Muscle Breast

Stories that feature guys whose pecs are huge and round and are kinda like boobs.

  Child of:  Muscle. Related tags:  Hyper Muscle;Hyper Strength;Immobility;Muscle Breast;Muscle Growth;Muscle Gut;Muscle Theft;Muscle/Strength.

  Tag Group:  Muscle.

A 4

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

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. 5 parts Added Oct 2017 35k views 4.6 stars (39 votes) 14k words •Cock Growth•Cock Shrinking•Huge Cock•Muscle Breast•Muscle Growth•Muscle/Strength•App•Dom/Sub •M/M•M/M

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? Added Dec 2018 34k views 4.9 stars (24 votes) 3,147 words •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

The awakening by Johnny M Danny’s secret muscle-breast fantasy kink begins bleeding into the real world. 10 parts Added Jul 2012 62k views 4.7 stars (21 votes) 25k words •Hyper Cum•Nipple Emissions•Muscle Breast•Muscle/Strength•Age Difference•Incest•Brothers•Father/Son •M/M•M/M/M•M/M/M/...

B 4

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. Added Sep 2022 6,921 views 4.8 stars (17 votes) 3,235 words •Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle Breast•Man Scent •M/M

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. Added May 2015 29k views 3.5 stars (26 votes) 1,915 words •Cock Growth•Huge Balls•Hyper Cock•Muscle Breast•Size Increase

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. Added Oct 2021 16k views 4.8 stars (12 votes) 7,196 words •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

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. 3 parts Added Nov 2021 15k views 4.8 stars (10 votes) 12k words •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Cum Milking•Hyper Cum•Nipple Emissions•Hyper Muscle•Muscle Breast•Muscle Growth•Incest•Brothers •M/M

C 2

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. Added Sep 2022 2,969 views 4.7 stars (3 votes) 6,693 words •Hyper Cock•Hyper Cum•Nipple Emissions•Hyper Muscle•Muscle Breast•Incest•Brothers•Twins•Restraints•Fantasy Realm •M/M•M/M/M

Cow-boy by JKL Where does milk come from if cows are not raised as livestock? You're about to become the source. Added Jan 2019 33k views 4.5 stars (14 votes) 1,606 words •Cock Growth•Nipple Emissions•Muscle Breast•Muscle Growth•Belly Growth•Getting Taller•Size Increase•Human to Animal/Anthro•Getting Hairy•Inflation •M/M

D 3

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! Added Jun 2018 32k views 4.8 stars (14 votes) 2,534 words •Cock Growth•Huge Cock•Nipple Emissions•Getting Dumber•Straight to Gay•Muscle Breast•Muscle Growth•Muscle/Strength•Getting Hairy•Dom/Sub•Humiliation •M/M

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. Added May 2021 7,440 views 4.3 stars (6 votes) 839 words •Always Hard•Huge Cock•Muscle Breast•Muscle/Strength•Male Pregnancy•Incest•Twins

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. Added Jan 2022 5,913 views 5.0 stars (5 votes) 6,385 words •Public Orgasm•Muscle Breast•Muscle Growth•Muscle/Strength•Muscle Worship •M/M

F 2

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. 5 parts Added Dec 2022 5,815 views 4.9 stars (25 votes) 27k words •Cock Body•Hyper Cum•Nipple Emissions•Multicock•Muscle Breast•Muscle Growth•Gradual Change•Getting Taller•Complete •M/M

Frank’s gym by Writ Bro Alec finds out more about what it means to be one of Frank’s bitches—and having his growth under Frank’s control. 7 parts Added May 2014 55k views 4.6 stars (38 votes) 22k words •Cock Growth•Huge Cock•Muscle Breast•Muscle Growth•Muscle/Strength•Dom/Sub•Sex-Slave•Dildos/Toys •M/M•M/M/M

G 3

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. 2 parts Added Dec 2018 17k views 4.7 stars (7 votes) 6,563 words •Cock Growth•Huge Cock•Hyper Cock•Hyper Muscle•Immobility•Muscle Breast•Muscle Growth•Muscle/Strength•Plausible Size Difference•Size Increase •M/M

Growth school by Writ Bro Kit’s rebellion against his rich, inattentive father ends him up in a school for delinquents. Only, it’s not at all what Kit expects. 12 parts Added Jun 2018 60k views 4.6 stars (22 votes) 56k words (#55) •Cock Growth•Huge Cock•Pec Fucking•Muscle Breast•Muscle Growth•Muscle/Strength•Dom/Sub•Restraints•Sex-Slave•Lycra/Spandex •M/M•M/M/M

Gym class hero by Portowulf Engineering student Dominic Wilde becomes the unexpected recipient of the “gym class hero” title during his college senior year. Added May 2020 9,021 views 3.8 stars (4 votes) 2,219 words •Cock Growth•Getting Dumber•Muscle Breast•Muscle Growth•Muscle/Strength•Belly Growth•Getting Fatter

H 3

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. 4 parts Added Jun 2020 10k views 4.6 stars (5 votes) 4,694 words •Cock Growth•Cock Shrinking•Huge Cock•Straight to Gay•Muscle Breast•Muscle Growth•Size Decrease•Dom/Sub•Dildos/Toys

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. 3 parts Added Dec 2020 16k views 4.6 stars (24 votes) 7,693 words •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

The house by Writ Bro When Harry gets an inheritance he could have never dreamed of, he quickly realises his life is about to change. But the true extent of the changes will truly blow his mind. 7 parts Added Jan 2023 18k views 4.9 stars (35 votes) 37k words •Cum Milking•Nipple Emissions•Straight to Gay•Hyper Muscle•Muscle Breast•Muscle Growth•Muscle/Strength•Transformation•Size Increase•Dom/Sub •M•M/M•M/M/M•M/M/M/...

I 1

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. 3 parts Added Dec 2021 12k views 5.0 stars (4 votes) 15k words •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/...

J 2

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. Added Nov 2020 10k views 4.6 stars (11 votes) 3,422 words •Hyper Cock•Cum inflation•Hyper Cum•Muscle Breast•Voluptuous Men•Demons•Hyper Anus

Justin (the bigger the better) by Giant Worshipper A young man starts growing, and growing. He finds he likes it a lot. 15 parts Added Nov 2009 418k views 4.4 stars (87 votes) 99k words (#23) •Cock Growth•Huge Cock•Hyper Cock•Straight to Gay•Hyper Strength•Muscle Breast•Muscle Growth•Muscle Gut•Muscle/Strength•Muscle Worship•Man Scent•Increased Libido•Getting Taller•Giants•Size Increase•First Time/Virgin

K 1

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. Added Sep 2021 12k views 4.5 stars (6 votes) 7,703 words •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/...

L 1

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! 3 parts Added May 2019 19k views 4.2 stars (9 votes) 10k words •Butch-to-Fem•Muscle Breast•Muscle Growth•Muscle Gut•Muscle/Strength•Belly Growth•Gradual Change•Getting Taller•Plausible Size Difference•Dom/Sub

M 13

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. 3 parts Added Oct 2021 14k views 4.8 stars (13 votes) 26k words •Cock Growth•Huge Cock•Nipple Emissions•Pec Fucking•Muscle Breast•Muscle Growth•Muscle/Strength•Increased Libido•Getting Taller •M/M•M/M/M

Mega pecs maker dosing accident by TitMorpher When the freshman wrestling team gets an overdose of pec-growing serum, the coaches have to make some new plans. Added Apr 2013 47k views 5.0 stars (2 votes) 1,465 words •Muscle Breast•Muscle Growth•Muscle/Strength•Stories with Images •NS

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. Added May 2013 38k views 5.0 stars (2 votes) 3,005 words •Muscle Breast•Muscle Growth•Muscle/Strength•Stories with Images

Middle Eastern muscle worship by TitMorpher Added Dec 2013 24k views 3.7 stars (3 votes) 2,611 words •Muscle Breast•Muscle Growth•Muscle/Strength

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. 16 parts Added Dec 2018 36k views 4.7 stars (38 votes) 47k words (#74) •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•Pagan gods•Supernatural•Immortality•Hyper Anus •M/M•M/M/M

Moocows by Meddler Incs Cody's world is turned upside down when he is faced with a twisted coach and his followers. 10 parts Added Jan 2017 41k views 4.9 stars (40 votes) 21k words •Huge Cock•Cum Milking•Nipple Emissions•Muscle Breast•Muscle Growth•Muscle/Strength•Increased Libido•Gradual Change•Human to Animal/Anthro•Getting Hairy•Nonconsensual change•Hypnosis•Mind Control•Complete •M/M/M/...

MooMilk by Meddler Incs The secrets of the newest workout supplement are about to be revealed. Added Aug 2020 8,247 views 4.6 stars (5 votes) 1,760 words •Nipple Emissions•Muscle Breast•Muscle/Strength•Aliens•Anthro/Furry

More than expected by LennoxBear Intent on preventing his beefy bod from getting soft, Joe is increasingly obsessed with his gym workouts. Then he meets a kindred spirit who helps him take things to a whole new level. 5 parts Added Jul 2002 95k views 4.3 stars (19 votes) 20k words •Cock Growth•Huge Balls•Huge Cock•Cum Milking•Nipple Emissions•Straight to Gay•Muscle Breast•Muscle Growth•Muscle/Strength•Getting Hairy•First Time/Virgin•Nonconsensual change•Infectious •M/M

Morphed muscle tit freaks by TitMorpher Later in the 21st century, the bodybuilding world fragmented into separate interest groups. Traditional contests still took place, but they were less popular in the face of new contests that centered around special fetishes, such as bodybuilders with huge cocks or enormous muscle tits. 3 parts Added Jan 2011 97k views 3.3 stars (4 votes) 7,939 words •Nipple Emissions•Muscle Breast•Muscle Growth•Muscle/Strength

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. Added Jun 2020 22k views 4.8 stars (11 votes) 2,352 words •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

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. Added Jun 2016 32k views 4.4 stars (11 votes) 2,012 words •Muscle Breast•Muscle Growth•Muscle/Strength•Size Increase•Getting Hairy •M/M

Muscle milk tit freaks by TitMorpher In the future, as soon as muscle tit bodybuilding competitions, certain fans start gravitating toward the ones leaking muscle milk from their nips—triggering a broader interest in both the fetish and the growth-inducing pec juicea. 9 parts Added Sep 2011 107k views 3.8 stars (8 votes) 27k words •Nipple Emissions•Muscle Breast•Muscle Growth•Muscle/Strength•Muscle Worship•Stories with Images•Set in the Future •M/M

Muscle monster by Cumguts Looking for a second glimpse of an impossibly muscular mysterious gym crush, you decide to take some advice and spend an evening checking out his blog. You and your cock might just have a new favorite website. Added Sep 2023 3,322 views 4.7 stars (3 votes) 4,049 words •Hyper Cock•Hyper Cum•Nipple Emissions•Hyper Muscle•Muscle Breast•Muscle Growth•Pointy Ears•Voluptuous Men•Demons•Orcs•Urban Fantasy•Complete•Stories with Images•Hyper Anus •M

N 2

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. Added Jun 2021 12k views 4.7 stars (15 votes) 5,662 words •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 •M/M•M/M/M

No reason by MaxMorphs At the gym, Pascal notices that not only is are his pecs getting huge, but his nips are showing under his hoodie more than they should. 3 parts Added Jan 2017 46k views 4.8 stars (26 votes) 12k words •Huge Cock•Nipcocks•Nipple Emissions•Muscle Breast•Muscle Growth•Muscle Gut•Muscle/Strength•Belly Growth•Size Increase•Christmas •M/M

O 2

Of gods and growth by RoidTeen The gladiators of eternal Rome wore little to hide their manly forms—so when there is growth, it is not hidden from pitmates and admirers alike. 3 parts Added Mar 2023 7,898 views 4.8 stars (16 votes) 12k words •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Pec Fucking•Immobility•Muscle Breast•Muscle Gut•Increased Libido•Voice Deepening•Getting Hairy•Pagan gods•Complete•Ancient Era •M/M•M/M/M

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. 3 parts Added Mar 2016 28k views 4.8 stars (9 votes) 45k words (#78) •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

P 5

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… Added Apr 2020 8,005 views 4.9 stars (12 votes) 2,371 words •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Muscle Breast•Muscle Growth•Size Increase•Fantasy Realm •M/M•M/M/M

The phallus god of destiny by UberPump Benjamin has been possessed by a Japanese demon called an Oni, one who possesses the power to create the desires of those whom it possesses.   He has the desire to get what he wants—a bigger cock, a bigger body, and much bigger pecs.  Once he's fulfilled the divine duty of cock fucking the statue, he's imbued with great power to turn anyone into hyper muscled, big, dicked followers... only he must fulfil his duties as a newly-grown deity or face the consequences that, if unused, power must be stored somewhere. Added Jul 2023 5,887 views 4.8 stars (8 votes) 5,280 words •Cock Growth•Cockfucking•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Cum Milking•Always Cumming•Hyper Cum•Nipple Emissions•Hyper Muscle•Muscle Breast•Muscle Growth•Muscle/Strength•Muscle Worship•Public Nudity•Voluptuous Men•Increased Libido•Getting Handsomer•Voice Deepening•Forced Growth•Size Increase•Inflation•Bisexual•Absorption•Hyper Pheromones•Djin/Jinn/Genie•Supernatural•Possession •M•M/M

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? Added May 2020 10k views 5.0 stars (3 votes) 2,602 words •Muscle Breast•Muscle/Strength•Age Difference•Stories with Images

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? 3 parts Added Oct 2022 11k views 4.7 stars (21 votes) 8,809 words •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•t/t•M/t

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. 9 parts Added Aug 2016 33k views 4.7 stars (21 votes) 16k words •Huge Cock•Muscle Breast•Muscle Growth•Muscle/Strength•Dom/Sub•Humiliation•Restraints•Sex-Slave •M/M

R 2

Reality Pack by Thorn What happens when the program you’re working on for school has a downloadable mod? You investigate it of course! 15 parts Added Nov 2020 51k views 4.9 stars (38 votes) 79k words (#34) •Cock Growth•Huge Cock•Pec Fucking•Muscle Breast•Muscle Growth•Muscle/Strength•Butt Growth•Belly Growth•Gradual Change•Getting Taller•Plausible Size Difference•Getting Hairy•App•Age Difference•First Time/Virgin•Incest•Brothers•Father/Son•Valentine’s Day •M/M•M/M/M

The right settings by RoidTeen Ben finds an app and starts to play with it.  Added Mar 2023 7,831 views 4.8 stars (18 votes) 2,685 words •Cock Growth•Huge Balls•Huge Cock•Hyper Muscle•Muscle Breast•Muscle Growth•App•Retcon•Father/Son•Complete •M/M•M/M/M

S 8

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. Added Feb 2023 7,684 views 4.8 stars (6 votes) 8,336 words •Always Hard•Cock Growth•Huge Balls•Ball Growth•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

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... Added Jul 2014 16k views 3.8 stars (15 votes) 1,508 words •Cock Growth•Huge Balls•Huge Cock•Muscle Breast•Muscle Growth•Muscle Worship•Size Increase

Short stories, big muscles by RoidTeen An ever-growing collection of short muscle growth stories, told from different angles in different settings, exploring what it means to be big, gigantic, or even immobile. 6 parts Added Jul 2023 14k views 4.4 stars (14 votes) 8,025 words •Cock Growth•Cock Pumping•Huge Balls•Huge Cock•Cum Milking•Public Orgasm•Pec Fucking•Immobility•Muscle Breast•Muscle Growth•Muscle Gut•Muscle Worship•Public Nudity•Increased Libido•Forced Growth•Dom/Sub•Sex-Slave•Lycra/Spandex •M•M/M•M/M/M

The simulated universe by Thorn A group of men play a new board game that can simulate a “universe” where they play as trailblazers and are granted boons, which could lead to a few…enhancements. 6 parts Added Jul 2023 9,819 views 4.9 stars (24 votes) 26k words •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Muscle Breast•Muscle Growth•Voluptuous Men•Butt Growth•Belly Growth•Increased Libido•Foot Growth•Gradual Change•Transformation•Getting Taller•Plausible Size Difference•Size Increase•Getting Hairy•Inflation•Age Difference•Father/Son •M/M/M

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. Added Sep 2022 5,315 views 4.9 stars (10 votes) 3,029 words •Huge Balls•Huge Cock•Hyper Cum•Muscle Breast•Muscle Gut•Man Scent•Gradual Change •M/M

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. Added Feb 2020 6,122 views 4,413 words •Hyper Muscle•Muscle Breast•Muscle/Strength

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. 9 parts Added Aug 2021 13k views 4.9 stars (9 votes) 36k words •Cockfucking•Huge Balls•Huge Cock•Hyper Cock•Cum Milking•Public Orgasm•Muscle Breast•Muscle/Strength•Muscle Worship•Public Nudity•Plausible Size Difference•App•Retcon •M/M•M/M/M

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. 5 parts Added Sep 2021 7,622 views 5.0 stars (3 votes) 18k words •Huge Balls•Huge Cock•Hyper Cock•Cum Milking•Hyper Strength•Muscle Breast•Muscle Worship•Public Nudity•Plausible Size Difference •M/M

T 5

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. Added Jan 2023 8,550 views 4.0 stars (12 votes) 3,937 words •Cock Growth•Huge Balls•Ball Growth•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

A thing called curiosity by papermoon Out for a jog, 19-year-old Cameron decides to investigate an abandoned house that holds some unexpected secrets. Added Jan 2014 43k views 4.4 stars (24 votes) 6,529 words •Huge Balls•Huge Cock•Hyper Cum•Nipple Emissions•Muscle Breast•Muscle Growth•Muscle/Strength•Transformation•Size Increase•Merging •M/M

Three brothers by Wawa Three brothers get infected with a digital virus that grows them to their true selves. Added May 2022 11k views 3.8 stars (4 votes) 1,702 words •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

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. 19 parts Added Sep 2020 36k views 4.7 stars (17 votes) 87k words (#29) •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

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. 14 parts Added Dec 2022 9,600 views 5.0 stars (9 votes) 15k words •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

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Udder boy by TitMorpher Udder boy is very popular with the wrestling coaches, and especially with the other athletes. 4 parts Added May 2020 7,126 views 4.3 stars (3 votes) 3,018 words •Hyper Muscle•Muscle Breast•Muscle/Strength

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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. Added Sep 2020 13k views 4.6 stars (9 votes) 4,260 words •Cock Growth•Huge Cock•Nipple Emissions•Muscle Breast•Muscle Growth•Muscle/Strength•Belly Growth•Getting Taller•Plausible Size Difference•Size Increase•Inflation

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… 3 parts Added Jul 2021 9,088 views 4.6 stars (5 votes) 8,299 words •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

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? Added Apr 2021 8,308 views 4.8 stars (9 votes) 1,478 words •Nipple Emissions•Muscle Breast•Muscle Growth•Voluptuous Men•Butt Growth

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Year of the ox by Marceau Little Wolf Two brothers’ ailing dairy farm experiences a sudden change after they try an unconventional feeding method. Added Jul 2021 9,529 views 4.0 stars (11 votes) 1,801 words •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