BRK

Muscle Tag Group

Stories that fall into the tag group “Muscle”. Tags in this group: Hyper Muscle; Hyper Strength; Immobility; Muscle Breast; Muscle Growth; Muscle Gut; Muscle Theft; Muscle Worship; Muscle/Strength; Pec Fucking.

1,476 stories found. Total word count: 16,886,986.

A

A.I. by Corwin [ ] Tim’s homemade A.I. software decides to help him get huge. •Huge Cock •Cum Milking •Addiction •Hyper Muscle •Muscle Growth •Muscle/Strength •Muscle Worship •Gradual Change •Plausible Size Difference •Size Increase •A.I.-Controlled Change •Destruction/Violence •Restraints •Androids/Cyborgs •Complete •M/M Added Dec 2013 11 parts 30,556 words 68,793 views 4.8 stars (41 votes)
About that boy by Richard Jasper [ ] Coach Harper gets an earful from Mrs. Johnson about her son Billy's really big classmate, Roger Fernbeck. •Huge Cock •Muscle/Strength •All Dialog Added Jan 2020 Updated Feb 2020 655 words 12,956 views 3.3 stars (8 votes)
Above average by Ziel [ ] Alan starts out as just your average college boy. Then a strange, magical artifact comes into his life, and he starts becoming bigger… almost remembering the ways things were, when his muscles and cock weren’t, with each orgasm, more and more above average. As the effects spread, Alan knows he must understand what’s happing to him and his friends—and also that he must be the biggest, most muscular, most hypercocked stud of all. •Cock Growth •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/... Added Apr 2013 Updated Dec 2018 28 parts 130,435 words 264,043 views 4.6 stars (104 votes)
Abyssus Abbey by Pen Darke [ ] Welcome to Abyssus Abbey… a place where monks study and summon demons in an attempt to prevent the Apocalypse. The demons are in the walls, listening to your words, your thoughts, your desires, and if you fall prey to any of the Twelve Temptations, you may find yourself changed in ways you may not have expected. The Abbey has always drawn and doomed those who seek power and knowledge, and if you’re lucky, you might find something else there: a change in your outlook, a surprising ability, a friend where no friend was expected, and even romance. But all pleasures come with a price, and sooner or later the devil will have his due. Come in. Join the damned. •Self-suck •Multicock •Straight to Gay •Muscle Growth •Muscle/Strength •Belly Growth •Transformation •Size Increase •Anthro/Scaly •Demons •Incubus/Succubus •Ogres •Satyrs •Witch/Warlock/Wizard •Fantasy Realm •Horror •Supernatural •Series Added Feb 2020 Updated May 2020 17 parts 124,798 words 24,116 views 4.9 stars (67 votes)
Abyssus Abbey 2 by Pen Darke [ ] To protect himself from the devils who want to attack and change him, Tuco must enter the Abyss—little knowing what he will find there. •Huge Cock •Hyper Cock •Prehensile Cock •Wings •Muscle/Strength •Anthro/Furry •Demons •Incubus/Succubus •Witch/Warlock/Wizard •Horror •Supernatural •Series •M/M •M/M/M/... Added Feb 2021 Updated May 2023 16 parts 120,652 words 21,853 views 5.0 stars (70 votes)
The accidental wizard by nolanspice [ ] Ken and Jay’s excursion into alchemy yields astounding results. •Cock Growth •Huge Cock •Replication •Muscle Growth •Muscle/Strength •Transformation •Voice Deepening •Plausible Size Difference •Size Increase •Age Regression •Race/Ethnicity Change Added Jan 2006 2 parts 2,926 words 27,021 views 4.3 stars (6 votes)
Acclimating by Dream Big [ ] Dealing with finding yourself unwillingly summoned into a fantasy-themed world as a fearsome, horned, and hung demon is, it turns out, mostly a matter of adjusting yourself to your new situation. •Cock Growth •Huge Cock •Muscle/Strength •Pointy Ears •Transformation •Plausible Size Difference •Demons •Witch/Warlock/Wizard •Fantasy Realm •Shapeshifting •M/M •M/M/M Added Mar 2020 Updated Nov 2021 41 parts 40,366 words 26,909 views 5.0 stars (29 votes)
The acolytes by Richard Jasper [ ] It all started with an arm-wrestling contest. Blond surfer god Mike Schnelling, 5’10”, 175 lbs., wanted to take me on. Which was fine but I had 50 lbs. on him, all muscle. We never could have imagined how it would all turn out! •Cock Growth •Huge Cock •Hyper Cock •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Getting Hairy Added Aug 2020 7 parts 8,050 words 19,778 views 4.5 stars (11 votes)
Acting out by Cris Kane [ ] A straight actor preparing to audition for a gay role receives help getting into character from his gay friend and a couple of magic rings, but their mind-altering effects lead to unexpected outcomes for Quinn and Damon alike. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •M/M Added Aug 2014 3 parts 24,612 words 30,979 views 4.6 stars (18 votes)
Ad man by FanTCMan [ ] Powerful ad exec Tucker needs the help of one of his reps, an amateur bodybuilder named Larry, to break into the sports and fitness market. Larry takes the initiative and offers to help a potential client test their new supplement, and the results aren't what Tucker or Larry expect. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Straight to Gay •Hyper Muscle •Muscle Growth •Muscle/Strength •Getting Hairy •Nonconsensual change •Infectious •M/M Added Dec 2003 8,642 words 81,250 views 5.0 stars (52 votes)
Adam’s first growth spurt by MDS [ ] Adam comes home from a day of being bullied at school to find he definitely won't have to worry about anything like that after today. •Huge Cock •Muscle Growth •Muscle/Strength •Giants •Size Increase •Incest •Brothers Added Nov 2016 2,350 words 51,351 views 4.3 stars (15 votes)
Adam’s fury by Chronologious [ ] Adam is sick and tired of being harassed and bullied at school and reaches his breaking point. Nobody is ever going to mess with him again. •Muscle Growth •Muscle/Strength •Giants •Size Increase •Destruction/Violence •M •M/M •M/M/M Added Apr 2021 Updated Apr 2022 6 parts 16,385 words 20,591 views 4.6 stars (8 votes)
Adam’s milk by Adam Zander [ ] Adam’s dreams of growing massive pec-tits like the wrestlers he admires come true—in spades. •Cock Growth •Hyper Cock •Nipple Emissions •Muscle Breast •Size Increase •Set in the Future Added May 2015 2 parts 2,600 words 49,677 views 3.4 stars (18 votes)
Administrator by FanTCMan [ ] •Cock Growth •Huge Cock •Getting Dumber •Muscle Growth •Muscle/Strength Added Apr 2003 1,784 words 27,434 views 4.2 stars (9 votes)
Admiring the changes by Josh Barrett [ ] After months of hardly any progress at the gym, Alex finds a strange stone that makes him into what he’s always wanted to be. •Muscle Growth •Muscle/Strength Added Jun 2014 1,973 words 27,281 views 4.5 stars (21 votes)
Adonis Brothers: The Bunny Bandit by Void [ ] The Bunny Bandit strikes again! While thwarting a bank heist, Josh and Adam discover a new foe. Will our fearless bulging super-brief-enhanced heroes save the day? Or will they become the next unwitting victims of the Bandit and his evil henchmen? •Muscle/Strength •Muscle/Strength •Transformation •Transformation •Human to Animal/Anthro •Human to Animal/Anthro •Nonconsensual change •Nonconsensual change •Superhero/Supervillain •Superhero/Supervillain •Series •Series Added Feb 2021 1,155 words 3,875 views
The adventures of Rex by Richard Jasper [ ] MLB Player Rex Chastain is dragooned into the service of a wizard but a magical transformation goes somewhat awry. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Size Increase •Race/Ethnicity Change •Demons •Ogres •Fantasy Realm •Series •M/M Added Feb 2020 6 parts 3,916 words 9,789 views 4.6 stars (5 votes)
Aftermath by Richard Jasper [ ] Recently widowed, Roger decides to join the gym and get big. •Muscle Growth •Muscle/Strength Added Jan 2020 Updated Feb 2020 3,876 words 8,656 views 3.3 stars (9 votes)
Against protocol by BRK [ ] The mods they give to MetaMorph’s in-house scientists to beta-test are supposed to wear off after two weeks, but Jackson’s mods are inexplicably persistent… and they’re starting to pile up. •Cock Growth •Huge Cock •Hyper Cum •Extra digits •Multiarm •Multilimb •Muscle Growth Added Nov 2019 2,415 words 8,432 views 4.6 stars (7 votes)
Ah! my god by Josh Arima [ ] A short and much less awkward alternative story inspired by the manga/anime Oh My Goddess. •Cock Growth •Huge Cock •Replication •Muscle Growth •Muscle/Strength •Transformation •Inflation Added Jun 2005 4,325 words 32,325 views 4.6 stars (11 votes)
Ahead of his behind by nvb2 [ ] •Cock Growth •Huge Balls •Huge Cock •Multicock •Boytaur •Multiarm •Muscle/Strength •Merging Added Jul 2009 1,604 words 17,410 views 4.6 stars (11 votes)
Aiden and Andrew by JB [ ] Two roommates have some fun, inside and out. •Muscle/Strength •Plausible Size Difference •Size Increase •Vore Added May 2019 3,441 words 12,965 views 4.6 stars (8 votes)
An airplane parasite by SomeMuscleGuy [ ] After bumping into the wrong person at the airport, Michael is infected with a parasite that was on its way to be destroyed. This parasite only has one goal in mind: Growth. Massive Growth. •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Hyper Cum •Multi-abs •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Butt Growth •Foot Growth •Transformation •Voice Deepening •Getting Taller •Giants •Size Increase •Destruction/Violence •Nonconsensual change •Infectious •Aliens •Symbiotes •M Added Oct 2022 4,977 words 18,226 views 4.7 stars (26 votes)
Airport muscle by Richard Jasper [ ] When you have a really long layover, having a sleeping cube comes in handy! •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Shapeshifting Added Jan 2020 Updated Feb 2020 5 parts 5,889 words 11,906 views
Aisle 13 by Richard Jasper [ ] A random encounter at the grocery store prompts big Jake to recruit a passel of wannabe muscleboys. •Muscle Growth •Muscle/Strength Added Jan 2020 Updated Feb 2020 7 parts 8,336 words 6,522 views
Alaska by Richard Jasper [ ] Hunky he-man Bernard runs across sun-worshiping Chad au naturel while exploring the wilds of southeast Alaska. •Huge Cock •Muscle/Strength Added Feb 2020 1,660 words 4,087 views
Alex by Jcry123 [ ] A young guy decides to try out a gift from a random stranger that might making him bigger. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength Added Nov 2011 1,545 words 35,839 views 4.4 stars (11 votes)
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. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Hyper Muscle •Muscle Growth •Muscle/Strength •Size Decrease •Size Increase •M/M Added Jan 2016 Updated Apr 2017 3 parts 6,184 words 44,614 views 4.4 stars (43 votes)
Alien implants (revised) by WordShop [ ] Three twenty-year-old military brats have a close encounter that leaves behind unexpected surprises for them all. How do three young guys deal with something that they cannot even begin to explain or understand? Not to mention the very strange dreams… •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Hairy •Symbiotes Added Nov 2017 2 parts 3,079 words 22,428 views 3.7 stars (15 votes)
Alien tormentors by James Fourlegs [ ] Unseen aliens juice the daylights out of their captives. •Huge Cock •Multicock •Multiarm •Multileg •Multilimb •Replication •Muscle Growth •Muscle/Strength •Aliens Added Dec 2004 1,004 words 22,405 views 4.3 stars (6 votes)
All good things by Anon Amon [ ] After the discovery of an ancient artifact, life is changed forever for a group of college students who have bigger things to worry about than getting ready to start classes. •Cock Growth •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 •Complete •M/M •M/M/M Added Feb 2017 Updated Oct 2022 111 parts 131,752 words 205,625 views 4.6 stars (144 votes)
All Hallows’ revelry by Element53 [ ] Jake is invited to a Halloween bonfire by a hunky stranger, and he quickly learns how much fun a little revelry can be. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Supernatural •Halloween •M/M •M/M/M Added Oct 2020 5,277 words 9,440 views 4.4 stars (7 votes)
All kinds of jobs by Musiker [ ] Dale was straight before his transformation, but his transformation included becoming pansexual. It's time, with Max's help, for Dale to be introduced to gay sex. •Huge Cock •Straight to Gay •Muscle/Strength •Human to Animal/Anthro •Hyper Tongue •Sex-Slave •Anthro/Furry •Series Added Dec 2019 6,182 words 8,622 views
All or nothing by Double-U [ ] Take a step into Allan Rader’s thoughts and explore a strange new casino that hasn’t opened up to the public yet. Will Allan get some BIG returns? •Muscle Growth •Muscle/Strength •Size Increase Added Sep 2016 2,154 words 13,299 views 3.5 stars (13 votes)
All your wildest dreams by FloralSpaded [ ] When Walker has his hot friend Joe over for the night, things get out of hand and all of Walker’s wildest dreams come true. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Infectious Added Jun 2018 2 parts 1,496 words 16,161 views 3.1 stars (19 votes)
The all-powerful Musketeer by Cardi Muscle Man [ ] A humble and modest Musketeer is given superhuman powers simply for being kind. •Hyper Strength •Witch/Warlock/Wizard •Medieval(ish) •M Added Jun 2023 717 words 515 views
Alpha by CharitysSongbird [ ] Used to being smaller than his office mates, especially his crush Tavy, Ritzy is stunned when he suddenly starts getting bigger and furrier, even as the impulse to dominate seeps into his personality. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Muscle Growth •Muscle/Strength •Transformation •Getting Taller •Size Increase •Dom/Sub •Anthro/Furry •Werewolves •M/M Added Aug 2018 14,259 words 41,910 views 4.7 stars (12 votes)
The Alpha by Ziel [ ] Harrison’s chance encounter with the creature that has been stalking the campus changes him in ways he’d never thought possible. •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Human to Animal/Anthro •Getting Hairy •Nonconsensual change •Anthro/Furry •M/M Added Dec 2017 4,118 words 24,468 views
Alpha Coach and Mike by Eric Aaldersen [ ] Alpha Mike remembers the alpha who made him—his super-hot high school hockey coach! •Huge Balls •Huge Cock •Muscle/Strength •First Time/Virgin •Supernatural •Series •M/t Added Apr 2020 7,300 words 9,001 views 5.0 stars (7 votes)
Alpha Dave and Alpha Luke reunite by Eric Aaldersen [ ] After their epic camping encounter this summer, Luke and Dave reunite and Dave tells Luke what it really means to be an alpha. •Huge Cock •Muscle/Strength •Supernatural •Series Added Feb 2020 6,565 words 6,017 views 5.0 stars (5 votes)
Alpha Dave goes camping by Eric Aaldersen [ ] A special breed of men walks secretly among us. On a camping trip with his latest twunky conquest, one of these men, a muscle alpha named Dave, senses still more hotties nearby, ripe for his attentions and his bottomless supply of spunk. •Muscle/Strength •First Time/Virgin •Supernatural •Series Added Dec 2019 8,226 words 9,653 views 5.0 stars (9 votes)
Alpha Dave returns home by Eric Aaldersen [ ] Alpha Dave returns home and remembers the alpha who made him. •Huge Cock •Muscle/Strength •Supernatural •Series Added Feb 2020 7,790 words 5,922 views 5.0 stars (8 votes)
Alpha encounters: Addison by Eric Aaldersen [ ] A varsity basketball hunk goes to the gym to burn off some of his sexual energy, but gets more than he bargained for. •Huge Balls •Huge Cock •Straight to Gay •Muscle/Strength •Bisexual •Hyper Pheromones •Series •M/M Added Apr 2022 3,455 words 6,211 views 4.8 stars (8 votes)
Alpha encounters: Logan by Eric Aaldersen [ ] An eighteen-year-old alpha, Logan, needs some release as he waits to meet up with his smoking hot boyfriend. Someone in his English class ends up lending a hand. Or... mouth. Part of a collection of Alpha Encounters. •Huge Balls •Huge Cock •Muscle/Strength •Muscle Worship •Bisexual •Series •M/F •M/M Added Apr 2023 2,549 words 2,635 views
Alpha fitness by Genetonic [ ] High school nerd Jeff keeps getting bullied by muscle jock Travis… until he has a lucky encounter with the new ‘Alpha’ brand clothing line. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Foot Growth •Getting Taller •Size Increase •Getting Hairy •Humiliation Added Mar 2021 2,712 words 15,697 views 4.4 stars (10 votes)
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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Hyper Pheromones Added Mar 2015 Updated May 2015 3 parts 11,941 words 54,503 views 4.7 stars (81 votes)
Alpha Jamie and Alpha Jordan spread their seed by Eric Aaldersen [ ] Not even aware of their new status as alphas, Jamie and Jordan have loads of fun with their teammates. •Huge Balls •Huge Cock •Muscle/Strength •First Time/Virgin •Supernatural •Series •t/t Added Apr 2020 5,341 words 7,961 views 4.8 stars (5 votes)
Alpha Logan claims a beta by Eric Aaldersen [ ] Shortly after becoming an alpha, Brian’s younger brother Logan sites a beta of his own while working out in the local gym. •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle/Strength •Gradual Change •Incest •Brothers •Hyper Pheromones •Supernatural •Series •M/M Added Dec 2021 4,961 words 8,864 views 5.0 stars (5 votes)
Alpha Luke and the wrestling team by Eric Aaldersen [ ] Luke finds another beta mate on his wrestling team and his sexual energy infects the whole team during a special match! •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle Growth •Muscle/Strength •Gradual Change •Hyper Pheromones •Supernatural •Series Added Aug 2020 6,920 words 14,717 views 5.0 stars (8 votes)
Alpha Luke goes camping by Eric Aaldersen [ ] Budding Alpha Luke takes his twink buddies into the woods for a weekend of exploration. •Huge Cock •Muscle/Strength •First Time/Virgin •Supernatural •Series Added Jan 2020 12,421 words 9,223 views 5.0 stars (9 votes)
Alpha Luke grows his circle by Eric Aaldersen [ ] Now fully aware of his alphahood, Luke breeds some more betas hoping to make Brian an alpha like him. Luke and Mike finally bond as they were meant to. •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Incest •Brothers •Supernatural •Series Added Mar 2020 8,980 words 9,922 views 5.0 stars (6 votes)
Alpha Luke passes on the lore by Eric Aaldersen [ ] Luke and Brian’s story finally reaches its climax and afterwards things get positively mystical. •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Supernatural •Series Added May 2020 4,887 words 6,466 views 5.0 stars (5 votes)
Alpha Luke releases the beast by Eric Aaldersen [ ] Luke thinks back to his first sexual encounter with a beta—in the back of a school bus! •Huge Cock •Hyper Cum •Hyper Strength •Muscle/Strength •First Time/Virgin •Hyper Pheromones •Supernatural •Series •t/t Added May 2020 4,905 words 9,131 views 4.7 stars (11 votes)
Alpha Luke saves the party by Eric Aaldersen [ ] Luke’s homecoming party escapades include romps in a change room, a hot tub, a friend’s bedroom, and a sauna! •Huge Cock •Muscle/Strength •Bisexual •Supernatural •Series Added Feb 2020 8,757 words 6,726 views
Alpha Male by Josef Howard [ ] A gay man wakes one morning inside the body of the (formerly) straight star-spangled super-hero AlphaMale. Everything is terrific until AlphaMale’s studly sidekick finds out his body is inhabited by an imposter. •Muscle Growth •Muscle/Strength •Superhero/Supervillain Added Jul 2002 5 parts 15,096 words 38,227 views 5.0 stars (7 votes)
Alpha master god king by MaleHypnoDomination and Mr. GreyMan [ ] An unassuming househusband accidentally becomes the God-King of the world. •Muscle Growth •Muscle/Strength •Dom/Sub •Djin/Jinn/Genie •Mind Control Added May 2016 2 parts 7,650 words 25,728 views 2.7 stars (32 votes)
Alpha Mike and his alpha bro by Eric Aaldersen [ ] Meet Alpha Mike, Luke’s older brother, on the day that he discovers that his little bro is an alpha, too! •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers •Supernatural •Series •t/t Added Mar 2020 5,437 words 11,003 views 4.4 stars (16 votes)
Alpha Mike finds a beta by Eric Aaldersen [ ] Inspired by Luke’s recent conquests, older brother Mike goes on the hunt to find a beta of his own to breed into alphahood and gets more than he bargained for. •Huge Balls •Huge Cock •Hyper Cum •Straight to Gay •Muscle/Strength •Hyper Pheromones •Supernatural •Series Added Jun 2020 7,244 words 7,587 views
Alpha product series by Chet Boner [ ] 19-year-old Trent accepts a free trial product series called “Alpha Product” in exchange for his feedback. He receives the first product very quickly, but doesn’t know how many people would be affected and grow as a result of this choice! •Cock Growth •Huge Balls •Hyper Cum •Nipple Emissions •Muscle Growth •Muscle/Strength •Age Difference •Incest •Brothers •Father/Son •Stories with Images •M/M •M/M/M Added May 2017 Updated May 2019 19 parts 23,227 words 81,941 views 4.4 stars (42 votes)
The alpha touch by Caliburn [ ] Young engineer Max has a good deed rewarded with a mysterious rune now tattooed to his wrist. Bestowed with the power to change the body of the men he touches, Max’s life and his friends’ change quite a bit. •Cock Growth •Huge Balls •Huge Cock •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 •Series •M/F •M/M Added Jan 2022 Updated Dec 2022 12 parts 50,362 words 65,707 views 4.9 stars (178 votes)
Al’s new toy by Altoid Lover [ ] •Muscle/Strength •Mind Control Added Aug 2012 4 parts 2,395 words 25,315 views 3.6 stars (5 votes)
Alt-world by BRK [ ] The alternate reality was constructed so the guys fell within broad parameters. Except they were a little skewed toward the exceptional. And something in the software seemed to like outliers... •Cock Growth •Huge Cock •Hyper Cock •Multiarm •Multilimb •Replication •Muscle/Strength •Plausible Size Difference •Size Increase •Incest •Twins •M/M Added Jul 2011 2 parts 5,265 words 28,223 views 4.9 stars (14 votes)
Altered by Dream Big [ ] Chris wakes up in a strange laboratory, only to learn he’s one of a number of subjects in a mysterious program that involves alterations to the male human body. At least the guy they have looking after him seems sympathetic… and very, very sexy. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Human to Animal/Anthro •Getting Hairy •Nonconsensual change •Restraints •Hyper Pheromones Added Jan 2020 Updated Dec 2020 6 parts 10,616 words 25,685 views 4.7 stars (18 votes)
Amethyst horizon by will88nh [ ] Change comes unexpectedly to Will, in the form of a pizza delivery boy. •Cock Growth •Huge Cock •Other Mental Changes •Muscle Growth •Muscle/Strength •Increased Libido •Transformation •Age Regression •Suggestion •M/M Added Aug 2005 3 parts 6,315 words 14,868 views 4.4 stars (11 votes)
Among the jocks by Peterbilt [ ] A group of young athletes enjoy each other’s beautiful, muscular bodies. •Huge Cock •Muscle/Strength Added Mar 2017 3,060 words 12,598 views
Among us by BRK [ ] Nathan Yates is an ordinary boy who’s just graduated from high school and whose biggest concern in life in trying to figure out why the hottest guy in school is making passes at him. That is, until he’s thrown into a story he knows intimately from his favorite cult graphic novels, and becomes embroiled in a conflict that reaches across worlds and universes. •Huge Cock •Muscle/Strength •Amputation •Human to Animal/Anthro •Aliens •Werewolves •Mind Control •t/t Added May 2017 Updated Apr 2018 15 parts 52,459 words 24,924 views 4.4 stars (17 votes)
Amplifications by Also Known As [ ] I did not start out this way, the way I am now, the way you know me, the way you see me. Of course I didn’t. No one could. No one could look like me, do the things that I can do, be this perfect instrument of pure sexual power without…a little help. •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Series Added Jan 2014 5 parts 22,602 words 23,996 views 4.0 stars (5 votes)
And let your arrow go by screamingmoist [ ] A young man gets more attention from Cupid than he ever wanted. •Cock Shrinking •Straight to Gay •Muscle Theft •Transformation •Valentine's Day •M/M Added Feb 2022 5,327 words 6,549 views 4.7 stars (7 votes)
And then he came by Teen Hulk [ ] David's dream is interrupted … but only until his next visit to the gym. •Cock Growth •Huge Cock •Self-suck •Hyper Cum •Muscle Growth •Muscle/Strength •First Time/Virgin •Infectious •M/M Added May 2002 2 parts 7,372 words 43,257 views 4.4 stars (9 votes)
Andro-Gro anonymous by LucaWLee [ ] Fresh out of cryosleep in the post-apocalyptic Southwest, Phoenix journeys with a hulking Kassian and a wolfish Fynn in search of an irresistible growth-inducing drug. •Cock Growth •Huge Cock •Hyper Cock •Cum Milking •Hyper Cum •Hyper Muscle •Muscle Growth •Muscle/Strength •Set in the Future •M/M Added Jan 2023 3 parts 6,673 words 3,753 views 5.0 stars (7 votes)
Andy finds Cockr gives and takes away by Clearlyhere [ ] Andy has mixed feelings about his experience with the Cockr App. He discusses it with his friend Bill. Bill comes up with a plan that is mutually beneficial. •Cock Growth •Cock Shrinking •Huge Cock •Muscle Breast •Muscle Growth •Muscle/Strength •App •Dom/Sub •Series •M/M •M/M Added Oct 2017 Updated Jun 2019 5 parts 14,003 words 33,669 views 4.6 stars (38 votes)
Angelo and Adrian by WordShop [ ] Genius Angelo and sweet Adrian are both scarred by their pasts. Angelo has to accept change in his life, and accidentally, without intending it, Adrian is forced to accept a new life for which he is not at all prepared. •Cock Growth •Muscle Growth •Muscle/Strength •Gradual Change •Hyper Pheromones •Infectious •M/M Added Oct 2017 Updated May 2018 9 parts 43,220 words 24,505 views 4.5 stars (8 votes)
Another big morning by Thatbadwriter [ ] It never fails. You’re sitting there on the living room floor with your cereal trying to watch some TV, when your dad comes down and decides Saturday morning is the perfect time to start growing and getting himself off. And then your horny brother comes home… •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Giants •Size Increase •Incest •Brothers •Father/Son •Destruction/Violence •Complete •M Added Nov 2020 1,226 words 21,719 views
Another nerd story by Sithspawn [ ] Ollie is your typical nerd who asks his neighbour for help dealing with the local bully. Tom offers some advice that leads to an encounter he'll never forget. •Cock Growth •Huge Cock •Hyper Strength •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Nanotech •M/M Added Apr 2020 Updated May 2020 2 parts 9,072 words 16,494 views 4.7 stars (10 votes)
Anthony by Chronologious [ ] Jack is having vivid dreams about his friend. Pure imagination or a sign of what’s to come? •Cock Growth •Muscle Growth •Getting Taller •Giants •Plausible Size Difference •Size Increase •Destruction/Violence •M/M Added Mar 2021 Updated Apr 2021 6 parts 16,429 words 20,423 views 4.9 stars (16 votes)
Anything to grow by Big Bull Trainer [ ] There are some with an unquenchable desire to not only grow, but to grow to unnaturally large proportions, and will go to any lengths to do it. This is a story of just such a person. •Getting Dumber •Immobility •Muscle Growth •Muscle/Strength •Transformation •Size Increase Added Aug 2016 7,815 words 43,655 views 4.4 stars (16 votes)
The apartment by BRK [ ] Sometimes what you need in a new apartment has more to do with what’s missing in your life. •Cock Growth •Huge Cock •Other Mental Changes •Muscle Growth •Getting Taller •Retcon •Complete •M/M Added Apr 2020 3,385 words 11,156 views 4.5 stars (13 votes)
An app for that by BRK [ ] That funny new phone app makes it look like you have two of whatever the camera is pointed at, but there's more to the algorithm than trick photography. •Cock Growth •Huge Cock •Multicock •Multihead •Multiarm •Multilimb •Replication •Muscle/Strength •App •Retcon •Complete •M/M Added Nov 2011 2,178 words 30,092 views 4.4 stars (13 votes)
An app for the ages by Seth Peterson [ ] An app that can change people on a whim? A totally ego-maniacal straight boy with a strong distaste toward his nerdy, unappreciative roommate? Well, things can only get more exciting from here, can’t they? •Cock Growth •Huge Cock •Butch-to-Fem •Getting Dumber •Straight to Gay •Muscle Breast •Muscle Growth •Muscle/Strength •Getting Taller •Getting Hairy •App •Nonconsensual change •M/M Added Dec 2018 3,147 words 32,822 views 4.9 stars (24 votes)
The application by SuperWaffle [ ] A powerful story in which an anthro fox named Bradley learns that a body-morphing app is a wondrous, life-changing thing for himself and for new friends as well—if it doesn’t fall into the wrong hands, that is. •Muscle Growth •Muscle/Strength •Muscle Worship •Size Increase •Getting Hairy •App •Anthro/Furry •M/M Added Apr 2015 8 parts 44,454 words 46,659 views 4.9 stars (24 votes)
The apprentice by Chance Riverwind [ ] •Muscle/Strength Added Jul 2002 1,491 words 8,163 views
(April) fool for love by BRK [ ] Joe decides he’s been pining for his roommate Rafe long enough, so he uses his sneakily-obtained knowledge of Rafe’s fringe erotica tastes and the pretext of April Fool’s day to pretend he’s set his roomie up on a blind date with his ultimate dream guy. •Huge Balls •Huge Cock •Hyper Cock •Multiarm •Multilimb •Muscle Growth •Stretchy •Getting Taller •Plausible Size Difference •Size Increase •Retcon •April Fool's Day •M/M Added Apr 2023 2,689 words 2,675 views
Are you hot by rob costas [ ] •Muscle/Strength •Nanotech Added Feb 2003 2,617 words 15,710 views
Are you sure by Dream Big [ ] Suddenly awash with money, Bill takes the plunge and follows the stories of secretly augmented men and women to a remote lab where they promise to fix everything he doesn’t like about his body. •Cock Growth •Huge Balls •Huge Cock •Self-suck •Hyper Cum •Muscle Growth •Muscle/Strength •Getting Handsomer •Getting Taller •Size Increase •Race/Ethnicity Change •Bisexual •Hetero Sex Added Nov 2019 5 parts 6,234 words 15,394 views 4.4 stars (5 votes)
The Arsenal of Secrets by BRK [ ] Griffin, tired of being smaller than his farm-brute brothers, stumbles backwards into a way to make himself more like what he wants to be: big and strong enough to catch the eye of a beautiful, bashful, broad-shouldered apprentice blacksmith named Wass. •Cock Growth •Huge Cock •Multi-abs •Multiarm •Multilimb •Muscle Growth •Transformation •Getting Taller •Size Increase •Fantasy Realm •Complete •Series •M/M Added Aug 2020 10 parts 25,796 words 8,683 views 4.9 stars (10 votes)
Arthur, the young titan by TonnyGiant [ ] This is the story of how I met Arthur, and how he became a giant, and how he dominated everything and everyone ... and how he won my heart in respect and worship. And today I can say, we love each other. •Muscle/Strength •Giants •Size Increase •Destruction/Violence •Dom/Sub •M/M Added Dec 2016 Updated Feb 2017 6 parts 12,165 words 28,157 views 4.4 stars (36 votes)
Arturo, the boss’s driver by Ash D. [ ] A young employee is captivated by the boss's very muscular driver, and Arturo doesn’t mind the appreciation. •Hyper Cum •Muscle/Strength •M/M Added Nov 2018 1,483 words 7,662 views 4.1 stars (11 votes)
As you please by Ybara Montefiore [ ] Todd stumbles upon a training camp that offers him a guaranteed routine to make him grow, but he worries what the program might be hiding. •Muscle Growth •Gradual Change •Getting Taller •Size Increase •M Added Aug 2022 Updated Oct 2022 7 parts 12,635 words 19,339 views 5.0 stars (30 votes)
Ascension by Ziel [ ] Zach awakens to find himself strapped to a table in a strange place with only a robotic voice for company. There’s a lot of questions on his mind, but none more important than what is this “ascension” the voice is talking about? •Cock Growth •Huge Cock •Hyper Cock •Cum Milking •Hyper Cum •Hyper Muscle •Immobility •Muscle Growth •Muscle/Strength •Restraints •Complete •M Added Aug 2021 3,800 words 11,376 views 5.0 stars (13 votes)
Ascension Escape Games by SomeMuscleGuy [ ] Welcome to Ascension Escape Games where you have two hours to escape the largest Escape Room in the world—alone! But be careful, if you aren’t quick enough, you may just grow too large before you can find a way out. •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Hyper Cum •Multi-abs •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Butt Growth •Foot Growth •Transformation •Voice Deepening •Getting Taller •Giants •Size Increase •Destruction/Violence •Nonconsensual change •M Added Oct 2022 6,147 words 9,118 views 4.8 stars (15 votes)
Ash & Jimmy by Eric Aaldersen [ ] Ash and Jimmy reunite after not seeing each other since childhood. Both have really grown up, in many ways, and their reunion is explosive. •Huge Balls •Huge Cock •Muscle/Strength •M/M Added May 2023 4,805 words 2,914 views 4.5 stars (15 votes)
At the cafeteria by BRK [ ] Jordan meets up with his friends at the cafeteria very late one night before midterms. They end up making a game of passing around Ethan’s ancient-recipe birthday liqueur and telling strange rumors about each other, with some unintended consequences. •Cock Growth •Huge Cock •Multicock •Muscle Growth •Muscle/Strength •Getting Handsomer •Retcon •Suggestion •Infectious •Immortality •M/M •M/M/M Added Jun 2015 3 parts 8,362 words 29,688 views 4.7 stars (42 votes)
The attack of Tchutchuca by brazboy [ ] A weird phenomenon takes place in the old colonial city of Paraty: after a strong tide, the sea turns a bit sweet, and its scent is enough to drive the males in the small town mad. Some say it’s the work of the devil, others swear it down to the old local monster Tchutchuca. The state government sends a biologist to investigate, but there is little to be done other than witness history. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Multicock •Straight to Gay •Muscle Growth •Increased Libido •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •M/M/M/... Added Jul 2022 Updated Jun 2022 8,430 words 5,146 views 4.5 stars (6 votes)
Attil|a|rt by LAComplex [ ] The 15-foot phenomenon Attila pays a visit to the world-famous Michelangelo’s David statue, having decided to offer to the world a new reference for manliness and virility. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Giants •Size Increase •Destruction/Violence Added Mar 2019 7,032 words 12,021 views
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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Man Scent •Getting Handsomer •Size Increase •Set in the Future •Series Added Jan 2014 18 parts 98,808 words 40,608 views 4.1 stars (9 votes)
The awakening by Johnny M [ ] Danny’s secret muscle-breast fantasy kink begins bleeding into the real world. •Hyper Cum •Nipple Emissions •Muscle Breast •Muscle/Strength •Age Difference •Incest •Brothers •Father/Son •M/M •M/M/M •M/M/M/... Added Jul 2012 10 parts 24,690 words 60,514 views 4.7 stars (19 votes)
The awakening by muscl4life [ ] A large young man named Dmitri doesn’t understand how he got so big, or why he has to seek a man named Zoran. But Zoran is dead, leaving him in the hands of a very confused blacksmith who must help Dmitri uncover the secrets of his size and strength. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Witch/Warlock/Wizard •Fantasy Realm •Supernatural •M/M Added Nov 2013 Updated Dec 2013 2 parts 10,413 words 19,164 views 3.6 stars (5 votes)
Away game by spacevlad [ ] College freshman Adam is the smallest guy on the football team. On an away game road trip, he gets paired up to room with Wyatt, the biggest offensive lineman on the team. Adam tries to control himself as they are forced to share a bed, but Wyatt’s massive body is hard to resist. •Muscle Growth •Muscle Gut •Muscle/Strength •Plausible Size Difference •Size Increase Added Dec 2017 2 parts 6,307 words 28,947 views 4.5 stars (22 votes)

B

Baby brother by Shawn D. Stewart [ ] "Kev, did you see a glass here?” “Whoa, man, was that yours? Sorry… I was really thirsty…” “You drank it!?” Aaaaand off we go! •Cock Growth •Muscle Growth •Muscle/Strength •Getting Taller •Incest •Brothers Added Mar 2003 2,879 words 120,515 views 4.4 stars (36 votes)
Bad suggestion by pkak2k12 [ ] I’ve learned what I say about others happens. However, I’m still figuring out how to use it, and my best friend and little brother kind of ended up being test subjects for it. •Cock Growth •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Retcon •Suggestion •Incest •Brothers •M/M •M/t Added Sep 2022 1,619 words 9,505 views 4.6 stars (22 votes)
Bait and tackle by Ziel [ ] Sapp continues his size-draining activities. This time against the speed and power of a hero called Linebacker. •Cock Growth •Cock Shrinking •Muscle Growth •Muscle Theft •Size Decrease •Size Increase •Humiliation •Superhero/Supervillain •Series Added Apr 2020 5,442 words 14,190 views 4.8 stars (5 votes)
Bakecraft and broomsticks by Ferin Rosca [ ] A new bakery opened in town. You just gotta try their sweets, they are absolutely life changing! •Cock Growth •Muscle Growth •Transformation •Plausible Size Difference •Size Decrease •Orcs •Supernatural •M/M Added Oct 2022 Updated Feb 2023 3 parts 6,447 words 6,816 views 4.9 stars (17 votes)
Bali encounter by LenZelig [ ] On a trip to Bali, a happily married couple, Pete and Lori, encounter a pair of irresistibly beautiful muscle twins named Wayan and Kadek, and then their family and friends… and things become deliciously complicated. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •First Time/Virgin •Incest •Brothers •Twins •Bisexual •Hetero Sex •Dom/Sub •M/F •M/M •M/M/F •M/M/M Added Nov 2017 Updated Dec 2017 2 parts 29,433 words 14,271 views 5.0 stars (10 votes)
The band by BRK [ ] Eager to improve his personal appearance for the sake of the band he’s fronting, Ryan finds a solution that involves dramatically changing how he looks. Now he just has to keep the weird parts of it secret from his friends and roommate. •Huge Cock •Hyper Cock •Multiarm •Multilimb •Replication •Muscle Growth •Plausible Size Difference •Size Increase •Suggestion •Complete •M/M •M/M/M Added May 2002 2 parts 7,461 words 20,439 views 4.7 stars (17 votes)
Bara juice by Smokey Digsby [ ] Baxter, a limpy junkyard poodle, starts taking supplements to enhance his body. What he gets, however, is a unexpected change during a very important date with the guy of his dreams. •Cock Growth •Huge Cock •Cum inflation •Muscle Growth •Muscle/Strength •Anthro/Furry Added Aug 2017 2,649 words 14,915 views
Barbaric times by alwaysmyway [ ] Hockey star Brett is seething with anger and bitterness after his rival has taken his leadership of the team and his girl, when a strange voice offers to show him the barbarian path to revenge. •Cock Growth •Huge Cock •Other Mental Changes •Muscle Growth •Muscle/Strength •Size Increase •Getting Hairy •Destruction/Violence •Rape •Supernatural •t •t/t Added Aug 2012 3,449 words 21,492 views 4.3 stars (7 votes)
A Barber story: The Titan Brothers by Ogrebear [ ] Two men from opposite ends of life get a world-changing haircut. •Cock Growth •Huge Balls •Huge Cock •Public Orgasm •Hyper Strength •Muscle Growth •Muscle/Strength •Getting Handsomer •Getting Taller •Plausible Size Difference •Size Increase •Age Regression •Getting Hairy •Retcon •Suggestion •Incest •Brothers •Twins •M/M Added Dec 2022 5,252 words 5,254 views 5.0 stars (8 votes)
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. •Cock Growth •Huge Cock •Nipple Emissions •Multi-abs •Multicock •Boytaur •Four Legs •Multileg •Multilimb •Muscle Growth •Muscle/Strength Added May 2011 2,124 words 62,516 views 4.4 stars (16 votes)
Basso profundo by BRK [ ] Andrew hates how puberty had been a lot kinder to his studly, alpha male jock roommates. Even his voice is higher. All that changes with a belated puberty upgrade—especially the part about his voice. •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Voice Deepening •Getting Hairy •Suggestion •Mind Control •M/M Added Jan 2021 2,030 words 17,201 views 4.7 stars (18 votes)
Baxter prep by BRK [ ] A candid interview with the man who admitted dosing the stars of his reality TV show, Baxter Prep, with serums that altered their bodies—without their knowledge. •Muscle Growth •Muscle/Strength •Size Increase •M/M •t/t Added May 2011 2,040 words 22,405 views 4.4 stars (5 votes)
Be careful what you download by Tereshky [ ] Tim Ryan learns a lesson about using Instagram filters. Pick to the wrong one and it might change more than your pics. •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Public Nudity •Social Media •M/M •M/M Added Dec 2019 3,438 words 16,577 views 4.4 stars (16 votes)
Be careful what you wish for by Tereshky [ ] “I can give you anything you wish for. Just don’t blame me if you weren’t specific enough.” A mystical man shows up to people in despair to offer the desires of their hearts, but he has a tendency to give them more than they wanted. So if a man in a gray suit comes up to you offering to give you anything you want, be careful what you wish for. •Cock Growth •Huge Balls •Huge Cock •Straight to Gay •Immobility •Muscle Growth •Muscle/Strength •Age Regression •Nonconsensual change •M/M Added Feb 2020 Updated Jun 2021 9 parts 42,479 words 51,401 views 4.8 stars (18 votes)
The bear’s cub by CurlyJin [ ] A giant man calling himself Bear takes in a young man just entering a nearby college. •Huge Cock •Hyper Cock •Muscle/Strength •Plausible Size Difference •First Time/Virgin Added Jul 2016 Updated Aug 2016 3 parts 11,777 words 21,900 views 3.9 stars (9 votes)
Bear’s den by Pfefferooney [ ] David is a small university student and he wants nothing more than to be, and be with, an enormous man. On a fateful day, he stumbles upon someone who can make his dream come true. •Cock Growth •Cockfucking •Huge Balls •Huge Cock •Hyper Cock •Nipple Emissions •Muscle Growth •Muscle/Strength •Belly Growth •Size Increase •Getting Hairy •Infectious •M/M Added Mar 2019 Updated May 2019 3 parts 9,022 words 33,246 views 4.8 stars (14 votes)
The beast by NoGoodAlias [ ] After a lonely night of drinking, Aaron decides to look for a hookup on a throw-away dating site. But when he finds more than he could have imagined, his night turns from an empty slog to a tremendous experience. •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Breast •Man Scent •M/M Added Sep 2022 3,235 words 6,275 views 4.8 stars (17 votes)
BEASTer egg hunt by Ziel [ ] Life comes at you fast, and sometimes Easter comes at you faster. Mark stumbles upon some candy filled plastic eggs which lead to some much bigger things. •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Size Increase •Easter Added Apr 2021 4,149 words 7,896 views 3.8 stars (10 votes)
Beauty is in the eye of the beholder by Transformheaven [ ] Nerdy Andrew has a crush on a cheerleading bimbo. He gains an app that allows him to make changes to his body. How will this end? •Cock Growth •Huge Cock •Hyper Cock •Getting Dumber •Straight to Gay •Hyper Muscle •Muscle Growth •Getting Taller •App •Retcon •Misogyny •M/M Added May 2022 5,327 words 10,383 views 4.0 stars (9 votes)
The becoming by Musclebuff [ ] •Muscle Growth •Muscle/Strength Added Oct 2002 2 parts 6,013 words 16,543 views 4.4 stars (5 votes)
Becoming a muscle god by Corwin [ ] Mike discovers what it's like to become a muscle god, and how awesome it is to turn the tables on the coach who’d thought he’d get to dominate the newly-grown Muscle Mike. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Giants •Size Increase •Dom/Sub Added Apr 2018 3,083 words 30,235 views 4.6 stars (9 votes)
Becoming Jeremy by Collan [ ] Two high school seniors take a chance at new lives. •Muscle/Strength •Nonconsensual change •Body Swap •Stories with Images •t/t Added Apr 2022 3,597 words 7,017 views 5.0 stars (5 votes)
Becoming the ultimate man by musclestory [ ] When a man’s ultimate dream becomes his ultimate reality. •Cock Growth •Huge Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Voice Deepening •Giants •Size Increase •Getting Hairy •t Added Aug 2003 4,565 words 88,217 views 4.4 stars (21 votes)
Bedmate by BRK [ ] Ardo passes out in a hospital but wakes up in a strange bed in a comfortable, if empty, room. And there’s a odd figure of a man looming in the doorway, waiting for him to wake up. •Multicock •Multiarm •Multilimb •Muscle/Strength •Getting Taller •M/M Added Sep 2016 2 parts 6,248 words 11,435 views 4.6 stars (7 votes)
Beefcake by Zero [ ] They say you are what you eat—especially true for magical foodstuffs with growth-inducing powers—and wimpy freshman Bradley is about to take a bite. •Cock Growth •Huge Cock •Pec Fucking •Muscle Growth •Muscle/Strength •Butt Growth •Getting Handsomer •Getting Taller •Size Increase Added Feb 2021 1,591 words 15,584 views 4.6 stars (12 votes)
The beefening by Benjamin Skipper [ ] Spencer's roommates have been growing into huge hulking beasts, focused on working out, having sex… and now, turning Spence into one of them! •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle Gut •Muscle/Strength •Plausible Size Difference •Size Increase •Getting Hairy •Dom/Sub •Nonconsensual change •M/M •M/M/M Added Feb 2018 2,274 words 50,665 views 4.5 stars (34 votes)
Being accompanied by a wolf by BeCreative [ ] Jared works in solitary as a lumberjack, but one day he meets a very special companion. •Cock Growth •Huge Balls •Huge Cock •Self-suck •Cum inflation •Hyper Cum •Muscle Growth •Muscle/Strength •Muscle Worship •Voice Deepening •Plausible Size Difference •Size Increase •Anthro/Furry •Werewolves •Complete Added Jun 2021 4 parts 11,476 words 11,702 views 4.6 stars (10 votes)
Being big by BigBoy [ ] •Huge Cock •Muscle Growth •Muscle/Strength Added Jul 2002 953 words 57,293 views 2.4 stars (25 votes)
The belt by Marc [ ] •Muscle Growth •Muscle/Strength Added Jul 2002 1,464 words 13,820 views
Ben Dover and Neil Down by Cris Kane [ ] A pair of nerds figure out a way to be popular and studly, at least for one weekend. •Muscle/Strength •Body Swap •M/M Added Mar 2022 1,123 words 3,255 views
Ben gets huge by spacevlad [ ] Matt, a kicker on a college football team, befriends Ben, a burly, bearish, muscular offensive lineman with a desire to get bigger. Matt is … able to help him with that. •Hyper Cum •Muscle Growth •Muscle Gut •Muscle/Strength •Man Scent •Giants •Plausible Size Difference •Size Increase Added Jun 2016 8 parts 17,849 words 66,718 views 4.3 stars (43 votes)
Bending the straight boys by iciss [ ] At first all those hot straight guys seemed like real jerks. And then they started getting hunkier, and hornier, and a lot more aware of each other. •Cock Growth •Huge Cock •Public Orgasm •Straight to Gay •Muscle Growth •Muscle/Strength •Getting Handsomer •First Time/Virgin •Incest •Brothers •Twins •Nonconsensual change •Infectious •M/M •M/M/M Added Jan 2008 2 parts 11,063 words 68,937 views 4.7 stars (39 votes)
The Benefactor by Proteus [ ] The Benefactor bestows favor on those he deems worthy, whether they like it or not. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Immobility •Muscle Growth •Muscle Gut •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Nonconsensual change •Supernatural •M/M Added Jan 2020 Updated Apr 2021 14 parts 15,351 words 34,983 views 4.8 stars (23 votes)
Benefit of the doubt by BRK [ ] Pete decides to do something about the way people always underestimate him because of his size. His first step is to get a tattoo... •Cock Growth •Huge Cock •Hyper Strength •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Gradual Change •Voice Deepening •Getting Taller •Size Increase •Retcon •M/M Added May 2022 3 parts 5,953 words 11,252 views 4.9 stars (20 votes)
Ben’s escapades by Kaelan [ ] Ben undergoes medical treatment to make his genitals unusually huge, but is he ready for the dramatic changes that it’ll bring to the rest of his life? •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Nipple Emissions •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers •M/M •M/M/M Added Feb 2018 Updated Jun 2018 9 parts 33,606 words 56,710 views 4.7 stars (41 votes)
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. •Cock Growth •Hyper Cock •Prehensile Cock •Nipple Emissions •Multi-abs •Muscle Growth •Muscle/Strength •Size Increase Added May 2011 3,567 words 51,482 views 4.4 stars (12 votes)
The berry by rm20 [ ] •Immobility •Transformation •Size Increase •Inflation •Nonconsensual change •Demons •Horror •M/Inh Added Apr 2006 1,134 words 13,008 views
Best birthday ever by TheSizeKing [ ] Zac is already above average. But when his birthday comes around, he gets everything he wishes for and then some. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Muscle/Strength •M/M Added Feb 2020 5 parts 14,872 words 28,207 views 4.9 stars (28 votes)
Best buds by Richard Jasper [ ] John and James, one straight, one gay, are freshman roommates. They bond over bodybuilding… and succeed beyond their wildest imaginings. •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Getting Hairy Added Feb 2020 9 parts 13,438 words 13,158 views 5.0 stars (6 votes)
Best wishes and regards by Lemur [ ] •Muscle Growth •Muscle/Strength Added Jul 2002 2,237 words 13,721 views
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. •Muscle Growth •Muscle/Strength •Size Increase •Suggestion •t/t Added Oct 2012 4 parts 31,784 words 40,592 views 4.8 stars (27 votes)
Bet you can’t have just one by Ziel [ ] Vincent was given pretty clear instructions with the new growth supplement his pal invented: “Only take one pill.” •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Giants •Size Increase Added May 2017 5,605 words 32,905 views 4.7 stars (9 votes)
Beta Danny’s day at the park by Eric Aaldersen [ ] Danny asks Luke to do some roleplaying with him when they’re in public and it has super sexy consequences. •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle Growth •Muscle/Strength •Gradual Change •Hyper Pheromones •Supernatural •Series Added Dec 2020 3,893 words 7,901 views 5.0 stars (11 votes)
Beta Logan and his big brother by Eric Aaldersen [ ] Logan has difficulty controlling himself as his older brother Brian becomes a bigger and bigger stud. •Cock Growth •Cut to Uncut •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers •Hyper Pheromones •Supernatural •Series •t/t Added Jun 2020 6,499 words 20,469 views 5.0 stars (15 votes)
Beyond ascension by lazlostrange [ ] It has long been accepted by natural belief that no man could possess divine gifts. But what could happen when one particular man becomes an exemption? •Hyper Strength •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Superhero/Supervillain •Flying Added Jul 2021 1,530 words 5,648 views
Beyond Marrakech by brazboy [ ] What lies beyond Marrakech, gateway to the inhospitable Sahara? There lie lush green oases amidst the endless sand, made possible and populated by an unusual variety of men, their society, their rules and rulers. •Always Hard •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Nipple Emissions •Public Orgasm •Muscle/Strength •Public Nudity •Increased Libido •Giants •Plausible Size Difference •Age Difference •First Time/Virgin •Incest •Brothers •Dom/Sub •Sex-Slave •Medieval(ish) •M/M •M/M/M/... Added Feb 2023 6 parts 10,358 words 2,790 views 4.8 stars (8 votes)
Beyond Olympia by Richard Jasper [ ] What happens when you're so freaking big the other Olympia competitors howl “unfair, unfair”?! •Hyper Muscle •Muscle Growth •Muscle/Strength Added Feb 2020 1,540 words 6,915 views 3.8 stars (5 votes)
Big by Joe Bell [ ] •Muscle Growth •Muscle/Strength Added Jul 2002 923 words 23,325 views
Big all over by Richard Jasper [ ] What do you do when you’re blessed (cursed?) with a giant dick? Grow a giant body, of course! •Huge Cock •Muscle Growth •Muscle/Strength Added Feb 2020 3 parts 5,484 words 8,553 views
Big Frank by Unknown [ ] •Muscle Growth •Muscle/Strength Added Jul 2002 4 parts 3,544 words 22,547 views 4.2 stars (6 votes)
Big is better by XH4M [ ] Pete and Sam experience epic growth, unexpected adventures, and sweet romance. •Huge Cock •Nipcocks •Muscle Growth •Muscle/Strength •First Time/Virgin •Demons •Witch/Warlock/Wizard •Hypnosis Added Oct 2003 32 parts 111,493 words 72,936 views 4.1 stars (14 votes)
Big Jim: Rough going by Richard Jasper [ ] Inspired by the Mattel action figures of the 1970s! Strange things happen to Big Jim, Big Jack and Big Josh on their annual trip to Joshua Tree to catch the meteor shower. •Huge Cock •Muscle Growth •Muscle/Strength •Stories with Images Added Feb 2020 5 parts 7,050 words 10,490 views
Big little rich boy by Richard Jasper [ ] Sometimes family drama makes you realize what matters—and who. •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase Added May 2003 Updated Feb 2020 8 parts 7,077 words 29,364 views 4.7 stars (12 votes)
Big men on campus by Aardvark and Cris Kane [ ] The Alpha Alpha Alpha fraternity recruits a prospective pledge who will need a few adjustments to fit in. •Hyper Muscle •Muscle Growth •Muscle/Strength •Getting Handsomer •Size Increase •Destruction/Violence Added Oct 2014 22,377 words 30,398 views 4.6 stars (16 votes)
Big project by muscl4life [ ] •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase Added Nov 2013 Updated Dec 2013 5,273 words 21,081 views
A big year by Dancer [ ] Andy gets a big surprise when a fortune teller tells him he will have big gains this year. •Cock Growth •Huge Cock •Immobility •Muscle Growth •Muscle/Strength •Gradual Change •Plausible Size Difference •Size Increase •M/M Added Mar 2018 4,317 words 22,947 views 4.8 stars (38 votes)
Bigger issues by muscl4life [ ] Thanks to Kyle, Sean discovered his serum works better than he expected… And now his freaking muscular lover each time is more intoxicated with his newly found POWER, and can such difference of muscular capacity make the couple apart? •Always Hard •Cock Growth •Huge Cock •Hyper Cock •Multi-abs •Straight to Gay •Muscle Growth •Muscle/Strength •Muscle Worship •Size Increase •Series Added Dec 2013 6 parts 46,984 words 133,343 views 4.0 stars (23 votes)
Bigger issues: Ultimate growth by muscl4life [ ] •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Increased Libido •Size Increase •Infectious •Series Added Nov 2013 Updated Dec 2013 6 parts 31,808 words 42,873 views 4.4 stars (7 votes)
Biggest by Also Known As [ ] People always ask what it’s like. Because I am that guy. I’m the biggest. And I’ll tell you exactly what that’s like, and how I made myself this way. •Always Hard •Huge Cock •Muscle Growth •Muscle/Strength •M/M Added Jan 2014 2 parts 9,229 words 25,598 views 4.6 stars (7 votes)
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." •Cock Growth •Hyper Cock •Muscle/Strength •M Added Dec 2014 5,550 words 40,738 views 4.6 stars (40 votes)
Biggest man of them all by muscl4life [ ] A short story on the life of the biggest man ever, who just happened to be short. •Huge Cock •Hyper Strength •Muscle Growth •Muscle/Strength Added Nov 2013 Updated Dec 2013 7,673 words 25,012 views 4.8 stars (10 votes)
Biking buddies by Eric Aaldersen [ ] Simon and Adam enjoy racing their bikes through the countryside together, Adam getting extra enjoyment from watching Simon’s ass as he rides ahead of him on the trail. This time, Adam gets to do more than just look. •Huge Cock •Muscle/Strength Added Dec 2005 5 parts 8,312 words 15,952 views 5.0 stars (10 votes)
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? •Cock Growth •Huge Balls •Hyper Cock •Muscle Growth •Muscle/Strength •Size Increase •Witch/Warlock/Wizard Added Jul 2002 5,755 words 49,188 views 4.1 stars (10 votes)
Birching by LucaWLee [ ] After hearing about the tale of the Krampus in the Swiss Alps, a young man heads off the beaten trail. •Hyper Cum •Hyper Muscle •Muscle Growth •Christmas •M/M Added Dec 2022 1,569 words 3,076 views
Birthday surprise by The National Endowment Committee and UnknownGentrifier [ ] Steve’s handsome boyfriend Pete brings home a special birthday gift that happens to involve a bit of growth, and a few other things as well. •Huge Cock •Nipcocks •Nipple Emissions •Muscle Growth •Muscle/Strength •M/M Added Nov 2013 4 parts 13,423 words 32,085 views 4.6 stars (16 votes)
Birthright by Josef Howard [ ] An aged superhero tries to pass on his legacy, but it’s more complicated than expected. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Superhero/Supervillain Added Jul 2002 2,345 words 14,418 views
The Black Knights by Meddler Incs [ ] Once you join the infamous college team known as the Black Knights, there are only three things that matter: lifting, fucking, and football. •Muscle Growth •Muscle/Strength •Symbiotes •Series •M/M •M/M/M/... Added Aug 2016 Updated May 2017 4 parts 6,479 words 22,062 views 4.6 stars (27 votes)
The Black Knights: Brandon by Meddler Incs [ ] “So ya wanna be a jock, bro?” Baker asks. Yeah, Brandon so wants to be a jock. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Symbiotes •Series Added Sep 2018 645 words 10,983 views 4.5 stars (6 votes)
The Black Knights: Coming home by Meddler Incs [ ] When an ex-football player, now a local newspaper reporter, investigates The Black Knights, he gets more than he bargained for. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Nonconsensual change •Aliens •Symbiotes •Series Added Oct 2018 Updated Dec 2019 14 parts 23,531 words 19,699 views 4.9 stars (15 votes)
A blended harmony experiment by IamYurNayboor [ ] A very short young crewman and an older, very tall officer get merged during an emergency evacuation in space to a strange and distant planet. •Cock Growth •Huge Cock •Muscle Growth •Getting Taller •Merging •Mind Control Added Feb 2018 Updated Jul 2018 3 parts 4,367 words 12,606 views
Blessed by the moon by Saaruu [ ] Ritzy gets back from work, exhausted. He gazes at the moon, which somehow feels… different from usual. His roommate comes back home and they both enjoy a nice adult film when the werewolf in Ritzy decides to go wild. Really wild. And big. •Hyper Cock •Cum inflation •Hyper Cum •Muscle Growth •Transformation •Size Increase •Anthro/Furry •Werewolves •M/M Added Sep 2018 3,700 words 18,507 views 4.1 stars (8 votes)
The blessing by MuscleMusic [ ] •Huge Cock •Muscle/Strength Added Dec 2012 1,247 words 13,556 views
A blessing or a curse by richard handy [ ] For the crime of desecration, forgotten Egyptian gods decide to punish Andy... though in a way he might also enjoy. •Cock Growth •Huge Balls •Hyper Cock •Muscle Breast •Size Increase Added May 2015 1,915 words 28,382 views 3.5 stars (26 votes)
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. •Cock Growth •Huge Balls •Huge Cock •Self-suck •Muscle Growth •Dildos/Toys •M/M Added Jan 2012 Updated Apr 2012 18 parts 50,288 words 65,239 views 4.8 stars (26 votes)
Blink and it’s gone by Double-U [ ] Mark is amazed he’s able to land a date with Connor, the unbelievably hot stud who approached him out of nowhere. But things get complicated when it turns out that Connor is not who he appears to be. •Muscle Growth •Muscle/Strength •Aliens Added Jun 2017 4 parts 8,569 words 11,518 views 4.6 stars (7 votes)
Blood lust by muscl4life [ ] The vampire Drago plots his revenge against his twin brother, Draco, and Kevin, Danny, and Greg get caught in the middle. •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Size Increase •Incest •Twins •Nonconsensual change •Vampires •Werewolves •Halloween •M/M Added Nov 2013 Updated Dec 2013 3 parts 9,393 words 27,660 views 4.4 stars (8 votes)
Bloodpact by Michverdun [ ] Ash has been on the run for a while, with no end in sight. After finally finding a place to stay and meeting a man named Wyatt, Ash finds the answer to Wyatt’s problems: his own blood. •Hyper Muscle •Muscle Growth •Muscle Worship •Destruction/Violence •Blood •Demons •Supernatural •Complete •Alcohol •M/M Added Feb 2023 4 parts 20,646 words 6,629 views 4.9 stars (28 votes)
Bloody pumpkin fuckers by NioSatyr [ ] Three frat bros go into the dark forest on Halloween. The blood moon shining on a wild pumpkin patch promises growth and transformation. •Always Hard •Cock Growth •Cockfucking •Huge Balls •Huge Cock •Nipcocks •Prehensile Cock •Hyper Cum •Nipple Emissions •Multi-balls •Multicock •Multiarm •Multipec •Stacking •Wings •Getting Dumber •Straight to Gay •Hyper Muscle •Muscle Breast •Muscle Growth •Stretchy •Increased Libido •Transformation •Getting Taller •Giants •Plausible Size Difference •Size Increase •Human to Animal/Anthro •Getting Hairy •Hyper Tongue •Tongue Growth •Mouthcock •Tailcock •Plants •Anthro/Furry •Dragons •Werewolves •Supernatural •Halloween •M/M/M Added Oct 2021 7,196 words 14,541 views 4.8 stars (11 votes)
Blooming season by brazboy [ ] Heitor is a member of a sexual minority looking for an accommodating place in which to live downtown—hard to do on a budget. Thankfully, Samuel is looking for someone to share the bills with, and is also a member of a different sexual minority which has its own set of challenges. Living together will prove to be more engaging than either of them had in mind. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Muscle/Strength •Increased Libido •Getting Fatter •First Time/Virgin •Hyper Pheromones •Series •M/M Added Oct 2021 8,442 words 6,619 views 4.5 stars (11 votes)
Blowing up in Hollywood by Aphon [ ] Matt eagerly accepted a movie studio executive’s offer to bulk him up for a movie role. What he wasn’t expecting, however, were the dramatic changes his special hormone milk would cause. •Cock Growth •Huge Cock •Hyper Cock •Addiction •Muscle Growth •Muscle/Strength •Getting Hairy •Dom/Sub •M/M Added Dec 2018 3 parts 2,118 words 19,234 views 4.5 stars (24 votes)
The blue banana by BRK [ ] Mike unknowingly eats an artifact of the universe. •Always Hard •Cock Growth •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •Size Increase •Suggestion •Complete •Series •M/M Added Jan 2015 3,507 words 38,092 views 4.7 stars (50 votes)
The blue daiquiri by BRK [ ] Another artifact of the universe makes an appearance, this time at a loft party to celebrate the pilot Henry scripted, Ice City, going to series. If only Henry were having as much success figuring out his feelings for his sweet but ordinary-looking roommate, Gavin. •Cock Growth •Huge Cock •Multicock •Multihead •Multiarm •Multilimb •Muscle Growth •Muscle/Strength •Getting Handsomer •Getting Taller •Suggestion •Complete •Series •M/M Added Oct 2017 9,647 words 10,743 views 5.0 stars (13 votes)
The blue pumpkin by BRK [ ] Dominic is sure his blue pumpkin jack-o’-lantern will be a hit. What he doesn’t know is what will be brought forth when he lights the candle within… •Always Hard •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Multiarm •Multilimb •Multitongue •Replication •Muscle Growth •Muscle/Strength •Stretchy •Getting Taller •Mouthcock •Incest •Twins •Merging •Supernatural •Halloween •Complete •Series •M/M •M/M/M •M/M/M/... Added Oct 2020 6 parts 8,774 words 9,554 views 4.9 stars (18 votes)
The blue reception by BRK [ ] Miserable and alone at his cousin’s high-society wedding reception, Christopher unknowing partakes of a blue-banana fruit salad he mistakes for haute cuisine—right before he starts talking up his hunky, successful, and totally nonexistent boyfriend. •Cock Growth •Huge Cock •Multicock •Muscle Growth •Increased Libido •Getting Handsomer •Voice Deepening •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •Tongue Growth •Immortality •Complete •Series •M/M Added Mar 2023 4,701 words 4,284 views 5.0 stars (5 votes)
The blue smoothie by BRK [ ] Yuri, a personal trainer, is already having a rushed and stressful day when he meets his first client, a young nurse who looks like he’s never lifted so much as a paper clip. On top of that, the banana he grabbed from the stash at the gym’s juice bar to make his morning protein shake was blue for some reason. •Cock Growth •Huge Balls •Other Mental Changes •Hyper Strength •Muscle Growth •Muscle/Strength •Suggestion •Superhero/Supervillain •Flying •Complete •Series •M/M Added Jun 2020 3,238 words 13,106 views 4.8 stars (24 votes)
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. •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 •Alcohol •Series •M/M •M/M/M •M/M/M/... Added Feb 2023 Updated Jun 2023 13 parts 63,243 words 34,594 views 4.9 stars (99 votes)
Boardwalk muscle by Lou Garou 78 [ ] A randy bathroom encounter leads to an unexpected transformation. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Merging •M/M Added Feb 2022 1,965 words 6,000 views 4.9 stars (11 votes)
The Body Builder by Greggrth [ ] Steve’s life is about to take a very strange turn when a supervillain called the Body Builder breaks into his lab and causes an accident. Will this be the origin story of a new hero’s rise to glory, or will it spell disaster for the heroes of the city when Super Dick causes all sorts of changes when he can’t control his not so little buddy… •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Muscle Growth •Stretchy •Size Increase •Lycra/Spandex •Rubber/Latex •Superhero/Supervillain •M/M •M/M/M Added Dec 2020 Updated Dec 2022 15 parts 53,632 words 58,311 views 4.9 stars (59 votes)
Body game by BRK [ ] In an experimental story based on changes generated randomly by a computer program, the already well built Marcus is invited to a warehouse where he and four others play a strange game that, turn by turn, makes their bodies randomly freakier and freakier. •Cock Growth •Huge Cock •Extra digits •Multi-abs •Multicock •Multilimb •Replication •Muscle Growth •Muscle/Strength •Size Increase •Mouthcock •Complete •Series •M/M Added Aug 2014 13,161 words 31,917 views 4.7 stars (30 votes)
Body game: Encounter 1000 by NBCK99 [ ] For the milestone thousandth encounter, six body game alumni bring their already-transformed bodies to the circle, and discover what the game’s like the second time around. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Multicock •Multiarm •Multilimb •Muscle Growth •Muscle/Strength •Detachable •Giants •Plausible Size Difference •Series Added Oct 2018 4,647 words 8,378 views 4.3 stars (9 votes)
Body game: Encounter 56 by matt1008 [ ] In a prequel to BRK’s Body game, another set of six hot guys experience the dramatic and unexpected changes the Body Game can produce. •Cock Growth •Huge Balls •Huge Cock •Nipcocks •Multicock •Muscle Growth •Muscle/Strength •Voice Deepening •Size Increase •Mouthcock •Series Added Feb 2016 10,418 words 18,451 views 4.8 stars (12 votes)
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. •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 •Series •M/M •M/M/M Added May 2016 Updated Jun 2021 9 parts 49,136 words 39,271 views 4.9 stars (27 votes)
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. •Huge Cock •Muscle Growth •Muscle/Strength •Public Nudity •Man Scent •Gradual Change •Human to Animal/Anthro •Getting Hairy •Anthro/Furry •M/M Added Mar 2013 6 parts 5,880 words 38,623 views 5.0 stars (12 votes)
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. •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 Added Apr 2021 Updated Aug 2021 9 parts 22,376 words 43,026 views 4.8 stars (46 votes)
BodyReverence by BRK [ ] Kevin finds out about an app that allows its subscribers to touch its handsome, muscular models with a new kind of virtual technology. His buddies are psyched to get in on the touching… but Kevin, who’s been getting more and more admiration for his looks and the body he’s sculpted for himself, realizes he wants to be appreciated with more than just yearning gazes and salacious comments. He wants to be touched. •Huge Cock •Multicock •Muscle Growth •Muscle/Strength •App •M/M •M/M/M/... Added Sep 2017 4,671 words 9,393 views 4.8 stars (16 votes)
Bond of the necklace by Roland Patten [ ] Zac moves into an "all gay" roomshare, but the other hot guys in his apartment are more than just roommates. •Cock Growth •Straight to Gay •Muscle/Strength Added Nov 2014 942 words 12,767 views 2.8 stars (25 votes)
The bonding by NBCK99 [ ] Roy is reluctant to meet up with Cody, the hottie he’d met online—even more so because they’re meeting up at a dance club, and Roy didn’t do clubs. But Cody manages to get Roy to see things his way, though not without some surprises for Cody, too. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Age Regression •Retcon •Suggestion •M/M Added Apr 2016 7,120 words 18,377 views 4.8 stars (13 votes)
The book in the basement stacks by BRK [ ] Eric reluctantly takes refuge from a storm in his college’s enormous and ancient library, and soon finds himself exploring parts of the stacks best left alone. •Cock Growth •Multi-abs •Muscle Growth •Muscle/Strength •Getting Handsomer •Gradual Change •Transformation •Getting Taller •Size Increase •Nonconsensual change •NS Added Oct 2021 2,887 words 10,034 views 4.6 stars (15 votes)
Book of Adam by World Muscle [ ] The story of Adam begins with a young man who just wants to have confidence in himself and his body. Little did he know that wishes are a powerful thing. •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •NS •t Added Nov 2020 Updated Feb 2021 2 parts 6,775 words 12,116 views 5.0 stars (10 votes)
The book of desires by SomeMuscleGuy [ ] After stealing a corrupted book at the gym, Michael is left growing uncontrollably by a Symbiotic Demon that only wants to swell its victims with the most size possible. But even the demon underestimates just how gigantic Michael wants to become. •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Multi-abs •Addiction •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle Worship •Public Nudity •Butt Growth •Foot Growth •Transformation •Voice Deepening •Getting Taller •Giants •Size Increase •Destruction/Violence •Nonconsensual change •Infectious •Aliens •Symbiotes •Complete •Stories with Images •M Added Dec 2022 7,676 words 12,569 views 4.9 stars (8 votes)
The Book of Ra’malek by Joshua [ ] The Book of Ra’malek tells the story of the founding of a sacred Brotherhood by the warrior king and mystic, Ra’malek. The book is also the sacred text of this Brotherhood, an elite and little-known group of warrior-mystic men. They herald from a time when men had many husbands and wives. Sex is woven into the tapestry of their rites. Is this just another erotic fiction? Or might you, dear reader, be about to embark upon a life changing journey and find yourself amongst the ranks of this ancient organisation, still shrouded in mystery? •Muscle Growth •Transformation •Horror •Supernatural •Flying Added May 2020 20 parts 3,918 words 3,851 views
The boost by Cris Kane [ ] The mysterious boost in a health club’s smoothies causes fast and dramatic changes. •Getting Dumber •Straight to Gay •Muscle Growth •Muscle/Strength Added Jul 2015 2 parts 12,889 words 23,043 views 4.9 stars (9 votes)
Boost by oswaldthefiasco [ ] Tired of being small, Brian finds a new supplement to kickstart his growth. After not properly reading the instructions, the supplement works a little too well. •Muscle Growth •Belly Growth •Getting Taller •M Added Apr 2023 1,673 words 4,359 views 5.0 stars (5 votes)
Boosted by West [ ] Phil has a clumsy moment, and suddenly the school’s Augmented Reality room ends up being so much more. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Multi-abs •Hyper Muscle •Muscle Growth •Muscle/Strength •Getting Handsomer •Getting Taller •Plausible Size Difference •Size Increase •Tongue Growth •A.I.-Controlled Change •App •Incest •Brothers •Infectious •Complete Added Aug 2021 Updated Sep 2021 3 parts 5,429 words 14,476 views 4.6 stars (19 votes)
Bo’s Builder Bear Workshop by Richard Jasper [ ] Strange doings at the hunky gay businessman’s popular teddy-bear emporium. •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase Added Apr 2020 4 parts 5,798 words 5,678 views
Boston by Marzart69 [ ] •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase Added Jul 2002 8,358 words 22,577 views
Bottom mega-alfa by Jerkoffcentral [ ] Lit prof Jonas has been lusting after the exceptionally muscular students on his prep school survival outing, but even more after the massive gym teacher Noah, who’s so alpha he has trouble controlling just how massive he is—especially when he’s aroused by an admirer’s obsessive lust. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Getting Hairy •Dom/Sub •Nonconsensual change •Werewolves •M/M Added Nov 2014 Updated Dec 2017 8 parts 21,520 words 71,197 views 4.7 stars (56 votes)
Bound to Ben by TFWizard [ ] David and Ben are friends and cousins, but while David is athletic and likes working out, Ben hasn’t had the drive to keep himself fit. That changes when David gets put in charge of Ben’s body. •Muscle Growth •Muscle/Strength Added May 2005 1,503 words 15,020 views 3.3 stars (7 votes)
Bound together by NBCK99 [ ] When you have the ability to "push" people to be bigger and hotter, and not a lot of self-control, a really cute repairman can be a challenge—especially if things don’t go quite the way they’re supposed to. •Multicock •Multiarm •Multilimb •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •M/M Added Jan 2016 4,818 words 14,894 views 4.6 stars (34 votes)
The box by BRK [ ] Steve gets a box of clothes from his mysterious and beautiful brother, Peter, and it turns out the clothes have an amazing effect on his already unusual body. •Cock Growth •Huge Cock •Public Orgasm •Extra digits •Multicock •Multihead •Four Legs •Multiarm •Multileg •Multilimb •Replication •Muscle Growth •Stretchy •Getting Handsomer •Getting Taller •First Time/Virgin •Incest •Brothers •Witch/Warlock/Wizard •Series •M/M •M/M/M •M/M/M/... Added Dec 2002 Updated Sep 2019 8 parts 29,657 words 27,253 views 5.0 stars (13 votes)
The boy god moves in by Richard Jasper [ ] This one is a continuation of LuvMusl’s classic story, Boy God. He kindly agreed to let me play with his characters. And, me being me, this one is very much in my style, not his. •Huge Cock •Muscle Growth •Muscle/Strength •Age Difference Added Aug 2020 3,727 words 5,983 views
Boy in a bag by Absman420 [ ] Maybe there’s such a thing as too much hormone therapy… •Cock Growth •Huge Cock •Getting Dumber •Other Mental Changes •Muscle Growth •Muscle/Strength •Age Regression •Nonconsensual change Added Oct 2020 7,534 words 15,031 views 4.7 stars (11 votes)
The boy who cried big by Kalos Kiryu [ ] When a potential boyfriend suspects his lover of lying about his true size, he accidentally gives him more than he ever cared to have. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •M/M Added Mar 2019 4,509 words 18,404 views 4.8 stars (13 votes)
Boys will be boys by FanTCMan [ ] •Muscle Growth •Muscle/Strength Added Aug 2002 1,823 words 24,267 views 4.1 stars (14 votes)
The boytaur next door by BRK [ ] Phil moves into a new apartment and is perplexed and aroused to discover that his new next-door neighbor has more going for him than most guys do. •Always Hard •Cock Growth •Huge Cock •Multicock •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Multipec •Stacking •Muscle Growth •Always Shirtless •Gradual Change •Getting Taller •Retcon •Witch/Warlock/Wizard •Complete •M/M Added Mar 2022 4 parts 7,551 words 4,059 views 5.0 stars (8 votes)
Boytaurs from Outer Space! by BRK [ ] Sev, the commander of a Taurian survey mission, judges Earth suitable for cultivating an aggressive alien grain, but the danger to Earth’s ecosystem drives the idealistic Elek to rebel and flee with some valuable equipment. When a conflicted Kiyy chases him, they both encounter the strange inhabitants and discover that humans and Taurians find each other mutually captivating. •Huge Cock •Multicock •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Muscle Growth •Muscle/Strength •Incest •Twins •Aliens •Space Travel •M/M •M/M/M •M/M/M/... Added Jun 2015 Updated Oct 2016 6 parts 13,050 words 15,015 views 4.4 stars (16 votes)
The boytaurs of Bel-Air by BRK [ ] When Steve’s attempts at bringing boytaurs into popular awareness through CGI ends up being a disaster, his only recourse is to use the real thing. •Multicock •Boytaur •Multiarm •Multileg •Multilimb •Muscle Growth •Incest •Twins •Complete •M/M •M/M/M Added Mar 2004 3,080 words 8,949 views
Brad’s big change by FanTCMan [ ] Brad, secretly yearning for a muscle body, is nudged into action by a posting on a bulletin board. •Muscle Growth •Muscle/Strength •Getting Handsomer •M/M Added Dec 2002 5 parts 16,500 words 71,314 views 4.6 stars (28 votes)
Brandon’s bro by FanTCMan [ ] Brandon initiates his brother onto a secret society of guys who are being made more and more muscular, hung, and sexy. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Hairy •Incest •Brothers Added Jan 2017 4 parts 8,692 words 25,763 views 4.5 stars (25 votes)
Breaking big by Ziel [ ] Tim had the bright idea to craft a special serum that would boost the size of his painfully average dick in order to show off and hopefully woo one or both of his crushes, and it worked! Oh boy, did it work, but things take a turn for the extreme when Tim’s growth reaches extremes he’d never dreamed of, and then there’s the issue of Tim’s two crushes... •Cock Growth •Cockfucking •Huge Balls •Hyper Cock •Hyper Cum •Immobility Added Jan 2016 7,492 words 24,584 views 4.7 stars (17 votes)
The breakthrough by Gigantic Mr.B [ ] One lapse in concentration sets off an unstoppable chain of events for an 18-year-old lab intern, Ben. •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Muscle •Hyper Strength •Muscle Growth •Butt Growth •Gradual Change •Getting Taller •Size Increase •Infectious •M/M Added Apr 2022 Updated Sep 2022 5 parts 18,273 words 26,866 views 4.8 stars (38 votes)
Brian and Ramón by BRK [ ] Brian, the surprisingly muscular HR guy, and Ramón, the irresistibly sexy developer guy, enjoy each other’s company behind Brian’s closed office door. •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Voice Deepening •Series Added Jun 2021 1,741 words 5,859 views 3.5 stars (6 votes)
The Bridge by Stumpjumper [ ] A safety technician is exposed to an artificial intelligence that rebuilds him and his best friend in ways they can't imagine. A decade later, the repercussions are still unfolding. •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Man Scent •Transformation •Getting Hairy •A.I.-Controlled Change •M/M Added Jun 2019 5,446 words 13,294 views 4.7 stars (11 votes)
Brody by TreborNawoc [ ] After being transformed by Dylan, Brody and his boyfriend have some fun exploring his new body. •Cock Growth •Huge Cock •Hyper Cock •Extra facial features •Muscle Growth •Stretchy •Vore •Series •M/M Added Oct 2021 1,465 words 6,964 views 5.0 stars (168 votes)
Brother dear by MsclGuy [ ] •Muscle/Strength •Incest •Brothers Added Jul 2002 766 words 27,601 views 3.9 stars (8 votes)
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. •Huge Cock •Muscle/Strength Added May 2006 12,744 words 138,002 views 4.7 stars (96 votes)
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. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Muscle Growth •Muscle Gut •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers •Merging Added Dec 2015 7,666 words 44,375 views 4.8 stars (19 votes)
Brotherly love by TheSizeKing [ ] Reece is a 20-year-old guy who has everything going for him in life: good looks, good brains, good personality, even a well-above average endowment between his legs. His younger brother, Michael, is exactly the opposite. Michael is about to turn 18, and could use a little boost before he goes out into the adult world. •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers •M/t Added Apr 2020 5 parts 7,816 words 16,949 views 4.9 stars (17 votes)
The brothers by FanTCMan [ ] Cory Callahan and his three sibs participate in a secret program, resulting in more muscles, body hair, cock size, and horniness. •Always Hard •Cock Growth •Huge Cock •Addiction •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Getting Hairy •Incest •Brothers Added Mar 2003 8 parts 22,620 words 107,977 views 4.8 stars (93 votes)
Brute growth by Zhu and YungFrancis [ ] Having outgrown his previous digs, giant muscle freak Mute commissions a bigger house from fellow freak and architect Zhu. Zhu and his assistant Dohn join him for a meal, and they’re already turned on by each other’s crazy size even before they share some very special cigars. •Huge Balls •Huge Cock •Hyper Cock •Hyper Muscle •Immobility •Muscle Growth •Muscle/Strength •Giants •Plausible Size Difference •Size Increase •Tongue Growth •Tobacco Added Dec 2018 2 parts 8,446 words 13,870 views 3.8 stars (5 votes)
Buck by BRK [ ] Davis is taken aback when a cocky new partner he’s never met before climbs unexpectedly into his car during a stake-out. But it’s what Buck has to say that really takes him by surprise. •Straight to Gay •Muscle Growth •Muscle/Strength •Suggestion •M/M Added Aug 2017 5,289 words 15,908 views 4.8 stars (15 votes)
Build-A-Hunk by YellowJester [ ] Hunk Tech’s new Build-A-Hunk allows you to customize everything about a man. Gwen seizes upon this opportunity to get the husband she always wanted. •Cock Growth •Other Mental Changes •Muscle Growth •Getting Handsomer •Getting Taller •Hetero Sex •M/F Added Jul 2022 4,641 words 5,882 views 4.7 stars (7 votes)
Bulgey boi by Ziel [ ] Boey wins a pair of briefs from a new brand called Bulgey Boi. All he has to do is fill out a quick questionnaire. How Bulgey is best? The bulgier the better, right? •Cock Growth •Huge Cock •Hyper Cock •Immobility •Muscle Growth •Size Increase •M Added Jul 2022 4,922 words 9,792 views 5.0 stars (8 votes)
Bulking by Proteus [ ] Sometimes, when people have a crush on their hunky roommate, they act on it by secretly trying to make the guy progressively hotter. •Muscle Growth •Muscle Gut •Muscle/Strength •Butt Growth •Gradual Change •Getting Hairy Added Mar 2013 6 parts 7,143 words 50,054 views 4.6 stars (18 votes)
The bull and the wolf by MoonlightSerenade [ ] An ancient, powerful, immortal werewolf enters a new city ready to dominate, only to become captivated by a virile minotaur who won't let the new man get his way and proves to be the only man capable of dominating over even him. •Huge Balls •Huge Cock •Muscle/Strength •Man Scent •Voluptuous Men •Destruction/Violence •Dom/Sub •Restraints •Hyper Pheromones •Anthro/Furry •Werewolves •Fantasy Realm •Urban Fantasy •Immortality •Complete •M/M Added Mar 2023 1,922 words 1,839 views
Bull brothers by brazboy [ ] Caio and André live together in their family farm, burdened by the loans inherited from their parents. Caio supports both of them selling his milk, but his younger brother still wants to contribute, even if he has to do it behind his elder’s back. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Cum Milking •Hyper Cum •Nipple Emissions •Hyper Muscle •Muscle Breast •Muscle Growth •Incest •Brothers •M/M Added Nov 2021 3 parts 11,985 words 13,932 views 4.8 stars (10 votes)
Bull in Palm Springs by Richard Jasper [ ] It all started with that chicken salad sandwich at Sherman’s. •Huge Cock •Muscle Growth •Muscle/Strength Added Apr 2020 5 parts 5,776 words 5,782 views 5.0 stars (6 votes)
Bull’s gene by Opin [ ] Dean goes on a date with Henry, a huge professor, whose strength exceeds every expectation. •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 Added Aug 2020 Updated Oct 2022 8 parts 12,415 words 37,396 views 4.7 stars (24 votes)
Bull’s strength by muscl4life [ ] On a quiet farm far from anywhere, an orphan named Joshua grows up so huge and strong that he’s bullied for being a freak. His aunt and uncle raise him with love and teach him to accept who he is, but Joshua yearns to be among men who don’t just accept his giant body, but love and admire his amazing size and power. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Multi-abs •Multicock •Muscle Growth •Muscle/Strength •Muscle Worship •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Age Difference •Bestiality •Incest •Father/Son •Destruction/Violence •Infectious •Flying •M/M •M/M/M •M/M/M/... Added Jul 2018 Updated Oct 2018 28 parts 88,398 words 82,821 views 4.8 stars (39 votes)
The bunker by JayPat [ ] Fleeing some bullies, three teens hide in a secret abandoned bunker hidden in the Arizona wilds where they find some antiquated computer equipment that they really should’ve left alone. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase Added Nov 2018 5 parts 27,642 words 17,454 views 4.3 stars (21 votes)
Burst by BRK [ ] In a sealed-off underground bunker, exposure to a tear in the fabric of space-time created by an illegal energy experiment is producing some interesting changes in the men trapped inside. And on top of everything else, it’s Christmas, and there’s no way they’ll ever see home again… •Cock Growth •Huge Cock •Multicock •Replication •Other Mental Changes •Hyper Strength •Muscle Growth •Muscle/Strength •Always Shirtless •Stretchy •Getting Handsomer •Transformation •Getting Taller •Size Increase •Aliens •Christmas •Complete •M/M •M/M/M Added Dec 2020 3 parts 11,494 words 10,700 views 4.6 stars (13 votes)
Business affair by Also Known As [ ] Terry wasn’t gay. He wasn’t, he wasn’t, he wasn’t. So why was even the thought of his new co-worker, John Smith, getting him so hot? Can he survive the upcoming business meeting without blowing… his cool? •Cock Growth •Cut to Uncut •Huge Cock •Muscle Growth •Muscle/Strength •M/M Added Jan 2014 2 parts 6,277 words 16,624 views 5.0 stars (10 votes)
Business trip by BeefyDutch [ ] Bill is a hardworking guy who travels. Before he leaves for his current trip, his coworker André slips some of his new protein supplement into his coffee with some big side effects. •Cock Growth •Huge Cock •Hyper Cum •Muscle Growth •Belly Growth •Getting Taller •Size Decrease •Getting Fatter Added Aug 2021 7,889 words 12,283 views 4.5 stars (12 votes)
But I will do anything by WordShop [ ] Twenty-two-year-old Carlos is handsome, charming, and a great looker, but with self-doubts over a lithe lean body when he always wanted muscle. So he places an ad in a personals column looking for the trainer who could mold him. Be careful what you wish for… •Cock Growth •Huge Balls •Hyper Cock •Immobility •Muscle Growth •Muscle/Strength •Getting Hairy Added Sep 2017 Updated Dec 2017 3 parts 8,532 words 24,208 views 4.7 stars (15 votes)
But what if we didn’t by screamingmoist [ ] A pair of obnoxious guys have their problematic behavior called out, resulting in a whole new perspective. •Cock Growth •Cock Shrinking •Muscle/Strength •Size Decrease •M/M Added Jul 2022 4,342 words 4,289 views
By design by paul shearon [ ] A few months ago we found out about a new clinic specialising in radical genetic alternation. Designer bodies on demand…. if you could afford it. We decided to afford it, and my boyfriend Jamie just got back. •Huge Cock •Muscle Growth •Muscle/Strength •M/M Added Nov 2011 2 parts 5,554 words 21,569 views 4.6 stars (7 votes)
BYBF: Build Your Boyfriend by eyematerror [ ] Desperate for love, Tim uses a magical new service to create his ideal boyfriend. In the process, however, he finds himself saddled with responsibility… •Muscle/Strength •Centaurs Added May 2021 7,104 words 3,515 views 4.7 stars (7 votes)

C

C is for… by King Dave [ ] Owen decides to order some custom health supplements online. He never expected them to have these kinds of side effects. •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Age Regression Added Feb 2021 Updated Mar 2021 4 parts 8,701 words 17,017 views 4.9 stars (13 votes)
The cabin by HugeEndowments [ ] A story about two friends and some excessive sizes. •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Muscle Worship Added Mar 2021 2 parts 9,239 words 9,045 views 5.0 stars (13 votes)
Cadence by BRK [ ] Lucius, an ex-ancient Roman whose peculiar curse involves the beauty of the men around him, suddenly finds that everything he thought he knew about his uncontrollable abilities has changed when he's discovered by a trooper one night sleeping in his car on a lonely stretch of Midwestern highway. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Getting Taller •Plausible Size Difference •Size Increase •Destruction/Violence •Witch/Warlock/Wizard •Immortality •Ancient Era •M/M Added Nov 2016 Updated Mar 2019 6 parts 30,727 words 19,815 views 4.6 stars (14 votes)
CAFE blues by JayPat [ ] Five-foot-nothing Colin dreams of getting bigger. Then he meets muscle-stud Charles’s dazzling brother Sky and all of his fantasies intensify, leading to his seeking out the secrets of height and muscle growth. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Series •t/t •t/t/t Added Aug 2019 5 parts 26,121 words 14,856 views 4.2 stars (9 votes)
Cafe Darwin by Dreammaker [ ] A few short scenes set at a café where the drinks do more than just perk you up. •Cock Growth •Hyper Cock •Multilimb •Muscle Growth •Muscle/Strength Added Mar 2012 Updated Feb 2013 4 parts 1,754 words 24,608 views
The cake by Orion [ ] Matt is an average college student, frustrated with his below average body. But that is unexpectedly about to change, thanks to a little bit of magic. •Cock Growth •Huge Balls •Hyper Cock •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy Added Feb 2017 4,757 words 27,302 views 4.0 stars (7 votes)
Canticle of the Fair King by brazboy [ ] A fable showing the immense wisdom of the Fair King, as he is challenged by a vile noble with a riddle which apparently has no right answers. •Hyper Cock •Hyper Cum •Nipple Emissions •Hyper Muscle •Muscle Breast •Incest •Brothers •Twins •Restraints •Fantasy Realm •M/M •M/M/M Added Sep 2022 6,693 words 2,543 views
Carlos Bunda and the billion-dollar dildo by brazboy [ ] Carlos Bunda is Brazil’s number 1 secret agent, and is about to embark on a tense mission: rescuing the last of the four billion-dollar dildos which were lost after the fall of the Soviet Union. The task to retrieve this invaluable weapon sends him to Paris where he encounters Julien Monet, a former member of the French communist party who wants the power of the dildo for himself, not to mention the “bears”—a trio of Russian assassins desperate to recover their national secret weapon. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Increased Libido •Getting Taller •Giants •Plausible Size Difference •Size Increase •Dildos/Toys •M/M •M/M/M Added Dec 2021 2 parts 9,240 words 4,671 views 4.7 stars (6 votes)
Casey’s machine by FanTCMan [ ] Casey claims to have invented a muscle-growing machine, but Mike is understandably skeptical. •Muscle Growth •Muscle/Strength •M/M Added Aug 2002 4,566 words 22,798 views 4.7 stars (10 votes)
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. •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/... Added Jul 2022 Updated Mar 2023 13 parts 48,296 words 36,680 views 4.9 stars (70 votes)
Catboy chronicles by Eriknl77 [ ] How a new mobile app changes the entire life of a young jock who can’t resist turning himself first into a plant and then into a feline-muscleboy hybrid. •Muscle/Strength •Transformation •Human to Animal/Anthro •App Added Oct 2018 4,225 words 8,074 views
Catfished by MuscleNexus [ ] Rory his getting exasperated with the selection of unappealing men on his dating app. Then he comes across Buck, only a half mile away and looking for twinks over muscle. What his profile doesn’t say is why. •Muscle Growth •Transformation •Getting Hairy •Nonconsensual change Added Sep 2018 1,694 words 13,768 views 4.1 stars (10 votes)
Cave of worshippers by SomeMuscleGuy [ ] After a strange workout session with his friend Ben, Mike wakes up restrained in a cave, surrounded by cultists who want to make him their muscle god. •Always Hard •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Multi-abs •Addiction •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle Worship •Butt Growth •Increased Libido •Foot Growth •Transformation •Voice Deepening •Getting Taller •Forced Growth •Plausible Size Difference •Size Increase •Getting Hairy •Dom/Sub •Nonconsensual change •Restraints •Absorption •Complete •M/M Added Jan 2023 8,219 words 9,698 views 4.3 stars (9 votes)
Cave on the Moon by brazboy [ ] First contact? A large cave is identified on the Moon. It is apparently ancient, but also not at all natural. Humans, curious as ever, sent a team of astronauts to investigate it. What they find changes everything, and everyone, forever… •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Public Orgasm •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Increased Libido •Getting Taller •Giants •Plausible Size Difference •Size Decrease •Destruction/Violence •Nonconsensual change •Aliens •Androids/Cyborgs •Space Travel •M •M/M •M/M/M Added Nov 2021 3 parts 9,726 words 11,015 views 4.4 stars (13 votes)
Centaurian by Rick Haydn Horst [ ] When an unusual man comes into the protection of Officer Liam Phillips, Liam doesn’t know what he’s in for. His world gets broadened and turned upside down in this adventure of love, sex, gods, a one-quarter equine, and a vacation he will never forget. •Cock Growth •Huge Cock •Muscle Growth •Centaurs •Fantasy Realm •Immortality •M/M Added Nov 2021 Updated Jun 2022 9 parts 88,968 words 9,437 views 4.8 stars (20 votes)
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. •Cock Growth •Huge Cock •Hyper Cock •Nipcocks •Hyper Cum •Nipple Emissions •Multi-abs •Muscle Growth •Muscle/Strength •Voice Deepening •Size Increase •Incest •Twins •Demons •Ancient Era •M/M •M/M/M •M/M/M/... Added May 2014 Updated Jan 2019 12 parts 38,226 words 54,803 views 4.9 stars (49 votes)
The challenge by BRK [ ] A crop of fraternity pledges are given a unique challenge: to create the perfect man out of a set of randomly assigned abilities. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •M/M •M/M/M/... Added Sep 2010 2,956 words 21,962 views 4.9 stars (11 votes)
The Champion by Mikeytron [ ] A twist on the “be careful what you wish for” formula, regarding the history of an implausibly huge Mr. Olympia champion. •Hyper Muscle •Muscle Growth •Muscle/Strength •Demons •Supernatural •Complete Added May 2021 2 parts 10,261 words 12,444 views 4.8 stars (38 votes)
The Change by Richard Jasper [ ] A skinny researcher’s muscle growth experiments on himself make for impressive changes. Then he tries them out on his friend, who’s already muscular. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Series Added Feb 2009 4 parts 6,368 words 30,049 views 5.0 stars (5 votes)
The Change continues by Richard Jasper [ ] The Change is unstoppable, spreading rapidly through the gay male population, while those who first experienced it revel in their increasingly wild transformation. •Cock Growth •Huge Cock •Muscle Growth •Getting Taller •Size Increase •Nonconsensual change •Infectious •Series Added Apr 2020 6 parts 6,405 words 11,029 views
Change for the better by TwiliteTM [ ] •Muscle Growth •Muscle/Strength Added Jul 2002 2,531 words 12,612 views
Changeday by MaxMorphs [ ] Now that all of the changes to your body take place all at once on the same day every year, Andrew and his two college buddies are doing everything they can to make their Changedays as dramatic as possible. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Belly Growth •Getting Taller •Size Increase •Getting Hairy •Getting Fatter Added May 2020 5,212 words 13,582 views 4.7 stars (9 votes)
Changes in Bigby Heights by NBCK99 [ ] Alex Stevens has always been shy, being the only boytaur in Bigby Heights, but Jesse helps bring him out of his shell. But after their first encounter, reality seems to shift. •Always Hard •Cock Growth •Huge Cock •Self-suck •Multi-abs •Multicock •Boytaur •Four Legs •Multiarm •Multilimb •Muscle Growth •Muscle/Strength •Getting Taller •Retcon •Infectious •M/M •M/M/M Added Jun 2010 Updated Sep 2010 3 parts 5,173 words 24,130 views 4.7 stars (22 votes)
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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Lycra/Spandex Added Oct 2010 Updated Jun 2011 3 parts 14,283 words 48,202 views 3.7 stars (14 votes)
The changing by NBCK99 [ ] After an encounter with an ancient book of Irish poetry that sure seems a lot like a spell grimoire, three friends discover they’ve set something in motion that will change everything—for themselves and, before long, for everyone else as well. •Huge Cock •Multilimb •Muscle Growth •Muscle/Strength Added Jun 2016 2 parts 5,286 words 9,134 views 5.0 stars (7 votes)
Changing fortunes by MuscleAndBulge [ ] Mark is seeking help with a relationship that has lost its spark. He is pointed in the direction of a fortune teller who has some extra skills that help Mark and Erik rekindle their love life. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Muscle Worship •Lycra/Spandex •M/M Added Jun 2021 Updated Jul 2021 2 parts 6,137 words 12,902 views 4.9 stars (17 votes)
Changing Nick by BRK [ ] Nick’s computer starts offering him choices between one kind of transformation and another. He soon learns he’s been drawn into a strange conspiracy, even as the changes start to spread to friends, strangers, and secret allies. •Always Hard •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 •Nonconsensual change •Merging •Witch/Warlock/Wizard •Invisibility •M/M •M/M/M •M/M/M/... Added May 2013 Updated Jul 2022 18 parts 69,664 words 110,428 views 4.7 stars (38 votes)
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. •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Size Decrease •Size Increase •Inflation •App Added Jul 2015 6 parts 10,718 words 38,612 views 4.5 stars (24 votes)
Check this mate by brazboy [ ] Pedro loves drinking mate tea, so when he finds the products of a fancy-looking new brand for sale in his local supermarket he decides to buy two packages. As soon as he arrives home, he makes himself some chimarrão which, as always, he offers to his handsome boyfriend Alexandre. The strong and addictive flavor enchants both of them, but that’s not the end of their surprises… •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Nipple Emissions •Hyper Muscle •Pec Fucking •Immobility •Muscle Growth •Muscle/Strength •Increased Libido •Voice Deepening •Getting Taller •Giants •Size Increase •Tongue Growth •M/M Added Mar 2022 Updated Apr 2022 2 parts 8,935 words 11,945 views 4.6 stars (8 votes)
Chest cologne by Musclesaber [ ] When Jacob is worried about his Valentine’s Day date with the biggest and hottest guy at the gym, he gets some help from his friend Sam for his little problem. •Cum inflation •Hyper Muscle •Pec Fucking •Muscle Growth •Inflation •Destruction/Violence •Valentine's Day •M/M Added Feb 2022 3 parts 7,198 words 9,270 views 4.6 stars (8 votes)
Choranaptyxic by Marquis de Rent [ ] A young man uses a dating app to have some fun. Everything goes well until his date inexplicably starts to grow... •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Plausible Size Difference •Size Increase Added Feb 2017 2,807 words 18,270 views 4.8 stars (12 votes)
Chris olympus by FanTCMan [ ] •Cock Growth •Straight to Gay •Muscle Growth •Muscle/Strength •Getting Hairy •Age Difference •Incest •Father/Son Added Dec 2002 3 parts 9,167 words 37,728 views 4.5 stars (21 votes)
Christmas gains by pkak2k12 [ ] A simple rhyming couplet story of Santa giving a good young man some big gains. •Cock Growth •Muscle Growth •Getting Taller •Size Increase •Christmas •Complete •NS •t Added Dec 2022 522 words 3,638 views 4.7 stars (6 votes)
The Christmas ghost of FitzHardinge Manor by BRK [ ] A sometimes dark tale of a young man consigned to the guardianship of witches, only to be turned by a sex-starved, secrecy-obsessed sorcerer-suitor into a being unheard and unseen, capable of sharing the pleasure of touch, but bound to a single day of the year; and how from these ashes he rises to find what he can become in this new life that has been forced upon him. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Size Increase •Destruction/Violence •Mermen •Ghosts •Incubus/Succubus •Witch/Warlock/Wizard •Supernatural •Christmas •Immortality •Invisibility •19th Century •M/M •M/M/M Added Dec 2017 Updated Dec 2018 3 parts 22,408 words 14,273 views 4.9 stars (15 votes)
A Christmas miracle by Unknown [ ] What’s Santa packing as a Christmas gift for scrawny Tim? In Tim’s dreams, it’s muscle, for starters. •Muscle Growth •Muscle/Strength •Christmas •M •M/M Added Jun 2002 2 parts 2,160 words 25,331 views 4.8 stars (6 votes)
Christmas presence by Also Known As [ ] A hunky hookup artist gets a magical midnight visitor on Christmas Eve who’s more than a match for him. •Cock Growth •Huge Cock •Muscle Growth •Plausible Size Difference •Size Increase •Christmas •Complete •M/M •M/M/M/... Added Dec 2022 6,441 words 3,750 views
A Christmas wish by Buck Reams [ ] Writing out your fantasies can have practical consequences, if you do it on a scrap of paper you forgot came from a magical tome. •Cock Growth •Huge Balls •Huge Cock •Nipcocks •Hyper Cum •Nipple Emissions •Muscle Growth •Muscle/Strength •Transformation •Size Increase •Getting Hairy •Nonconsensual change •Infectious •Christmas •M/M Added Dec 2019 1,975 words 17,880 views 4.8 stars (22 votes)
Christmas wish by Riu [ ] Two grown-up brothers follow their childhood tradition of waiting up for Santa. Only this time, after a few shots of special whiskey, a different kind of Christmas wish is granted. •Cock Growth •Huge Cock •Hyper Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Suggestion •Incest •Brothers •Christmas •M/M Added Dec 2016 3,925 words 26,306 views 4.8 stars (30 votes)
ChristMASS by Musclesaber [ ] Four men are transported to the North Pole to compete for the title of “The New Santa Claus”. Little do they know what magic can really do to them as one by one, they are each eliminated. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Muscle Growth •Belly Growth •Getting Taller •Giants •Inflation •Christmas Added Dec 2020 4 parts 9,454 words 12,026 views
The chronicles of Besar Otot by OneLuckyGuy89 [ ] On a distant unknown island near Indonesia called Besar Otot, Kenny Masters returns home a new man and intends to change his family as well. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Multicock •Gender Swap •Straight to Gay •Muscle Growth •Muscle/Strength •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Age Progression •Getting Hairy •Age Difference •Incest •Brothers •Father/Son •Nonconsensual change •Hyper Pheromones Added Jan 2020 Updated May 2021 8 parts 25,601 words 18,851 views
Chronivac in the workplace by Dusk Skull King [ ] When a good looking straight guy comes in with his wife, how can I resist not messing with them? •Cock Growth •Getting Dumber •Straight to Gay •Muscle Growth •Age Regression •App •Retcon •Nonconsensual change •M/M Added Jul 2022 Updated Aug 2022 2 parts 5,227 words 7,179 views 4.3 stars (7 votes)
Chuck, the size thief by spacevlad [ ] Chuck, a middling-sized construction worker who wishes he were bigger, finds a way to grow huge. •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 •Rape •Absorption •M/M Added Jun 2017 Updated Dec 2017 16 parts 42,078 words 108,785 views 4.5 stars (27 votes)
The cleric’s infernal husband by Eclipse [ ] The Demon Lord who has conquered most of the mortal world has finally met his match: a simple cleric. •Muscle Growth •Demons •Fantasy Realm •Supernatural •M/M Added Oct 2021 6,498 words 3,863 views 4.9 stars (13 votes)
Climax doesn’t always mean release by BRK [ ] Jared is pretty much an expert at sucking himself off and producing a super-intense orgasm doing it. Which is good considering how much he needs to cum these days, especially if he’s watching the hunky guys who play basketball on the outdoor court under his apartment window. •Huge Cock •Self-suck •Muscle/Strength •M •M/M/M/... Added Oct 2021 2,048 words 5,226 views 4.5 stars (6 votes)
The clockwork dial by RdyRoger [