 47k views 4.3 stars (28 votes) 41k words (#92) •Cock Growth•Hyper Cock•Cum inflation•Hyper Cum•Fantasy Realm •M/M

Damian and the three muscleteens by hyperboi 5 parts Added Dec 2012 57k views 4.3 stars (28 votes) 8,170 words •Cock Growth•Huge Cock•Hyper Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Age Difference•Incest•Brothers•Father/Son•Twins•Infectious

Puberty is a bitch by Lover Boy 2 Brad thought he was done with puberty, so he’s perplexed and a bit alarmed by a new wave of growth that keeps hitting him at just the wrong moment. 11 parts Added Sep 2009 169k views 4.3 stars (27 votes) 15k words •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Gradual Change•Size Increase •t/t

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. 34 parts Added Dec 2012 Updated 3 Feb 2016 103k views 4.3 stars (26 votes) 144k words (#7) •Cock Growth•Cockfucking•Huge Cock•Hyper Cock•Infectious •t/t•t/t/t

Becoming the ultimate man by musclestory When a man’s ultimate dream becomes his ultimate reality. Added Aug 2003 91k views 4.3 stars (23 votes) 4,565 words •Cock Growth•Huge Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Voice Deepening•Giants•Size Increase•Getting Hairy •t

Adventures of a selfsucker by willy8 Silas loves going down on his own big cock, and while the intense experience of autofellatio doesn’t help him with his girlfriend it does bring him closer to his handsome roommate Ben. 16 parts Added Jul 2015 Updated 28 Jul 2017 41k views 4.3 stars (22 votes) 42k words (#89) •Cock Growth•Huge Cock•Self-suck•Bisexual•Hetero Sex •M•M/M•M/F

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. 5 parts Added Jul 2002 96k views 4.3 stars (19 votes) 20k words •Cock Growth•Huge Balls•Huge Cock•Cum Milking•Nipple Emissions•Straight to Gay•Muscle Breast•Muscle Growth•Muscle/Strength•Getting Hairy•First Time/Virgin•Nonconsensual change•Infectious •M/M

Jeff’s story by Muscle Flex 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. 4 parts Added Jul 2002 54k views 4.3 stars (16 votes) 8,109 words •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Lycra/Spandex •M/M

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. Added Nov 2016 55k views 4.3 stars (15 votes) 2,350 words •Huge Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase•Incest•Brothers

Magic cock by Pfieffer A ritual to increase cock size works a little too well. 3 parts Added Apr 1997 109k views 4.3 stars (11 votes) 6,064 words •Cock Growth•Huge Cock•Hyper Cock

Danny’s dick by Zot57 10 parts Added Feb 2010 84k views 4.2 stars (27 votes) 7,661 words •Cock Growth•Huge Cock•Hyper Cock

Basically a god by CurlyJin What do you do when the kid you bullied in high school becomes a god? 9 parts Added Jul 2016 Updated 15 Jun 2019 82k views 4.2 stars (24 votes) 31k words •Cock Growth•Huge Balls•Hyper Cock•Hyper Cum•Getting Taller•Giants•Size Increase•Bisexual•Hetero Sex•Lycra/Spandex•Space Travel•Superhero/Supervillain•Flying•X-Ray Vision •M/M

Big is better by XH4M Pete and Sam experience epic growth, unexpected adventures, and sweet romance. 32 parts Added Oct 2003 75k views 4.2 stars (15 votes) 111k words (#19) •Huge Cock•Nipcocks•Muscle Growth•Muscle/Strength•First Time/Virgin•Demons•Witch/Warlock/Wizard•Hypnosis •M/M

Grow and get huge by Massiveboy Added Jul 2002 47k views 4.2 stars (14 votes) 1,112 words •Muscle Growth•Muscle/Strength•Getting Taller•Getting Hairy

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. 47 parts Added Jan 2014 44k views 4.2 stars (5 votes) 188k words (#5) •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

Charles’s monster by Locky Jason saw Charles' monster in high school. Three years later, there's even more to see. Added Aug 2006 78k views 4.1 stars (32 votes) 1,748 words •Cock Growth•Huge Cock•Hyper Cock•Size Increase •M/M

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. 19 parts Added Oct 2003 43k views 4.1 stars (19 votes) 59k words (#51) •Cock Growth•Ball Growth•Huge Cock•Replication•Always Shirtless•Increased Libido•Transformation•Voice Deepening•Age Regression•Race/Ethnicity Change•App•Retcon•Selfcest•Nonconsensual change•Infectious•Mind Control

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. 2 parts Added Jul 2002 60k views 4.1 stars (17 votes) 14k words •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

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. 9 parts Added Oct 2002 88k views 4.1 stars (17 votes) 77k words (#36) •Cock Growth•Hyper Cock•Multicock•Muscle Growth•Muscle/Strength•Muscle Worship•Getting Handsomer•First Time/Virgin•Hyper Pheromones•Flying

Transform: Muscle City by Also Known As Emotionally, the Muscle Club has become a community of transformed men who are farm beyond normal. Now is the time to make it a literal community all its own—a city of transformed muscle. 21 parts Added Jan 2014 46k views 4.1 stars (17 votes) 120k words (#15) •Always Hard•Cock Growth•Huge Cock•Multicock•Straight to Gay•Muscle Growth•Muscle/Strength•Muscle Worship•Getting Handsomer•Size Increase•Infectious

Shirtbusters by TFWizard Jared, Lance, and Lance’s father Ben discover a way to bust out of their shirts, and they can’t get enough of it. 2 parts Added Oct 2005 47k views 4.1 stars (16 votes) 6,769 words •Muscle Growth•Muscle/Strength•Size Increase•Age Difference•Incest•Father/Son

Biological inheritance by Frank Easky 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? Added Jul 2002 51k views 4.1 stars (11 votes) 5,755 words •Cock Growth•Huge Balls•Hyper Cock•Muscle Growth•Muscle/Strength•Size Increase•Witch/Warlock/Wizard •M/M

Augmentations by Also Known As Pursuing a fantasy, a successful man hires an erotic partner who’s been augmented, but the kinds of pleasures his new lover can share with him are far beyond anything he’d imagined. 18 parts Added Jan 2014 42k views 4.1 stars (9 votes) 99k words (#25) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Man Scent•Getting Handsomer•Size Increase•Set in the Future

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. 18 parts Added Jun 2016 Updated 19 Aug 2016 64k views 4.0 stars (34 votes) 35k words •Straight to Gay•Muscle Growth•Muscle Gut•Muscle/Strength•Man Scent•Giants•Plausible Size Difference•Size Increase•Getting Fatter•Destruction/Violence•Nonconsensual change•Nonconsensual sex •M/M

3.5+ Stars 16

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. Added Oct 2003 115k views 4.0 stars (34 votes) 3,842 words •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Age Difference•Incest•Father/Son •M

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? 6 parts Added Dec 2013 138k views 4.0 stars (23 votes) 47k words (#75) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Multi-abs•Straight to Gay•Muscle Growth•Muscle/Strength•Muscle Worship•Size Increase

Sam and Bolt by MaxMorphs Sam’s father, Bolt, shares with his size-hungry son the secrets of becoming truly huge. 11 parts Added Sep 2016 Updated 23 Dec 2016 80k views 3.9 stars (56 votes) 48k words (#72) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Nipcocks•Self-suck•Cum inflation•Hyper Cum•Nipple Emissions•Getting Taller•Size Increase•Getting Hairy•Age Difference•Incest•Father/Son•Infectious •M•M/M•M/M/M/...

Frat boys, bro!! by Seth Peterson What happens when a handsome boy and his buddy finds some frat boy pills? Sick bulky results, BRO!! Added Jan 2018 42k views 3.9 stars (37 votes) 2,556 words •Huge Balls•Huge Cock•Getting Dumber•Muscle Growth•Muscle Gut•Muscle/Strength•Belly Growth•Size Increase•Getting Hairy•Getting Fatter •M/M

Huge changes: Book one by RdyRoger 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. Added Apr 2012 106k views 3.9 stars (21 votes) 5,887 words •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Size Increase•Halloween •M/M

Speedo transformation by bruce 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. Added Feb 2009 60k views 3.9 stars (17 votes) 2,096 words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Transformation•Symbiotes

Afternoon swim by Viva Wales Added May 2002 43k views 3.9 stars (8 votes) 1,544 words •Cock Growth•Huge Cock•Hyper Cock•Foot Growth•Getting Taller•Size Increase

Seducers by Also Known As The sequel to Supermen and Transform. The community of impossibly attractive, physically gifted, sex-evolved men grows. 31 parts Added Aug 2003 49k views 3.8 stars (13 votes) 108k words (#21) •Cock Growth•Huge Cock•Hyper Cock•Prehensile Cock•Multicock•Muscle Growth•Muscle/Strength•Muscle Worship•Getting Handsomer•Voice Deepening•Hyper Pheromones•Flying

Cock boy conversions by CockTFBoi A gift of wish-power to a horny teen leads to some hot guys at school being turned into cock-creatures. 19 parts Added Mar 2014 46k views 3.8 stars (12 votes) 14k words •Human to Cock•Multicock•Straight to Gay•Transformation•Size Decrease•Nonconsensual change •t/t•t/t/t...

Muscle milk tit freaks by TitMorpher In the future, as soon as muscle tit bodybuilding competitions, certain fans start gravitating toward the ones leaking muscle milk from their nips—triggering a broader interest in both the fetish and the growth-inducing pec juicea. 9 parts Added Sep 2011 Updated 13 Jun 2012 108k views 3.8 stars (8 votes) 27k words •Nipple Emissions•Muscle Breast•Muscle Growth•Muscle/Strength•Muscle Worship•Stories with Images•Set in the Future •M/M

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. 2 parts Added Dec 2012 Updated 9 Apr 2015 68k views 3.8 stars (5 votes) 4,889 words •Cock Growth•Huge Balls•Muscle/Strength•Plausible Size Difference•Stories with Images

Teen growth by Chamelion123 Added Jul 2002 107k views 3.7 stars (23 votes) 7,404 words •Muscle Growth•Muscle/Strength

Changes in stages by Writ Bro That box of clothes in the attic of your new rental house? Don’t pass them off to Goodwill just yet. 3 parts Added Oct 2010 Updated 12 Jun 2011 49k views 3.7 stars (14 votes) 14k words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Lycra/Spandex

Luke is growing by Coolkid Added Jun 2013 44k views 3.7 stars (10 votes) 1,246 words •Cock Growth•Hyper Cock•Size Increase

My big fat gay story by Your Name Here Henry has Jake over for dinner, and dessert might have a li’l extra kick to it. Added Jul 2006 39k views 3.7 stars (7 votes) 1,183 words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Handsomer

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. 40 parts Added Apr 2019 Updated 1 May 2021 134k views 3.7 stars (6 votes) 366k words (#1) •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•Complete

3.0+ Stars 1

Adam’s milk by Adam Zander Adam’s dreams of growing massive pec-tits like the wrestlers he admires come true—in spades. 2 parts Added May 2015 51k views 3.4 stars (18 votes) 2,600 words •Cock Growth•Hyper Cock•Nipple Emissions•Muscle Breast•Size Increase•Set in the Future

2.5+ Stars 1

Grandfather’s gift by Joseph Added May 2012 42k views 2.9 stars (13 votes) 2,983 words •Cock Growth•Hyper Cock•Nipple Emissions•Size Increase

2.0+ Stars 2

Being big by BigBoy Added Jul 2002 58k views 2.4 stars (26 votes) 953 words •Huge Cock•Muscle Growth•Muscle/Strength

Hung like a... by IamYurNayboor Added Nov 2010 41k views 2.4 stars (15 votes) 684 words •Huge Cock

<5 votes 2

Mega pecs maker dosing accident by TitMorpher When the freshman wrestling team gets an overdose of pec-growing serum, the coaches have to make some new plans. Added Apr 2013 48k views 5.0 stars (2 votes) 1,465 words •Muscle Breast•Muscle Growth•Muscle/Strength•Stories with Images •NS

Morphed muscle tit freaks by TitMorpher 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. 3 parts Added Jan 2011 Updated 10 Jan 2012 98k views 3.3 stars (4 votes) 7,939 words •Nipple Emissions•Muscle Breast•Muscle Growth•Muscle/Strength

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