Muscle Breast

• 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 48,909 views 3.4 stars (18 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 33,028 views 4.6 stars (38 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 31,790 views 4.9 stars (28 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 59,614 views 4.7 stars (19 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 5,834 views 4.8 stars (17 votes)
• 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 28,092 views 3.5 stars (26 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 13,489 views 4.8 stars (11 votes)
• Bull brothers by brazboy  [  ]  Caio and André live together in their family farm, burdened by the loans inherited from their parents. Caio supports both of them selling his milk, but his younger brother still wants to contribute, even if he has to do it behind his elder’s back.  •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Cum Milking •Hyper Cum •Nipple Emissions •Hyper Muscle •Muscle Breast •Muscle Growth •Incest •Brothers •M/M  Added Nov 2021 3 parts 11,985 words 13,209 views 4.8 stars (10 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 2,289 views
• Cow-boy by JKL  [  ]  Where does milk come from if cows are not raised as livestock? You're about to become the source.  •Cock Growth •Nipple Emissions •Muscle Breast •Muscle Growth •Belly Growth •Getting Taller •Size Increase •Human to Animal/Anthro •Getting Hairy •Inflation  Added Jan 2019 1,606 words 31,231 views 4.5 stars (13 votes)

• Daddy’s boy by Seth Peterson  [  ]  What happens when a cocky, overly narcissistic businessman oversteps courtesy? Why, muscle-growing, mind-altering, submission-inducing karma, of course!  •Cock Growth •Huge Cock •Nipple Emissions •Getting Dumber •Straight to Gay •Muscle Breast •Muscle Growth •Muscle/Strength •Getting Hairy •Dom/Sub •Humiliation •M/M  Added Jun 2018 2,534 words 30,126 views 4.8 stars (14 votes)
• A day in the life of a pregnant gay couple by JKL  [  ]  A glimpse into the pleasurable life of a couple of extraordinary men who’ve impregnated each other with their seed.  •Always Hard •Huge Cock •Muscle Breast •Muscle/Strength •Male Pregnancy •Incest •Twins  Added May 2021 839 words 6,455 views 4.3 stars (6 votes)
• Descent into pleasure by MrVince  [  ]  Young, athletic Rhett attends college where he does his best to stay disciplined with his schoolwork and his exercise routine. But he suddenly finds that his overwhelming fetish for male breasts is increasingly invading his life.  •Public Orgasm •Muscle Breast •Muscle Growth •Muscle/Strength •Muscle Worship •M/M  Added Jan 2022 6,385 words 5,096 views 5.0 stars (5 votes)

• The Festival of Haasenpfaap by S. Q. Neemie  [  ]  Wes’s roommate Zeb ropes him into celebrating his family’s yearly autumn festival of Haasenpfaap. When Wes is inadvertently chosen as this season’s Haasenpfaapeer, Zeb and Wes have to figure out how to reverse the changes Wes experiences.  •Cock Body •Hyper Cum •Nipple Emissions •Multicock •Muscle Breast •Muscle Growth •Gradual Change •Getting Taller •Complete •M/M  Added Dec 2022 5 parts 26,928 words 4,801 views 4.9 stars (25 votes)
• Frank’s gym by Writ Bro  [  ]  Alec finds out more about what it means to be one of Frank’s bitches—and having his growth under Frank’s control.  •Cock Growth •Huge Cock •Muscle Breast •Muscle Growth •Muscle/Strength •Dom/Sub •Sex-Slave •Dildos/Toys •M/M •M/M/M  Added May 2014 Updated Mar 2015 7 parts 22,108 words 53,940 views 4.6 stars (38 votes)

• Growing together by YungFrancis  [  ]  Sammy’s one of a whole group of massive muscle freaks who spend all their time working out and dealing with being huge. He’s already too big for doorways, his husband, Tommy, is even bigger, and they want to keep growing.  •Cock Growth •Huge Cock •Hyper Cock •Hyper Muscle •Immobility •Muscle Breast •Muscle Growth •Muscle/Strength •Plausible Size Difference •Size Increase •M/M  Added Dec 2018 2 parts 6,563 words 16,098 views 4.7 stars (7 votes)
• Growth school by Writ Bro  [  ]  Kit’s rebellion against his rich, inattentive father ends him up in a school for delinquents. Only, it’s not at all what Kit expects.  •Cock Growth •Huge Cock •Pec Fucking •Muscle Breast •Muscle Growth •Muscle/Strength •Dom/Sub •Restraints •Sex-Slave •Lycra/Spandex •M/M •M/M/M  Added Jun 2018 Updated May 2019 12 parts 55,825 words 56,915 views 4.6 stars (22 votes)
• Gym class hero by Portowulf  [  ]  Engineering student Dominic Wilde becomes the unexpected recipient of the “gym class hero” title during his college senior year.  •Cock Growth •Getting Dumber •Muscle Breast •Muscle Growth •Muscle/Strength •Belly Growth •Getting Fatter  Added May 2020 2,219 words 8,143 views

• Hank has three choices by Clearlyhere  [  ]  It starts with Drake lusting after his roommate Hank. The real choice lands with Hank. He has three choices on how to use his toy. Unfortunately, it can exceed recommended usage.  •Cock Growth •Cock Shrinking •Huge Cock •Straight to Gay •Muscle Breast •Muscle Growth •Size Decrease •Dom/Sub •Dildos/Toys  Added Jun 2020 4 parts 4,694 words 9,325 views 4.6 stars (5 votes)
• Happy little accidents by MainAttraction  [  ]  Nils gets a special gift from a new friend in French class, but it take him a while to discover just what it can do.  •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Muscle Breast •Muscle/Strength •Increased Libido •Getting Handsomer •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •M/M  Added Dec 2020 Updated Feb 2022 3 parts 7,693 words 14,559 views 4.6 stars (24 votes)

• Incubus garage by Quick Master  [  ]  An incubus of the lower realms aims to corrupt all of the men working at a greasy local garage into incubi.  •Cock Growth •Huge Balls •Huge Cock •Nipple Emissions •Multicock •Straight to Gay •Muscle Breast •Muscle Growth •Muscle/Strength •Increased Libido •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Human to Animal/Anthro •Tongue Growth •Hyper Pheromones •Infectious •Demons •Incubus/Succubus •Supernatural •M/M •M/M/M •M/M/M/...  Added Dec 2021 Updated Jan 2022 3 parts 15,288 words 10,852 views

• Just between fiends by Cumguts  [  ]  Regular buff guy Dean is met with an unwanted guest (or two) over breakfast. Things get considerably stickier when he tries to get rid of them.  •Hyper Cock •Cum inflation •Hyper Cum •Muscle Breast •Voluptuous Men •Demons •Hyper Anus  Added Nov 2020 3,422 words 9,116 views 4.6 stars (11 votes)
• Justin (the bigger the better) by Giant Worshipper  [  ]  A young man starts growing, and growing. He finds he likes it a lot.  •Cock Growth •Huge Cock •Hyper Cock •Straight to Gay •Hyper Strength •Muscle Breast •Muscle Growth •Muscle Gut •Muscle/Strength •Muscle Worship •Man Scent •Increased Libido •Getting Taller •Giants •Size Increase •First Time/Virgin  Added Nov 2009 15 parts 99,090 words 396,878 views 4.4 stars (89 votes)

• Keep your promises by NioSatyr  [  ]  A rock band has risen to fame overnight, although not through conventional means. When the lead singer decides to not uphold their promise to the mysterious person responsible, things start to go out of control on the night of their big concert.  •Always Hard •Cock Growth •Huge Balls •Huge Cock •Human to Cock •Cock Body •Hyper Cock •Nipcocks •Self-suck •Always Cumming •Hyper Cum •Nipple Emissions •Public Orgasm •Multi-balls •Multicock •Multiarm •Multilimb •Multipec •Stacking •Wings •Hyper Muscle •Muscle Breast •Muscle Growth •Public Nudity •Pointy Ears •Stretchy •Increased Libido •Transformation •Getting Taller •Giants •Plausible Size Difference •Size Increase •Human to Animal/Anthro •Tailcock •Nonconsensual change •Merging •Anthro/Furry •Anthro/Scaly •Dragons •Demons •Satyrs •Supernatural •Flying •Alcohol •M/M •M/M/M/...  Added Sep 2021 7,703 words 9,714 views 4.5 stars (6 votes)

• Let’s make a bet by Seth Peterson  [  ]  My boyfriend has always had some exceptional monster pecs! And over the years, they just got bigger and bigger… and so did he! My man cannot stop growing, and I love every inch of his expanding, heaving frame! Come check out the perfect swelling journey that is my big alpha boyfriend!  •Butch-to-Fem •Muscle Breast •Muscle Growth •Muscle Gut •Muscle/Strength •Belly Growth •Gradual Change •Getting Taller •Plausible Size Difference •Dom/Sub  Added May 2019 3 parts 10,394 words 17,800 views 4.2 stars (9 votes)

• The Mann Agency by Also Known As  [  ]  Need a handyman? Someone to scrub your pool or clean your windows or fix a squeaky door? The Mann Agency and its specially trained agents are at your service.  •Cock Growth •Huge Cock •Nipple Emissions •Pec Fucking •Muscle Breast •Muscle Growth •Muscle/Strength •Increased Libido •Getting Taller •M/M •M/M/M  Added Oct 2021 Updated Apr 2022 3 parts 25,951 words 12,800 views 4.8 stars (13 votes)
• Mega pecs maker dosing accident by TitMorpher  [  ]    •Muscle Breast •Muscle Growth •Muscle/Strength •Stories with Images •Series  Added Apr 2013 1,465 words 44,210 views
• Mega-tit wrestler freaks by TitMorpher  [  ]  There was no practical way to reverse the impact of the Mega Pecs Maker overdose on the wrestling team, or to hide its outcome. Eventually the team was asked to leave the wrestling league. Even though the boys could not compete against other teams at the present time, their devoted coaches carried on with regular practices and business as usual.  •Muscle Breast •Muscle Growth •Muscle/Strength •Stories with Images •Series  Added May 2013 3,005 words 36,264 views
• Middle Eastern muscle worship by TitMorpher  [  ]    •Muscle Breast •Muscle Growth •Muscle/Strength  Added Dec 2013 2,611 words 22,733 views
• Modern rites by red_king  [  ]  Matt’s life changes forever when he receives divine investiture from an old fertility god, fallen from the pantheon, in exchange for his devotion and cooperation in finding more followers. At first it sounded like work, but soon he’s having too much fun to care.  •Cock Growth •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Pec Fucking •Muscle Breast •Muscle Growth •Butt Growth •Getting Handsomer •Transformation •Plausible Size Difference •Size Increase •Destruction/Violence •Restraints •Supernatural •Immortality •Hyper Anus •M/M •M/M/M  Added Dec 2018 Updated Jun 2022 16 parts 46,605 words 33,857 views 4.6 stars (37 votes)
• MooMilk by Meddler Incs  [  ]  The secrets of the newest workout supplement are about to be revealed.  •Nipple Emissions •Muscle Breast •Muscle/Strength •Aliens •Anthro/Furry  Added Aug 2020 1,760 words 7,515 views
• More than expected by LennoxBear  [  ]  Intent on preventing his beefy bod from getting soft, Joe is increasingly obsessed with his gym workouts. Then he meets a kindred spirit who helps him take things to a whole new level.  •Cock Growth •Huge Balls •Huge Cock •Cum Milking •Nipple Emissions •Straight to Gay •Muscle Breast •Muscle Growth •Muscle/Strength •Getting Hairy •First Time/Virgin •Nonconsensual change •Infectious •M/M  Added Jul 2002 5 parts 20,375 words 92,445 views 4.3 stars (19 votes)
• Morphed muscle tit freaks by TitMorpher  [  ]  Later in the 21st century, the bodybuilding world fragmented into separate interest groups. Traditional contests still took place, but they were less popular in the face of new contests that centered around special fetishes, such as bodybuilders with huge cocks or enormous muscle tits.  •Nipple Emissions •Muscle Breast •Muscle Growth •Muscle/Strength  Added Jan 2011 Updated Jan 2012 3 parts 7,939 words 96,476 views
• Muscle milk by MaxMorphs  [  ]  That new muscle drink in the gym vending machine does wonders for your pecs, though maybe not in the way you expect.  •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Nipcocks •Hyper Cum •Nipple Emissions •Immobility •Muscle Breast •Muscle Growth •Getting Taller •Plausible Size Difference •Size Increase  Added Jun 2020 2,352 words 20,419 views 4.8 stars (11 votes)
• Muscle milk by Seth Peterson  [  ]  Travis is a bit skeptical about a new muscle supplement he buys ... but the results quickly make him change his mind.  •Muscle Breast •Muscle Growth •Muscle/Strength •Size Increase •Getting Hairy •M/M  Added Jun 2016 2,012 words 29,739 views 4.4 stars (9 votes)
• Muscle milk tit freaks by TitMorpher  [  ]  In the future, as soon as muscle tit bodybuilding competitions, certain fans start gravitating toward the ones leaking muscle milk from their nips—triggering a broader interest in both the fetish and the growth-inducing pec juicea.  •Nipple Emissions •Muscle Breast •Muscle Growth •Muscle/Strength •Muscle Worship •Stories with Images •Set in the Future •M/M  Added Sep 2011 Updated Jun 2012 9 parts 27,090 words 104,619 views 3.8 stars (8 votes)

• New normal by brazboy  [  ]  Pedro is a Brazilian university student who returned to live with his roommates after one and a half years living with his family during the pandemics, but everything is not the same. His roommates Carlos and Henrique will not tell him what exactly has changed, wanting him to see it with his own two eyes.  •Cock Growth •Cockfucking •Huge Cock •Hyper Cock •Hyper Cum •Nipple Emissions •Muscle Breast •Muscle Growth •Getting Taller •Plausible Size Difference •Size Increase •Infectious •Set during the Pandemic  Added Jun 2021 5,662 words 10,081 views 4.7 stars (15 votes)
• No reason by MaxMorphs  [  ]  At the gym, Pascal notices that not only is are his pecs getting huge, but his nips are showing under his hoodie more than they should.  •Huge Cock •Nipcocks •Nipple Emissions •Muscle Breast •Muscle Growth •Muscle Gut •Muscle/Strength •Belly Growth •Size Increase •Christmas •M/M  Added Jan 2017 Updated Nov 2022 3 parts 12,037 words 42,719 views 4.8 stars (25 votes)

• OmniGro by Whatinsomnia and Ziel  [  ]  Dissatisfied with the speed at which the current OTC dick growing serum works, Eli, a brilliant scientist in his own right, sets out to make his own super-powered serum. Eli wastes no time in breaking in the new concoction on himself and his boyfriend. The results speak for themselves and their new product revolutionizes the world as they know it.  •Cock Growth •Cockfucking •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Nipple Emissions •Muscle Breast •Muscle Growth •Muscle/Strength •Butt Growth •Size Increase •M/M  Added Mar 2016 3 parts 45,143 words 26,014 views 4.8 stars (9 votes)

• Peter and the magic forest by Shamash  [  ]  Peter takes a shortcut through the “Cursed Woods”, rumored to be full of wild beasts. Little does he know that this detour will bring him into contact with the inhumanly sexy, horny denizens of the Woods and leave him permanently transformed…  •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Muscle Breast •Muscle Growth •Size Increase •Fantasy Realm •M/M •M/M/M  Added Apr 2020 2,371 words 7,323 views 5.0 stars (11 votes)
• Polypropylene muscle daddy by TitMorpher  [  ]  The wrestling team coach has the biggest muscle tits any of the guys had ever seen. But were they all muscle? Were they even real?  •Muscle Breast •Muscle/Strength •Age Difference •Stories with Images  Added May 2020 2,602 words 8,931 views
• The Porter Men by Inclytos  [  ]  The Porters are a family of perfect men, all uniquely perfect in their own way. It’s how it’s always been, right?  •Cock Growth •Cock Shrinking •Huge Cock •Dom to Sub •Getting Dumber •Pec Fucking •Hyper Strength •Muscle Breast •Muscle Growth •Muscle/Strength •Always Shirtless •Butt Growth •Increased Libido •Retcon •Incest •Brothers •Father/Son •Twins •Dom/Sub •Sex-Slave •M/M •M/t •t/t  Added Oct 2022 Updated Nov 2022 3 parts 8,809 words 9,114 views 4.7 stars (20 votes)
• The power of bondage by Writ Bro  [  ]  A curious sub encounters a strict BDSM master who sees a lot of potential in the young man’s currently ordinary appearance.  •Huge Cock •Muscle Breast •Muscle Growth •Muscle/Strength •Dom/Sub •Humiliation •Restraints •Sex-Slave •M/M  Added Aug 2016 Updated Mar 2018 9 parts 16,340 words 31,965 views 4.7 stars (21 votes)

• Reality Pack by Thorn  [  ]  What happens when the program you’re working on for school has a downloadable mod? You investigate it of course!  •Cock Growth •Huge Cock •Pec Fucking •Muscle Breast •Muscle Growth •Muscle/Strength •Butt Growth •Belly Growth •Gradual Change •Getting Taller •Plausible Size Difference •Getting Hairy •App •Age Difference •First Time/Virgin •Incest •Brothers •Father/Son •Valentine's Day •M/M •M/M/M  Added Nov 2020 Updated Feb 2021 15 parts 79,094 words 46,347 views 4.9 stars (37 votes)
• The right settings by RoidTeen  [  ]  Ben finds an app and starts to play with it.   •Cock Growth •Huge Balls •Huge Cock •Hyper Muscle •Muscle Breast •Muscle Growth •App •Retcon •Father/Son •Complete •M/M •M/M/M  Added Mar 2023 2,685 words 4,115 views 4.8 stars (11 votes)

• The seashell by MegaMaker  [  ]  Clay’s best friend TJ is trying to help him get a boyfriend at local beach known for having loads of hot guys. This task is harder that they first thought because every guy they meet is into buff guys. Clay feels he falls short of that until he finds a magic seashell that changes him to a hunk of a man. Clay becomes full of himself and takes things too far.  •Always Hard •Cock Growth •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Hyper Muscle •Hyper Strength •Immobility •Muscle Breast •Muscle Growth •Muscle/Strength •Public Nudity •Butt Growth •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Giants •Forced Growth •Size Increase •M/M  Added Feb 2023 8,336 words 4,876 views 4.8 stars (6 votes)
• The serum by Unknown  [  ]  Once you develop a serum for extreme muscle growth you have to test it, right? Except the only volunteer subject may be a little too eager...  •Cock Growth •Huge Balls •Huge Cock •Muscle Breast •Muscle Growth •Muscle Worship •Size Increase  Added Jul 2014 1,508 words 14,724 views 3.8 stars (15 votes)
• Small on top by NoGoodAlias  [  ]  After an unfortunate hiking mishap, Jesse finds himself in the home of a massive, masculine stranger who seems to only be getting bigger by the day.  •Huge Balls •Huge Cock •Hyper Cum •Muscle Breast •Muscle Gut •Man Scent •Gradual Change •M/M  Added Sep 2022 3,029 words 4,486 views 4.9 stars (10 votes)
• Suction cups during Tit Man Competitions by TitMorpher  [  ]  Controversies continue in the world of Super Tit Man bodybuilding, as the muscle breast pecs and nips, and the methods for milking them in and out of competition, become ever bigger and more intense.  •Hyper Muscle •Muscle Breast •Muscle/Strength  Added Feb 2020 4,413 words 5,462 views
• Synthetic reality by brazboy  [  ]  Augusto messed up in an outing with his friends, and was dumped in a random Uber to find his way back home. He opens up during his ride home and the Uber driver feels sympathetic enough to offer the lad a try-out of this new app he is developing. When Augusto’s life goes back to normal on Monday, he just wants to forget what happened on Friday completely, and leave it behind him as fast as possible—but the stuff he did while drunk catches up to him and in fact to the whole world.  •Cockfucking •Huge Balls •Huge Cock •Hyper Cock •Cum Milking •Public Orgasm •Muscle Breast •Muscle/Strength •Muscle Worship •Public Nudity •Plausible Size Difference •App •Retcon •Series •M/M •M/M/M  Added Aug 2021 Updated Sep 2021 9 parts 36,235 words 12,023 views 4.9 stars (8 votes)
• Synthetic reality: Tourist trap by brazboy  [  ]  Hans is fascinated by sizedivergent men, but unfortunately there aren’t many of them back where he lives—and so, he decides to spend his vacations in São Paulo, the Mecca of sizedivergent culture. After crossing the equator he sees many great wonders, and experiences some of them himself.  •Huge Balls •Huge Cock •Hyper Cock •Cum Milking •Hyper Strength •Muscle Breast •Muscle Worship •Public Nudity •Plausible Size Difference •Series •M/M  Added Sep 2021 Updated Oct 2021 5 parts 18,237 words 6,944 views

• A Tale of Two Brothers: Donnie & Marco by Artotter92  [  ]  Two brothers end up the unwilling subjects of their father’s science experiments, with some pretty extreme results.  •Cock Growth •Ball Growth •Huge Balls •Huge Cock •Hyper Muscle •Muscle Breast •Muscle Growth •Muscle/Strength •Butt Growth •Increased Libido •Gradual Change •Transformation •Voice Deepening •Forced Growth •Size Increase •Age Progression •Getting Hairy •Incest •Brothers •Stories with Images •M/M  Added Jan 2023 3,937 words 5,895 views 4.0 stars (11 votes)
• A thing called curiosity by papermoon  [  ]  Out for a jog, 19-year-old Cameron decides to investigate an abandoned house that holds some unexpected secrets.  •Huge Balls •Huge Cock •Hyper Cum •Nipple Emissions •Muscle Breast •Muscle Growth •Muscle/Strength •Transformation •Size Increase •Merging •M/M  Added Jan 2014 6,529 words 42,270 views 4.3 stars (23 votes)
• Three brothers by Wawa  [  ]  Three brothers get infected with a digital virus that grows them to their true selves.  •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Pec Fucking •Muscle Breast •Muscle Growth •Muscle Gut •Belly Growth •Giants •Size Increase •Getting Fatter •Incest •Brothers •Nonconsensual change •M/M •M/M/M  Added May 2022 1,702 words 9,459 views
• Tit hype by Writ Bro  [  ]  Between jobs? How about £5000 in three weeks to take part in medical trials? Who knows, you might even like the side effects.  •Cock Growth •Huge Cock •Nipple Emissions •Muscle Breast •Muscle Growth •Dom/Sub •Nonconsensual change •Restraints •Sex-Slave •Dildos/Toys •Complete •M/M •M/M/M  Added Sep 2020 Updated Dec 2022 19 parts 86,989 words 33,884 views 4.7 stars (16 votes)
• 12 days of Growthmas by MaxMorphs  [  ]  Two magical Christmas Gnomes grant Max the ever-evolving gift of growth. Throughout December, Max transforms into one of his hottest fantasies. Of course, there’s a price for your dreams coming true.  •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Nipcocks •Self-suck •Cum inflation •Hyper Cum •Hyper Muscle •Immobility •Muscle Breast •Muscle Growth •Increased Libido •Foot Growth •Getting Handsomer •Gradual Change •Getting Taller •Getting Hairy •Complete •M/M  Added Dec 2022 14 parts 15,015 words 7,006 views 5.0 stars (9 votes)

• Udder boy by TitMorpher  [  ]  Udder boy is very popular with the wrestling coaches, and especially with the other athletes.  •Hyper Muscle •Muscle Breast •Muscle/Strength  Added May 2020 4 parts 3,018 words 6,512 views

• Web cam abuse by Tereshky  [  ]  Two enterprising college jocks think they can pay their way through school by showing off their ripped bods as part of a web cam business. When a company comes along offering them a ton of money for an hour’s work, they learn that when an opportunity sounds too good to be true, you should always read the fine print. Stretch Studios isn’t kidding when they say they’re not responsible for any “alterations” to their employees.  •Cock Growth •Huge Cock •Nipple Emissions •Muscle Breast •Muscle Growth •Muscle/Strength •Belly Growth •Getting Taller •Plausible Size Difference •Size Increase •Inflation  Added Sep 2020 4,260 words 11,530 views 4.6 stars (8 votes)
• Winter potluck by brazboy  [  ]  Six friends who haven’t seen each other since the onset of the pandemic finally gather for a big thematic potluck! Everyone brings something to share, but some items are fresher than others…  •Cock Shrinking •Cockfucking •Huge Balls •Huge Cock •Hyper Cock •Nipcocks •Prehensile Cock •Nipple Emissions •Immobility •Muscle Breast •Muscle Growth •Muscle/Strength •Muscle Worship •Plausible Size Difference •Tailcock •Set during the Pandemic  Added Jul 2021 3 parts 8,299 words 8,224 views 4.6 stars (5 votes)
• WYRD: What You Really Desire by RDR  [  ]  Marco is sick of being a small guy, doing what he can to fix the issue. When hope seems lost, a pop up appears on his computer asking what he really wants as if it were going to give it to him. But what does Marco really want?  •Nipple Emissions •Muscle Breast •Muscle Growth •Voluptuous Men •Butt Growth  Added Apr 2021 1,478 words 7,442 views 4.8 stars (8 votes)

• Year of the ox by Marceau Little Wolf  [  ]  Two brothers’ ailing dairy farm experiences a sudden change after they try an unconventional feeding method.  •Cock Growth •Huge Cock •Hyper Cock •Nipple Emissions •Multicock •Addiction •Muscle Breast •Muscle Growth •Muscle/Strength •Belly Growth •Transformation •Giants •Size Increase •Human to Animal/Anthro •Nonconsensual change  Added Jul 2021 1,801 words 8,435 views 3.9 stars (10 votes)