Gradual Change

This tag describes changes that take place gradually over time, rather than all at once in a big transformation, or a series of big transformations at different times.

Child of: Other Physical Changes. Related tags: Belly Growth;Breast Expansion;Butt Growth;Detachable;Feeding;Foot Growth;Getting Handsomer;Gradual Change;Increased Libido;Male Pregnancy;Transformation;Voice Deepening.

Tag Group: Transformation.

**This Page: Top Tags**
Gradual Change
Muscle Growth
Cock Growth
Huge Cock
Muscle/Strength
Getting Taller
Size Increase
Huge Balls
Complete
Increased Libido

**This Page: Top Stories**
Spice by Mr. X
Puberty is a bitch by Lover Boy 2
The brothers by FanTCMan
The alpha touch by Caliburn
The salt by RdyRoger
A.I. by Corwin
One hot summer by BRK
One more drop by MegaMaker
Reality Pack by Thorn
Enlargement by Boston Guy

**This Page: Recently Updated Stories**
Teacher’s testimony by Six Pecs
Dicks keep growing around me by body beyond
Avilus by Bottoming
Adonivirus by Jay
Cum dosing by BRK
Call of the incubus by DaBook
The barista by Dream Big

222 stories found Sorted alphabetically Total word count: 3,890,959

A 14

A.I. by Corwin Tim’s homemade A.I. software decides to help him get huge. 11 parts 31k words Added Dec 2013 91k views 4.8 stars (47 votes) No comments yet •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

Adonivirus by Jay Two college students have diverging reactions after being exposed to a rare pathogen with the power to transform their bodies. 4 parts 11k words Added May 2025 Updated 7 Jun 2025 14k views 4.9 stars (24 votes) No comments yet •Cock Growth •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change •M/M

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. 4,961 words Added Dec 2021 17k views 5.0 stars (5 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle/Strength •Gradual Change •Incest •Brothers •Hyper Pheromones •Supernatural •M/M

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! 6,920 words Added Aug 2020 22k views 5.0 stars (10 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle Growth •Muscle/Strength •Gradual Change •Hyper Pheromones •Supernatural

Alpha Luke passes on the lore by Eric Aaldersen Luke and Brian’s story finally reaches its climax and afterwards things get positively mystical. 4,887 words Added May 2020 10k views 5.0 stars (6 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Supernatural

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! 5,437 words Added Mar 2020 18k views 4.5 stars (17 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers •Supernatural •t/t

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. 18 parts 88k words (#37) Added Jan 2022 Updated 18 Jan 2025 123k views 4.9 stars (255 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Straight to Gay •Muscle Growth •Butt Growth •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Size Increase •Hair Growth/Getting Hairy •Suggestion •Hetero Sex •Dom/Sub •Nonconsensual change •M/M •M/F

Altered state by YellowJester For two best friends a new video game, Altered State, offers the opportunity to become something more than either could have ever dreamed possible. 18 parts 56k words (#71) Added Nov 2024 Updated 18 Jan 2025 34k views 5.0 stars (61 votes) No comments yet •Cock Growth •Straight to Gay •Muscle Growth •Always Shirtless •Public Nudity •Man Scent •Increased Libido •Getting Handsomer •Gradual Change •Transformation •Getting Taller •Hair Growth/Getting Hairy •App •Hyper Pheromones •Mind Control •Complete •Stories with Images •M/M •M/M/M/...

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. 9 parts 43k words Added Oct 2017 Updated 11 May 2018 30k views 4.6 stars (9 votes) No comments yet •Cock Growth •Muscle Growth •Muscle/Strength •Gradual Change •Hyper Pheromones •Infectious •M/M

Antony Smith by Locky 3 parts 3,474 words Added Dec 2004 40k views 3.8 stars (11 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Foot Growth •Gradual Change •Getting Taller •Giants •Size Increase

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. 7 parts 13k words Added Aug 2022 Updated 1 Oct 2022 25k views 5.0 stars (31 votes) No comments yet •Muscle Growth •Gradual Change •Getting Taller •Size Increase •M

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. 8,430 words Added Jul 2022 12k views 4.6 stars (7 votes) No comments yet •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/...

Avilus by Bottoming James, a horny, gay senior, comes across a reality-altering device. Who will it change—his friends, his bullies, even his annoying, muscle-bound brother Zack? 3 parts 6,749 words Added May 2025 Updated 14 Jun 2025 9,038 views 4.6 stars (25 votes) No comments yet •Cock Growth •Ball Growth •Female to Male •Straight to Gay •Muscle Growth •Butt Growth •Hyper Anus •Increased Libido •Getting Handsomer •Gradual Change •Transformation •Voice Deepening •Getting Taller •Hairless •Incest •Brothers •Dom/Sub •Nonconsensual change •Mind Control •M •M/M

Axel breaks his record by MegaMaker Axel likes to get his growth fix with hot guys he can find, but this time his catch gives him his best fix ever and Axel decides to keep him. 7,620 words Added Apr 2024 26k views 5.0 stars (11 votes) No comments yet •Always Hard •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Always Cumming •Hyper Cum •Public Orgasm •Hyper Muscle •Pec Fucking •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Muscle Worship •Always Shirtless •Public Nudity •Voluptuous Men •Butt Growth •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Giants •Forced Growth •Plausible Size Difference •Size Increase •Lycra/Spandex •Shapeshifting •M/M

B 23

Bad day at the beach by MegaMaker Alec never has sex for love and only does it for fun. To make this easier, he uses a secret serum to be huge and hunky—but only temporarily. He just only hopes that Charlie, a really cute sweetheart he found at the beach, doesn’t find out. 8 parts 14k words Added Sep 2024 Updated 21 Sep 2024 22k views 5.0 stars (3 votes) No comments yet •Always Hard •Cock Growth •Cock Shrinking •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Always Cumming •Hyper Cum •Public Orgasm •Multi-abs •Addiction •Other Mental Changes •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Muscle Worship •Always Shirtless •Public Nudity •Man Scent •Butt Growth •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Giants •Forced Growth •Plausible Size Difference •Size Decrease •Size Increase •Hair Growth/Getting Hairy •Destruction/Violence •Dom/Sub •Nonconsensual change •Lycra/Spandex •Hyper Pheromones •Complete •M •M/M

The barista by Dream Big Caleb’s regular morning regimen is shaken up a bit by the friendly new barista at Cuppa Joes. 20 parts 38k words Added Dec 2024 Updated 26 Apr 2025 25k views 5.0 stars (45 votes) No comments yet •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Muscle Growth •Increased Libido •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Infectious •Complete •M/M

Bartholomew learns to relax by Dream Big An uptight college boy wakes up after a Halloween party with a couple of changes he wasn’t expecting. 10 parts 23k words Added Nov 2024 Updated 4 Jan 2025 12k views 5.0 stars (23 votes) No comments yet •Cock Growth •Self-suck •Muscle Growth •Increased Libido •Gradual Change •Getting Taller •Human to Animal/Anthro •Retcon •Nonconsensual change •Anthro/Furry •Supernatural •Halloween •Complete •M/M

Beach shoot by BRK Part-time social media hunk Xavier has a weird feeling about this tropical beach shoot, and it only gets stranger as the shoot goes on. 2,817 words Added Feb 2023 9,835 views 4.5 stars (11 votes) No comments yet •Cock Growth •Huge Cock •Extra digits •Multi-abs •Multicock •Multihead •Multiarm •Multileg •Multilimb •Six Legs •Three Legs •Multipec •Stacking •Gradual Change •Retcon •M

Becoming a family of their own by TreborNawoc It’s date night for Alex and Dylan, and Alex has plans to make the evening truly special. 6 parts 20k words Added Aug 2022 Updated 8 Oct 2022 12k views 4.9 stars (128 votes) No comments yet •Huge Cock •Hyper Cock •Extra digits •Extra facial features •Extra Mouths •Multi-abs •Multi-balls •Multicock •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Three Legs •Gradual Change •Transformation •Getting Taller •Hyper Tongue •M/M

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... 3 parts 5,953 words Added May 2022 20k views 4.8 stars (23 votes) No comments yet •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

Ben’s escapades by Kaelan Ben undergoes medical treatment to make his genitals unusually huge, but is he ready for the dramatic changes that it’ll bring to the rest of his life? 9 parts 34k words Added Feb 2018 Updated 15 Jun 2018 67k views 4.7 stars (45 votes) No comments yet •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

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. 9 parts 13k words Added Feb 2020 21k views 5.0 stars (10 votes) No comments yet •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Hair Growth/Getting Hairy •M/M

Best friends by STrotman Two best friends—one straight, one not straight—explore love and intimacy. 8,374 words Added Jan 2024 7,286 views 4.7 stars (7 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Muscle/Strength •Gradual Change •First Time/Virgin •Bisexual •M/M

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. 3,893 words Added Dec 2020 14k views 4.9 stars (13 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle Growth •Muscle/Strength •Gradual Change •Hyper Pheromones •Supernatural

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. 6,499 words Added Jun 2020 31k views 4.8 stars (22 votes) No comments yet •Cock Growth •Cut to Uncut •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers •Hyper Pheromones •Supernatural •t/t

A big year by Dancer Andy gets a big surprise when a fortune teller tells him he will have big gains this year. 4,316 words Added Mar 2018 29k views 4.8 stars (45 votes) No comments yet •Cock Growth •Huge Cock •Immobility •Muscle Growth •Muscle/Strength •Gradual Change •Plausible Size Difference •Size Increase •M/M

Birthday benefaction by BRK Esmond is thrilled. His birthday has finally come, and he’s looking forward to the end of his year of service with the prickly, sarcastic mage in the tower. What he’s not expecting, though, is a birthday gift from the old man. Does he have an ulterior motive? 2,528 words Added Apr 2025 3,102 views 5.0 stars (8 votes) No comments yet •Cock Growth •Hyper Cum •Gradual Change •Witch/Warlock/Wizard •Complete •M •M/M

Blowback by BRK Egyptologist Colin Quigley’s petty use of a mummy’s curse to turn his rival into a cum-craving libertine brings on unwanted consequences. 2,506 words Added Jun 2024 7,375 views 5.0 stars (13 votes) No comments yet •Always Hard •Cock Growth •Huge Cock •Hyper Cum •Gradual Change •Nonconsensual change •Pagan gods •Complete •Early/Mid 20th Century •M/M

The boarder by Mikeytron Atticus’s family has decided to rent the spare bedroom in their house. The new boarder turns out to be the sexiest hunk Atticus has ever seen. His life is about to change in a big way. A slow-boil coming-of-age muscle-growth romance set in the My Best Friend’s Muscles universe. 18 parts 86k words (#40) Added Feb 2023 Updated 24 Jun 2023 67k views 4.9 stars (150 votes) No comments yet •Cock Growth •Cock Pumping •Huge Cock •Hyper Muscle •Immobility •Muscle Growth •Muscle Gut •Muscle/Strength •Muscle Worship •Man Scent •Belly Growth •Feeding •Getting Handsomer •Gradual Change •Voice Deepening •Plausible Size Difference •Christmas •Thanksgiving •Valentine’s Day •Complete •Alcohol •M/M •M/M/M •M/M/M/...

The body spray by Coalth Bodybuilder Kevin, needing a little armpit spray, spots a strange brand of deodorant in the gym vending machine and decides to give it a try. 6 parts 5,880 words Added Mar 2013 48k views 4.9 stars (18 votes) No comments yet •Huge Cock •Muscle Growth •Muscle/Strength •Public Nudity •Man Scent •Gradual Change •Human to Animal/Anthro •Hair Growth/Getting Hairy •Anthro/Furry •M/M

The bodyguards by MaxMorphs Two already huge and beautiful brothers apply for a job guarding a man who might be able to help them get even bigger. 9 parts 22k words Added Apr 2021 Updated 21 Aug 2021 62k views 4.8 stars (49 votes) No comments yet •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

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. 2,887 words Added Oct 2021 18k views 4.6 stars (16 votes) No comments yet •Cock Growth •Multi-abs •Muscle Growth •Muscle/Strength •Getting Handsomer •Gradual Change •Transformation •Getting Taller •Size Increase •Nonconsensual change •M •NS

Bottoming out by screamingmoist A man grows his friend into the perfect revenge. 8,399 words Added Jan 2024 11k views 4.7 stars (3 votes) No comments yet •Straight to Gay •Butt Growth •Gradual Change •Nonconsensual change •M/M

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. 4 parts 7,551 words Added Mar 2022 12k views 4.9 stars (11 votes) No comments yet •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

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. 5 parts 18k words Added Apr 2022 Updated 10 Sep 2022 42k views 4.8 stars (42 votes) No comments yet •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

The brothers by FanTCMan Cory Callahan and his three sibs participate in a secret program, resulting in more muscles, body hair, cock size, and horniness. 8 parts 23k words Added Mar 2003 126k views 4.8 stars (98 votes) No comments yet •Always Hard •Cock Growth •Huge Cock •Addiction •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Hair Growth/Getting Hairy •Incest •Brothers •t/t •M/t

Bulking by Proteus Sometimes, when people have a crush on their hunky roommate, they act on it by secretly trying to make the guy progressively hotter. 6 parts 7,143 words Added Mar 2013 61k views 4.5 stars (22 votes) No comments yet •Muscle Growth •Muscle Gut •Muscle/Strength •Butt Growth •Gradual Change •Hair Growth/Getting Hairy •M/M

C 18

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. 4 parts 8,701 words Added Feb 2021 Updated 6 Mar 2021 22k views 4.9 stars (17 votes) No comments yet •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Age Regression •M/M •M/M/M

Call of the incubus by DaBook Recent college graduate Adrian Castille has started noticing cults rising up around his city. He investigates, following a cult to an abandoned warehouse, and witnesses a deadly ritual, and finds himself face-to-face with a powerful incubus. He stands his ground, telling the incubus he will be stronger than him. 9 parts 47k words (#93) Added May 2024 Updated 26 Apr 2025 25k views 5.0 stars (19 votes) No comments yet •Cock Growth •Cock Shrinking •Cock Theft •Huge Balls •Ball Growth •Huge Cock •Public Orgasm •Muscle Growth •Muscle/Strength •Muscle Worship •Man Scent •Pointy Ears •Butt Growth •Increased Libido •Getting Handsomer •Gradual Change •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Hair Growth/Getting Hairy •Dom/Sub •Sex-Slave •Hyper Pheromones •Incubus/Succubus •Supernatural •M •M/M •M/M/M •M/F •M/Inh

Canis drainem edit by Ziel Pals Cecil and Harvey have a plan to cut the resident bully down to size, but things quickly spiral out of control. 14 parts 35k words Added Jun 2020 Updated 29 Jul 2023 23k views 5.0 stars (13 votes) No comments yet •Gradual Change •Size Decrease •Nonconsensual change •Complete •M •M/M

Casey’s mancock by BRK Undersized college student Casey develops a sudden need for a cock just big enough for people to know it’s there. And between his own skills and his unwitting roommate’s, he knows just how to make it happen. 13 parts 48k words (#87) Added Jul 2022 Updated 25 Mar 2023 63k views 4.9 stars (82 votes) No comments yet •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/...

ChatBod by BRK Looking for an unusual gift for his lover, Jeff finds an AI imagery site that seems eager to dream up their fantasy versions of each other. 3 parts 9,799 words Added Oct 2023 Updated 17 Feb 2024 18k views 4.9 stars (13 votes) No comments yet •Cock Growth •Cock Shrinking •Huge Cock •Hyper Cock •Extra digits •Multicock •Multiarm •Multilimb •Multitongue •Straight to Gay •Muscle Growth •Stretchy •Gradual Change •Getting Taller •Size Increase •A.I.-Controlled Change •Complete •M/M

The clockwork dial by RdyRoger A man finds what looks like a beat-up old pocket watch, but when he gets it working again he finds its intricate dials and mechanisms are actually designed to make other guys incrementally—like his roommate Gabe, for example. 3,603 words Added Apr 2012 31k views 4.9 stars (35 votes) No comments yet •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change •Age Regression •Hair Growth/Getting Hairy

The cock blog by TheSizeKing Patrick was just your average 25 year old guy. He’s just got one secret: he has the world’s biggest dick, and it seems to be getting bigger. 5 parts 8,685 words Added Aug 2020 Updated 17 Oct 2020 22k views 4.5 stars (13 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Gradual Change •M/M

The Cockmoore Chronicles: Brandon by CockTFBoi When Brandon comes across a magic book that can change anyone, he does what most guys would do: give himself a bigger dick. As the growth goes unchecked, he struggles to find a way to stop it or the intense pleasure that goes with the changes. 4,999 words Added Sep 2022 11k views 4.9 stars (10 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Muscle Growth •Gradual Change •M/M

The Cockmoore Chronicles: Marco by CockTFBoi Marco previously used the book to give him the body of his dreams, but now that isn’t enough. He wants more. He wants the power to change others to fit into his own kinks. The book denied him a second wish before, but now he has a plan. 4,331 words Added Mar 2023 6,991 views 4.5 stars (2 votes) No comments yet •Cock Shrinking •Cock Theft •Public Orgasm •Gradual Change •Dom/Sub •Humiliation •Nonconsensual change •M/M

The Cockmoore Chronicles: Joey by CockTFBoi Joey is tired of being bullied by his roommate, Randy. After the latest bit of grief, Joey decides to seek out this magic book he'd heard rumors of as a way to get his revenge. He concocts a way to get his revenge, and to improve himself at the same time. As the curse he created starts to unfold, both men are in for some sudden changes. 6,609 words Added Oct 2022 9,651 views 5.0 stars (7 votes) No comments yet •Cock Growth •Cock Shrinking •Cock Theft •Public Orgasm •Muscle Growth •Gradual Change •Nonconsensual change •M/M

Come to me by Richard Jasper Eric is a hot, young skimpy stud—what nowadays we’d call a twunk. Then he starts hearing a voice in his head. Eat big, lift big, get big! He follows the voice’s advice—with results more spectacular than he could have imagined! 10 parts 12k words Added Apr 2020 Updated 18 Apr 2020 12k views 5.0 stars (9 votes) No comments yet •Muscle Growth •Gradual Change •M/M

Connor’s massive reveal by MegaMaker Isaac and Connor have been dating for years and recently graduated college. Connor wants this relationship to last for the rest of their lives. In order to do that he must reveal what he truly is to his lover. He’s afraid Isaac won’t want to be with him anymore but when Isaac finds out he falls in love with Connor all over again. 6,512 words Added Feb 2023 24k views 4.5 stars (11 votes) No comments yet •Always Hard •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Always Cumming •Hyper Cum •Public Orgasm •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Muscle Worship •Public Nudity •Man Scent •Butt Growth •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Giants •Forced Growth •Size Increase •Shapeshifting •Complete •M/M

Contamination by RdyRoger After his dick came in contact with an experimental substance, high schooler Vincent starts slowly getting bigger… first in his crotch and then other places, too. Thomas, a tall, handsome jock, likes teasing him about it at every opportunity. 6,135 words Added Jul 2019 34k views 4.6 stars (21 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Increase •Hair Growth/Getting Hairy •Infectious •t/t

Cruise cocktail by BRK For a guy on a deluxe, all-expenses-paid gay cruise, Carter is a little grumpy. Maybe it has something to do with the fact that he’s having trouble fitting into his briefs thanks to a certain shipboard perk he hadn’t known about ahead of time. 1,648 words Added Feb 2022 12k views 4.6 stars (17 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Gradual Change •Hair Growth/Getting Hairy •NS

Cum dosing by BRK Mark’s hunky roommate, Aaron, is dead set on getting bigger, and Mark has a vested interest in making it happen. 3 parts 16k words Added Mar 2025 Updated 31 May 2025 20k views 5.0 stars (42 votes) No comments yet •Cock Growth •Ball Growth •Huge Cock •Self-suck •Hyper Cum •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Size Increase •M/M

Cursed cocks by CockTFBoi Marcus is having a horny night in the dorm when an inadvertent wish by his roommate sends him on a path to a new life. 8 parts 25k words Added Aug 2020 37k views 4.2 stars (10 votes) No comments yet •Cock Growth •Cock Shrinking •Cum inflation •Hyper Cum •Public Orgasm •Female to Male •Addiction •Straight to Gay •Muscle Growth •Man Scent •Increased Libido •Gradual Change •Hair Growth/Getting Hairy •Hairless •Nonconsensual change •Hyper Pheromones •M •M/M •M/M/M/...•M/F

The cursed ride by SomeMuscleGuy When Kalos is overcome with a sudden surge of growth on his motorcycle ride with Epsilon, he must get to the city before he becomes too big. 8,330 words Added Feb 2023 21k views 4.5 stars (8 votes) No comments yet •Always Hard •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Multi-abs •Addiction •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Muscle Worship •Public Nudity •Getting Handsomer •Gradual Change •Transformation •Voice Deepening •Getting Taller •Forced Growth •Size Increase •Destruction/Violence •Dom/Sub •Nonconsensual change •Complete •M/M

Curses and consequences by BRK Reading this story is a bad idea, but you can’t resist now that you know it’s cursed. 1,459 words Added Sep 2021 19k views 4.7 stars (26 votes) No comments yet •Always Hard •Cock Growth •Huge Cock •Self-suck •Always Cumming •Hyper Cum •Multi-abs •Multiarm •Multilimb •Addiction •Increased Libido •Gradual Change •Getting Taller •Retcon •Social Media •Supernatural •Complete

D 6

DeadGuy by BRK Wyatt downloads an app called DeadGuy, which is supposed to be the app responding randomly to your questions in the voice of a fake cartoon ghost. What Wyatt doesn’t know is, the ghost isn’t fake at all. 3,502 words Added Feb 2021 13k views 4.9 stars (14 votes) No comments yet •Cock Growth •Huge Cock •Muscle Growth •Gradual Change •Getting Taller •App •Suggestion •Merging •Ghosts •Supernatural •Complete •M/M •M/M/M

Dicks keep growing around me by body beyond Until recently, Myron has been oblivious to the fact that dicks would get mysteriously bigger the longer someone hung out with him. He begins putting the pieces together as his boss, Miguel, and roommate, Ty, start going through all too familiar changes below the belt. 6 parts 24k words Added May 2025 Updated 14 Jun 2025 12k views 4.9 stars (18 votes) No comments yet •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Muscle Growth •Butt Growth •Gradual Change •Getting Taller •M/M •M/M/M

Diner by BRK Clint tries out a diner near his new house, but ends up with more than he bargained for. 3,976 words Added Oct 2023 15k views 4.2 stars (14 votes) No comments yet •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Pec Fucking •Hyper Strength •Muscle Growth •Increased Libido •Foot Growth •Gradual Change •Transformation •Getting Taller •Giants •Forced Growth •Plausible Size Difference •Size Increase •Destruction/Violence •Nonconsensual change •Complete •M

Dude, that’s a really thick cock by John Perrot A young man starts out buff and thickly hung and keeps getting bigger. Inspired by ‘That’s a Really Huge Cock Bro’ by Luke B. 2,620 words Added May 2022 21k views 4.8 stars (22 votes) No comments yet •Cock Growth •Huge Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Muscle Worship •Gradual Change •Getting Taller •Size Increase •All Dialog •M/M

The dwindling by Dream Big Dennis wakes up the morning after a big Pride party feeling not quite himself. 14 parts 31k words Added Jun 2024 Updated 7 Sep 2024 24k views 4.9 stars (45 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Self-suck •Muscle Growth •Increased Libido •Gradual Change •Plausible Size Difference •Size Decrease •Size Increase •Nonconsensual change •Gay Pride •M/M

Dylan & Josh by MaxMorphs Tired of settling or doing without, Josh is determined to find a boyfriend with a more than ample package. Dylan meets his requirements… and then some. 16 parts 18k words Added Apr 2019 Updated 13 Jul 2019 39k views 4.6 stars (35 votes) No comments yet •Cock Growth •Cockfucking •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Gradual Change •Dildos/Toys •Christmas •April Fool’s Day •M/M

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EH for short by MegaMaker In a world where certain men become enhanced through a genetic mutation, Corey one day decides to try to meet one at a local beach known for being a hotspot for enhanced humans. When he stumbles on Cliff, a connection develops that’s stronger than he’d expected. 11k words Added Feb 2023 17k views 4.2 stars (13 votes) No comments yet •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Straight to Gay •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Muscle Worship •Public Nudity •Butt Growth •Increased Libido •Gradual Change •Transformation •Voice Deepening •Getting Taller •Giants •Size Increase •Race/Ethnicity Change •Nonconsensual change •Complete •M/M

Enlargement by Boston Guy A medical engineer develops nanotechnology that could cure the world of multiple diseases. But his true motivation is not so noble. 5 parts 15k words Added May 2013 70k views 4.6 stars (32 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Hyper Anus •Increased Libido •Gradual Change •Transformation •Size Increase •Nanotech •Nonconsensual change •Infectious •M/M •M/M/M •M/M/M/...

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The fake boyfriend by BRK Zeke must travel back to his hometown, Woody Hole, in a last-ditch effort to prove he’s gay and end the eternal matchmaking with his high-school girlfriend, Stacy. A fake boyfriend is the only way—but Zeke’s closest relationship is with a customized character from an open-sandbox simulation game, a cocky personal trainer named Troy. 4 parts 14k words Added Aug 2020 15k views 4.6 stars (17 votes) No comments yet •Cock Growth •Huge Cock •Extra digits •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Hyper Tongue •Complete •M/M

Fallout by BRK Jesse comes home exhausted and just wants to put his feet up. That warning notice on his front door can wait, right? 2,206 words Added Apr 2025 4,861 views 4.3 stars (6 votes) No comments yet •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Hyper Cum •Foot Growth •Gradual Change •Size Increase •Nonconsensual change •Complete •M/M

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 27k words Added Dec 2022 Updated 24 Dec 2022 11k views 4.9 stars (26 votes) No comments yet •Cock Body •Hyper Cum •Nipple Emissions •Multicock •Muscle Breast •Muscle Growth •Gradual Change •Getting Taller •Complete •M/M

52E by BRK Richie is finally going to get to see his boyfriend in Wales after six months apart. He’s not looking forward to folding his 6-foot-6 frame into a middle seat in the back of coach for the long Transatlantic haul, but Gareth might have discovered something that will make his flight a little easier. 3,027 words Added Dec 2021 13k views 4.0 stars (7 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Increased Libido •Gradual Change •Transformation •Hair Growth/Getting Hairy •Witch/Warlock/Wizard •Complete •M •M/M

Finding destiny by FanTCMan Kyle and Derek embark on their quest for muscle, aided by gym owner Mike. 6,537 words Added Apr 2005 19k views 4.5 stars (11 votes) No comments yet •Addiction •Muscle Growth •Muscle/Strength •Gradual Change •Hair Growth/Getting Hairy •Nonconsensual change •M/M

5D Super User: Brandon by pkak2k12 Brandon finds out he has an unexpected gift the second he becomes 18. 11 parts 23k words Added Jan 2023 Updated 18 Mar 2023 36k views 4.9 stars (76 votes) No comments yet •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Gradual Change •Getting Taller •Size Increase •Retcon •Incest •Bisexual •t/t

Frank by Anonymous A tall but weedy student is an easy target for high school bullies until an accident turns everything around for him. 3,753 words Added Jul 2006 20k views 4.4 stars (7 votes) No comments yet •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •t

Frank revisited by Richard Jasper An update to a classic anonymous story. 16-year-old Frank Wynn is stick thin until a mishap in the backyard shed douses him in every chemical known to gardening and lawn care. His resulting spectacular growth is everything he could have dreamed of! 4,445 words Added Oct 2020 11k views 4.8 stars (4 votes) No comments yet •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Age Difference

Frat crisis by BRK Jacob returns to his frat after a week away to find it stinking of sex and full of guys a lot bigger than he remembered them being. 2 parts 5,217 words Added Jun 2022 Updated 2 Dec 2023 29k views 4.8 stars (36 votes) No comments yet •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Straight to Gay •Pec Fucking •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Gradual Change •Voice Deepening •Hair Growth/Getting Hairy •Nonconsensual change •Infectious •Complete •M/M •M/M/M •M/M/M/...

Friends indeed by FanTCMan When his friend goes to California, a young man realizes he misses him and follows him out there—only to find that the new clime has already changed his friend. 4,791 words Added Jul 2002 22k views 4.9 stars (11 votes) No comments yet •Cock Growth •Straight to Gay •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change •Hair Growth/Getting Hairy •M/M

A fucking god by Jerkoffcentral A teenager is both exasperated and incredibly turned on by how his body and everything about it seems to be getting freakier and freakier. 4 parts 11k words Added Mar 2019 Updated 8 Jul 2023 68k views 4.8 stars (50 votes) No comments yet •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Cum inflation •Hyper Cum •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Muscle Worship •Gradual Change •Size Increase •Incest •Brothers •M/M

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The garden of holes by brazboy Arriving at the capital, a young and talented recently recruited civil servant enters the world of high politics, love, and ambitions. Using his magnificent body as well as his mind, he ends up having an experience different from what anyone could have expected, even becoming involved in a plot to steal the throne… 5 parts 18k words Added Apr 2024 Updated 27 Apr 2024 8,926 views 5.0 stars (3 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Nipple Emissions •Public Orgasm •Hyper Muscle •Immobility •Muscle Growth •Public Nudity •Gradual Change •Plausible Size Difference •Size Increase •Incest •Brothers •Medieval(ish) •M/M •M/M/M

Gene hack by Mikeytron New gene therapies allow bodybuilders to grow larger than ever before. But beware if you opt for a cut-rate procedure instead. 4,337 words Added Oct 2022 13k views 4.9 stars (26 votes) No comments yet •Hyper Muscle •Pec Fucking •Immobility •Muscle Growth •Muscle Gut •Muscle/Strength •Gradual Change •Blood •Halloween •Complete •M/M

The good freak by Also Known As Kevin Peters is a cheerful, very fit young man who happens to be getting bigger and hotter in every way, much to the bemusement (and secret arousal) of his doctor. Soon the guys around him are growing too, and Dr. Donaldson discovers even he’s not immune... 33 parts 34k words Added Nov 2002 59k views 4.9 stars (28 votes) No comments yet •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Increase •Infectious •April Fool’s Day •M/M •M/M/M •t/t •t/t/t •M/t

Grower by Richard Jasper 1,645 words Added Aug 2002 22k views 4.3 stars (7 votes) No comments yet •Muscle Growth •Muscle/Strength •Gradual Change •Suggestion •NS

Growing above mediocrity by EychVee Duncan is a socially awkward man who comes down with a perplexing sickness. 8 parts 22k words Added Sep 2024 Updated 1 Feb 2025 24k views 4.6 stars (12 votes) No comments yet •Cock Growth •Ball Growth •Muscle Growth •Increased Libido •Foot Growth •Gradual Change •Getting Taller •Size Increase •Hyper Pheromones •Infectious •M •M/M

Growing relationship by MaxMorphs Shortly after finding the love of his life, Connor has these strange shivers now and then. First, he tries to deny everything, but the truth can’t hide for long. Connor’s cock grows with each shiver. Year after year after year. 6 parts 18k words Added Nov 2018 Updated 20 Jul 2024 38k views 4.9 stars (29 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Multicock •Muscle Growth •Muscle/Strength •Gradual Change •M/M

Growing up by Harvey Church Most would agree that bigger is better, but I know that being big isn’t all that it’s cracked up to be. Growing up has been difficult, but since the beginning, I have had my buddy Richie by my side. It all started with some harmless size comparison, but that was before I knew what kind of beast I would eventually grow into. 4,735 words Added Oct 2022 13k views 4.9 stars (7 votes) No comments yet •Cock Growth •Huge Cock •Gradual Change •M/M •t/t

Guard duty by Hairymusclemorphs Your job at the local prison just got way better, once they allowed you to enter the forbidden section where they keep the real big prisoners under control. 3 parts 9,005 words Added Mar 2024 14k views 4.8 stars (13 votes) No comments yet •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Hyper Cum •Hyper Muscle •Hyper Strength •Muscle Growth •Man Scent •Increased Libido •Gradual Change •Voice Deepening •Hair Growth/Getting Hairy •Hyper Pheromones •Complete •M/M

H 6

Happy birthday! by Musclesaber Commission I did for an anonymous user on Twitter. Dean is running late getting home to see his husband for their birthday, but forgets he still has to get a dessert. He stops at the first shop he sees and finds something that might not only save his butt from his husband, but also his marriage. 3 parts 13k words Added Dec 2023 Updated 10 Aug 2024 15k views 4.5 stars (20 votes) No comments yet •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Cum inflation •Muscle Growth •Butt Growth •Belly Growth •Gradual Change •Male Pregnancy •Getting Taller •Plausible Size Difference •Size Increase •M/M

Hard to hide by BRK Jooyong is working his uncle’s demolition site when he encounters a man in need of protection, but it’s more complicated than your average plea for help. For one thing, the man who needs help is not an ordinary man. And the kind of help he needs is something Jooyong isn’t even a little prepared for. 7 parts 20k words Added Jun 2017 Updated 27 Jul 2019 29k views 4.9 stars (21 votes) No comments yet •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Decrease •Size Increase •Merging •Shared Body •M/M

The heart is a muscle by Mikeytron A muscle growth bildungsroman: shy small nerd meets his college roommate, who’s friendly, confident, and fucking huge. Growth occurs, both emotional and physical, over the course of their first year together. 6 parts 39k words Added Jun 2021 Updated 31 Jul 2021 38k views 4.9 stars (70 votes) No comments yet •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle Gut •Muscle/Strength •Gradual Change •Plausible Size Difference •Complete •M/M

Hey, buddy by Dream Big Ben’s high school crush, Charlie, resurfaces in his life after a mysterious incident at sea left him with a strange tattoo and a propensity for slow, inexplicable growth. 15 parts 15k words Added Oct 2019 Updated 8 Aug 2020 31k views 4.9 stars (26 votes) No comments yet •Cock Growth •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •Gradual Change •Transformation •Giants •Plausible Size Difference •Size Increase •M/M

Hooked up by Growthbeast A guy invites his friend over to test a machine that fuels his fantasy, but neither could have predicted how it would turn out in the end. 2,042 words Added Jan 2025 13k views 3.0 stars (5 votes) No comments yet •Cock Growth •Ball Growth •Human to Cock •Hyper Cock •Nipcocks •Cum inflation •Nipple Emissions •Addiction •Getting Dumber •Hyper Muscle •Muscle Growth •Muscle Gut •Butt Growth •Belly Growth •Increased Libido •Getting Handsomer •Gradual Change •Transformation •Voice Deepening •Getting Taller •Giants •Forced Growth •Plausible Size Difference •Size Decrease •Size Increase •Age Progression •Human to Body Part •Hairless •Getting Fatter •Tailcock •Age Difference •Incest •Absorption •Merging •Complete •M/M

Hulkster and Hoppy by Also Known As Jeremy “Hoppy” Hopkins and Alexander “The Hulkster” Hogan were best friends in high school, but at the twenty-year reunion, the Hulkster discovers what Hoppy has been up to all those years in-between. 23 parts 119k words (#17) Added Feb 2021 Updated 10 Jul 2021 39k views 4.9 stars (56 votes) No comments yet •Cock Growth •Huge Cock •Muscle Growth •Man Scent •Increased Libido •Getting Handsomer •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Witch/Warlock/Wizard •M/M •M/M/M •M/M/M/...

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Jessie’s girls by Richard Jasper Three young men—Jessie, Henry, and Frank—have known each other since they were five years old, when their respective families each wound up moving to Magnolia Terrace at roughly the same time. Jessie was the jock, Henry was the brainiac, Frank the artsy one. This is the story of how they grew up together (and boy howdy did they grow!). 7 parts 6,213 words Added May 2020 5,339 views 4.7 stars (3 votes) No comments yet •Muscle Growth •Muscle/Strength •Gradual Change

Jock bros by John Perrot Derek convinces his friend Matt to get ‘jocked up’. They never imagined the growth that would follow… 4,800 words Added Feb 2021 38k views 4.7 stars (42 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Hyper Muscle •Muscle Growth •Muscle/Strength •Belly Growth •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Hair Growth/Getting Hairy •Complete •t/t

John the wizard by RdyRoger John is a wizard and likes helping out his friends—usually in ways that involve none-too-subtle increases in height, equipment size, and muscle. 7 parts 24k words Added Dec 2017 Updated 7 Sep 2019 49k views 4.5 stars (24 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Foot Growth •Getting Handsomer •Gradual Change •Getting Taller •Size Increase •Hair Growth/Getting Hairy •Suggestion •Witch/Warlock/Wizard •M/M

Jon the growing stepdad by spacevlad Austin’s mother passes away, leaving behind a special gift. Austin uses this gift to give his stepdad, Jon, a new direction and motivation. Jon is eager to impress his stepson. 15 parts 61k words (#63) Added Oct 2022 Updated 10 Dec 2022 53k views 4.6 stars (33 votes) No comments yet •Huge Cock •Muscle Growth •Muscle Gut •Muscle Worship •Man Scent •Belly Growth •Feeding •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Suggestion •Father/Son •Dom/Sub •Humiliation •Christmas •New Year’s Eve •Valentine’s Day •Complete •M/M

Jonathan’s journey by Richard Jasper Join Jonathan and his best friend Todd on their four-year journey from geeky 14-year-olds to veritable mountains of mind-blowing muscle! 13 parts 13k words Added May 2020 13k views 4.8 stars (10 votes) No comments yet •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Increase

Just a little bigger by Dream Big Drew has two problems: he’s got a crush on his two best friends, Vic and Sarah, and he’s self-conscious about being short and skinny. He’s not prepared for the changes that develop in both departments on their fateful post-graduation trip to New York City. 15 parts 31k words Added Dec 2019 Updated 7 Mar 2020 42k views 4.6 stars (19 votes) No comments yet •Cock Growth •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •Increased Libido •Breast Expansion •Gradual Change •Transformation •Getting Taller •Bisexual •Hetero Sex •M/M •M/F •M/M/F

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Karma pills by Musiker Steve has been bullying the other members of Matt's Gym for ten years. When Matt gives Steve a new kind of muscle-enhancing pill, he conveniently forgets to mention some significant side effects. 5 parts 24k words Added Jun 2019 Updated 27 Jul 2019 40k views 3.8 stars (19 votes) No comments yet •Cock Growth •Cock Shrinking •Cockless •Huge Balls •Huge Cock •Hyper Cum •Getting Dumber •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Hyper Anus •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Dom/Sub •Humiliation •Nonconsensual change •Sex-Slave •Gross Bodily Fluids •Anthro/Furry •Mind Control •M/M •M/M/M

Kept boy by Richard Jasper Philanthropist Jason is wealthy, handsome, and built like a brick outhouse. Eddy is a handsome lad newly arrived from East Buddha. They meet at the Y and the rest is muscle growth history! 5 parts 6,266 words Added May 2020 7,078 views 5.0 stars (1 vote) No comments yet •Huge Cock •Pec Fucking •Muscle Growth •Muscle/Strength •Gradual Change •Age Difference

Koruna’s kiss by BRK Clem knows his birthmark sets him apart from the rest of the tribe, but it’s not until he starts his 25th year that he finds out why. 3,196 words Added Aug 2022 8,317 views 4.8 stars (5 votes) No comments yet •Cock Growth •Multiarm •Multilimb •Muscle Growth •Muscle/Strength •Gradual Change •Transformation •Getting Taller •Size Increase •Destruction/Violence •Supernatural •Metabods 25 •Complete •M/M

Kyle’s himbo transformation by Joven Kyle goes on vacation with some friends, then starts to experience a few sudden and unexplained changes. 14 parts 19k words Added Nov 2021 Updated 25 Dec 2021 42k views 4.8 stars (25 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Self-suck •Straight to Gay •Pec Fucking •Muscle Growth •Butt Growth •Gradual Change •Dom/Sub •Nonconsensual change •M/M •M/M/M

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The Latin twins by RdyRoger A man is gifted by "the watchers" to make changes to himself and others that will last for 24 hours. Two of his escapades are detailed in this story. 2 parts 7,238 words Added Apr 2012 48k views 4.7 stars (10 votes) No comments yet •Cock Growth •Cock Shrinking •Huge Balls •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Decrease •Size Increase •Race/Ethnicity Change •Suggestion •Incest •Brothers •Dom/Sub

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 10k words Added May 2019 26k views 4.4 stars (12 votes) No comments yet •Butch-to-Fem •Muscle Breast •Muscle Growth •Muscle Gut •Muscle/Strength •Belly Growth •Gradual Change •Getting Taller •Plausible Size Difference •Dom/Sub •M/M •t/t

Li’l Dude by Richard Jasper Robert is a geeky college freshman, totally smitten with his “senior buddy,” a big, built, blond, hunky California surfer dude named Chris, who dubs him “Li’l Dude.” Ridiculous muscle growth ensues (as usual!). 10 parts 11k words Added May 2020 13k views 4.6 stars (9 votes) No comments yet •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Increase •M/M

Little devil by Distendo A young man has a shady present and even shadier past, cursed by the gods to rob men of their ability to sire offspring. What kind of person will he become? 2 parts 6,799 words Added Dec 2023 Updated 11 May 2024 9,085 views 3.2 stars (5 votes) No comments yet •Huge Balls •Huge Cock •Prehensile Cock •Hyper Cum •Hyper Strength •Muscle/Strength •Hyper Anus •Feeding •Gradual Change •Size Increase •Bisexual •Hetero Sex •Cock Cage •Sex-Slave •Dildos/Toys •M/M

A little somethin’ by MegaMaker After two longtime friends spend the day at the beach, Davey can't help but notice how muscular his buddy Sam has gotten. When Davey asks about it, Sam’s reactions are more than a little unexpected. 2 parts 6,908 words Added Jan 2023 19k views 4.0 stars (10 votes) No comments yet •Always Hard •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Always Cumming •Hyper Cum •Public Orgasm •Multi-abs •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Muscle Worship •Public Nudity •Butt Growth •Increased Libido •Gradual Change •Size Increase •Complete •M/M

Living fantasy by BRK Sometimes when a guy starts to look more attractive as the night goes on, it isn’t about the beer goggles. 2,339 words Added Jun 2024 6,296 views 4.2 stars (12 votes) No comments yet •Cock Growth •Muscle Growth •Getting Handsomer •Gradual Change •Transformation •Hair Growth/Getting Hairy •Retcon •Complete •M/M

Lockdown gym by BRK When Ed clears out his garage, his neighbor’s hunky college-age sons suggest converting the space to a lockdown gym for guys like them who want to maintain and can’t work out anywhere else. Despite the risk of distraction, Ed agrees, though the effect on his daily life turns out to be even greater than he expected. 3,110 words Added Apr 2021 20k views 4.6 stars (22 votes) No comments yet •Always Hard •Cock Growth •Huge Cock •Replication •Straight to Gay •Muscle Growth •Muscle/Strength •Muscle Worship •Always Shirtless •Getting Handsomer •Gradual Change •Getting Taller •Age Difference •Incest •Brothers •Twins •Selfcest •Complete •Set during the Pandemic •M/M •M/M/M/...

The long slow road to hugeness by Richard Jasper Kevin Foxworth starts lifting at 16 with your basic Weider barbell set. Despite his best efforts, he never gains more (or less) than 10 lbs. of muscle per year. More than 20 years later, he’s still at it. Do the math! 6 parts 6,802 words Added Aug 2020 6,802 views 4.0 stars (1 vote) No comments yet •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change

A love letter by Seth Peterson A slow, steady, and delicious story of love, growth, and lots of big doughy softness! Come see the progression of a boy and his one and only…from friends to lovers to something very big indeed! 20k words Added May 2020 12k views 4.7 stars (9 votes) No comments yet •Straight to Gay •Belly Growth •Getting Handsomer •Gradual Change •Getting Taller •Plausible Size Difference •Getting Fatter •M/M

Love/shift by BRK Maxfield has very mixed feelings about leaving the city and all his tech behind to spend the summer after graduation halfway up a mountain in the family’s backwoods cabin—just him, his dad, and a whole lot of secrets. 11 parts 68k words (#55) Added Dec 2017 Updated 27 Apr 2019 51k views 4.8 stars (37 votes) No comments yet •Muscle Growth •Muscle/Strength •Always Shirtless •Man Scent •Gradual Change •Transformation •Size Increase •Hair Growth/Getting Hairy •Age Difference •Incest •Father/Son •Werebears •Supernatural •Complete •M/M

M 21

Make the fur fly by LordTronimator After a boy buys a custom-made fursuit based off his fursona and puts it on, his body begins to experience strange changes that only he seems to notice. 14 parts 22k words Added Aug 2020 Updated 6 Nov 2021 38k views 4.9 stars (42 votes) No comments yet •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Public Nudity •Gradual Change •Transformation •Human to Animal/Anthro •Retcon •Nonconsensual change •Anthro/Furry •M •M/M

Maxwell unleashed by MegaMaker We rejoin our odd family at a low point. Maxwell and Rain are feeling dissatisfied with life. One leads to depression, the other to aggression. How will they both find happiness in their lives? 4 parts 18k words Added Aug 2024 15k views No comments yet •Always Hard •Cock Growth •Cock Pumping •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Always Cumming •Hyper Cum •Public Orgasm •Multi-abs •Addiction •Getting Dumber •Other Mental Changes •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Muscle Worship •Always Shirtless •Public Nudity •Man Scent •Butt Growth •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Size Increase •Hair Growth/Getting Hairy •Destruction/Violence •Dom/Sub •Lycra/Spandex •Hyper Pheromones •Complete •Set in the Future •M •M/M

Meat by Mikeytron You are what you eat. A horror story for Halloween. 5,527 words Added Oct 2021 19k views 4.9 stars (49 votes) No comments yet •Cock Growth •Hyper Cock •Addiction •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Gradual Change •Halloween •Complete •NS

Meta-mischief by BRK Detective Randy Trevino starts experiencing increasingly strange and embarrassingly sexy glitches in his morning routine, and he’s sure his precinct frenemy, the lean and handsome Detective Jake Rivers, is behind it. 3,548 words Added Apr 2024 10k views 4.9 stars (21 votes) No comments yet •Always Hard •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Hyper Cum •Nipple Emissions •Public Orgasm •Multicock •Muscle Growth •Always Shirtless •Getting Handsomer •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •App •Retcon •Nonconsensual change •Complete •M/M

Meteor shower by Tym Greene A couple heads out to a costume party to celebrate a big meteor shower. Little do they know that the party’s host has other plans. 10k words Added Sep 2021 15k views 3.3 stars (3 votes) No comments yet •Female to Male •Male to Female •Gender Swap •Gay to Straight •Other Mental Changes •Butt Growth •Belly Growth •Breast Expansion •Gradual Change •Transformation •Getting Taller •Size Increase •Human to Animal/Anthro •Getting Fatter •Retcon •Bisexual •Hetero Sex •Nonconsensual change •Anthro/Furry •Mermen •M/M •M/F •M/M/F

MG Project: Test Subject #5 by HeyDaddy01 A 50-year-old man recovering from an auto accident qualifies for a life-changing experimental project. 20 parts 59k words (#65) Added Jan 2023 Updated 1 Apr 2023 26k views 4.7 stars (20 votes) No comments yet •Always Hard •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cum •Public Orgasm •Muscle Growth •Muscle/Strength •Muscle Worship •Man Scent •Increased Libido •Gradual Change •Gross Bodily Fluids •Hyper Pheromones •M/M •M/M/M •M/M/M/...

Milo’s big secret by BRK For small-town boy Milo the growth that came with puberty never ended. He kept growing and growing, especially in a certain area, and now at 19 he’s sure he’s too much of a freak to know any love but his own. What he hasn’t reckoned on is Jeremy, a take-charge type so beautiful there’s no way Milo can hide his secret from him for long. 2 parts 5,841 words Added Jun 2022 21k views 4.7 stars (23 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Self-suck •Hyper Cum •Muscle Growth •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Plausible Size Difference •Size Increase •Hair Growth/Getting Hairy •Complete •M/M

Molten wings by Mikeytron The old world is dying, and the new world struggles to be born; now is the time of monsters. 9,388 words Added Jun 2022 15k views 4.8 stars (68 votes) No comments yet •Cock Growth •Huge Cock •Hyper Cock •Other Mental Changes •Hyper Muscle •Muscle Growth •Muscle/Strength •Gradual Change •Nonconsensual change •Nonconsensual sex •Demons •Supernatural •Mind Control •Complete •M/M

Moocows by Meddler Incs Cody's world is turned upside down when he is faced with a twisted coach and his followers. 11 parts 22k words Added Jan 2017 Updated 23 Sep 2023 55k views 4.9 stars (42 votes) No comments yet •Huge Cock •Cum Milking •Nipple Emissions •Muscle Breast •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change •Human to Animal/Anthro •Hair Growth/Getting Hairy •Nonconsensual change •Hypnosis •Mind Control •Complete •M/M/M/...

Morning body by BRK An intense capacity for imagination makes real the things others only dream of. 2 parts 8,240 words Added Nov 2003 29k views 4.9 stars (15 votes) No comments yet •Cock Growth •Huge Cock •Self-suck •Replication •Wings •Gradual Change •Getting Taller •Selfcest •Flying •Complete •M/M •M/M/M

Morphogenic steroids by RdyRoger Rod’s dad is working on a new technology that makes small things bigger and big things huge, with incredible implications for food supplies and beyond—only it only lasts for five hours. Rod figures being bigger for five hours… that would be pretty awesome. 4 parts 15k words Added Oct 2019 31k views 4.5 stars (14 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Hair Growth/Getting Hairy •Infectious •M/M

Mountainheart by BRK It’s 1999, and Glenn, until now kept from his heritage, uncovers what it means to be a Sheridan. Fortunately, he has his closest friend, Eamon, at his side. 13 parts 67k words (#56) Added Nov 2021 Updated 18 Nov 2023 30k views 4.9 stars (28 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Always Shirtless •Increased Libido •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Age Regression •Hair Growth/Getting Hairy •Age Difference •First Time/Virgin •Incest •Brothers •Father/Son •Anthro/Furry •Werebears •Werewolves •Supernatural •Shapeshifting •Complete •Alcohol •M/M

Muscle blind by Richard Jasper Brandon, Ryan, Bobby, and Roger are college freshmen, sharing a suite. Roger is growing like a rocket but Bobby doesn’t seem to notice, so Brandon and Ryan devise an experiment to open Bobby’s eyes. 2,412 words Added Jun 2020 7,360 views 4.0 stars (2 votes) No comments yet •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change

The muscle machine by Richard Jasper When Max Hardesty returns to Emory after summer break, his freshman roommate, Ralphie Peters, is in for a big surprise! And it just keeps getting bigger! 11 parts 8,800 words Added Aug 2020 16k views 4.8 stars (6 votes) No comments yet •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Increase

My best friend’s muscles by Mikeytron A group of horny gay researchers develop a new compound that allows unprecedented muscle growth. 5 parts 17k words Added Sep 2021 Updated 13 Nov 2021 41k views 4.8 stars (66 votes) No comments yet •Hyper Muscle •Muscle Growth •Muscle Gut •Muscle/Strength •Gradual Change •Complete •M/M

My big dummy by MegaMaker After years of no contact from his old friend Mylo, Arlo gets a random text from him asking if he can come over. It seems Mylo has recently come across these pills that enhance your body. At first Arlo doesn't believe him, but he stops by anyway to make sure everything is okay. 6,057 words Added Feb 2023 20k views 3.7 stars (11 votes) No comments yet •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Getting Dumber •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Muscle Worship •Public Nudity •Man Scent •Butt Growth •Gradual Change •Getting Taller •Giants •Size Increase •Complete •M/M

My big problem by Richard Jasper Austin, Arturo, Bernie and Ralphie have been friends since they were kids—and discovered that Austin had an improbably huge dick! Growing his muscles to match turns into a group effort! 5 parts 9,214 words Added Aug 2020 9,378 views 3.7 stars (3 votes) No comments yet •Huge Cock •Hyper Strength •Muscle Growth •Muscle/Strength •Getting Handsomer •Gradual Change

My bodyguard by Richard Jasper “Worthless” Worthington High School sophomores Roger Jensen and Nick Delios bond when the latter saves the former’s scrawny ass from the class bully, Ralphie Peters. Their burgeoning affection and academic accomplishments are only exceeded by their ridiculous muscle growth. 4 parts 10k words Added Aug 2020 11k views 5.0 stars (8 votes) No comments yet •Cock Growth •Huge Cock •Hyper Strength •Muscle Growth •Muscle/Strength •Gradual Change •t/t

My chronicles by growerdom I chronicle my growing life, dealing with my new abilities, and you’re there every step of the way. 2 parts 4,018 words Added Dec 2023 Updated 30 Dec 2023 27k views 4.4 stars (23 votes) No comments yet •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Public Orgasm •Dom to Sub •Straight to Gay •Hyper Muscle •Pec Fucking •Hyper Strength •Immobility •Muscle Growth •Muscle Gut •Muscle Theft •Muscle/Strength •Muscle Worship •Man Scent •Voluptuous Men •Butt Growth •Belly Growth •Increased Libido •Getting Handsomer •Gradual Change •Transformation •Voice Deepening •Getting Taller •Giants •Forced Growth •Plausible Size Difference •Size Decrease •Size Increase •Hair Growth/Getting Hairy •Getting Fatter •Father/Son •Dom/Sub •Nonconsensual change •Hyper Pheromones •M

My growth journal by Kaelan It's my 30th birthday... and all of a sudden my body keeps changing. And it's awesome. 3,692 words Added Jul 2017 24k views 4.8 stars (12 votes) No comments yet •Cock Growth •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •Gradual Change •Incest •M

My quarantine get in shape plan by Dream Big Stuck at home during the quarantine, Terry orders a used weight machine, figuring he’ll use the time to lose weight and tone up. His motivation doesn’t really hit, though, until he starts spending time with his hunky neighbor, Sebastian. 24 parts 17k words Added Aug 2020 Updated 3 Oct 2020 17k views 4.9 stars (14 votes) No comments yet •Cock Growth •Muscle Growth •Muscle/Strength •Man Scent •Gradual Change •Set during the Pandemic •M/M

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Needham High Mavericks by BRK Motivating the team has been taken up a notch. 4 parts 14k words Added Aug 2005 Updated 20 Oct 2018 23k views 4.9 stars (17 votes) No comments yet •Cock Growth •Multicock •Replication •Muscle Growth •Muscle/Strength •Gradual Change •Selfcest •M/M •M/M/M

Needs must when the devil drives by CockTFBoi Tom and Niko are hosts for a paranormal investigation show. With low ratings and a bad time slot, they’re desperate to find something to save their show. As they explore an old, abandoned school, they find something that will change their lives forever. 3,621 words Added Sep 2024 2,611 views 5.0 stars (2 votes) No comments yet •Transgender •Man Scent •Increased Libido •Gradual Change •Transformation •Symbiotes •M •M/M

Neighbor kids by Richard Jasper The continuing adventures of Jamie and Stevie, now living on their own. Jamie’s spectacular growth never slows down! 3,191 words Added Sep 2020 8,284 views 5.0 stars (2 votes) No comments yet •Muscle Growth •Muscle/Strength •Gradual Change

The new alphas go camping by Eric Aaldersen New alphas Brian, Jamie, and Jordan all enjoy fireside fucks with their lead alpha, Luke, after Luke passes on the Lore. But not before Luke and Brian bond as alphas for the first time! 5,376 words Added May 2020 9,039 views 4.7 stars (7 votes) No comments yet •Cock Growth •Cut to Uncut •Huge Balls •Muscle/Strength •Gradual Change •Supernatural

The new job by hyperboi Out-of-work engineer Jake takes a job at an isolated mansion, where he’s overpaid for just guarding a gate and letting through mysterious trucks. He and his coworkers are getting slowly bigger and hornier, too, and all this seems really great except for a certain nagging doubt—and a terrifying warning from the hugest of his fellow guards. 8 parts 20k words Added Aug 2014 45k views 4.7 stars (44 votes) No comments yet •Always Hard •Cock Growth •Huge Cock •Hyper Cock •Hyper Muscle •Muscle Growth •Muscle/Strength •Gradual Change •Size Increase •Incest •Brothers •M/M

The new model by Richard Jasper Sixty-year-old Roger Jespersen no longer believes his lifelong bodybuilding goals are achievable. On the other hand, his new therapist, Dr. Haddad, possesses unusual talents. Thanks to his efforts Roger’s inner Mass Monster is unleashed. 4 parts 5,208 words Added Sep 2020 8,849 views 4.8 stars (4 votes) No comments yet •Cock Growth •Huge Cock •Hyper Strength •Muscle Growth •Muscle/Strength •Gradual Change •Djin/Jinn/Genie •M/M

A new start by FanTCMan 3,694 words Added Feb 2003 24k views 4.6 stars (7 votes) No comments yet •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change

The next big thing by Ziel Johnny, a young model/actor trying to make it in Hollywood, always knew he was destined to be The Next Big Thing. 3 parts 5,291 words Added May 2023 Updated 30 Mar 2024 17k views 5.0 stars (10 votes) No comments yet •Cock Growth •Muscle Growth •Getting Handsomer •Gradual Change •Getting Taller •Size Increase •Complete •M

No reason boner by Egi While slogging through high school, Quinn becomes inconvenienced by something that happens to every teenager. However, this problem is much more serious for him, and maybe isn’t actually a problem at all. 8 parts 14k words Added Jun 2017 Updated 9 Mar 2018 30k views 4.9 stars (22 votes) No comments yet •Cock Growth •Self-suck •Gradual Change •t/t

The Nubian prince by Richard Jasper 25-year-old Rob is 5’10” and 160 pounds of Drop Dead Gorgeous. They don’t call him “The Nubian Prince” for nothing! So why’s he hiring a personal trainer at Solstice, the hottest gay gym in town? Because he’s bored. His only requirement: He doesn’t want to get any bigger! 5 parts 4,245 words Added Sep 2020 6,889 views 5.0 stars (3 votes) No comments yet •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Age Difference

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Oliver’s alone time by BRK There’s one pastime Oliver likes to indulge in when he gets some time to himself, and over the years he’s gotten really good at it. 2,646 words Added Apr 2025 3,829 views 4.8 stars (9 votes) No comments yet •Cock Growth •Huge Cock •Self-suck •Gradual Change •Complete •M

Omega cursed: An alpha touch side story by Caliburn Best friends Ryan and Sam finally get to enjoy a much-anticipated camping trip. However, Sam has being acting odd ever since they crossed paths with that man in the gas station. Maybe the weird tattoo that suddenly appeared on Sam’s buttcheek has something to do with it. 8,604 words Added Jun 2022 20k views 4.7 stars (25 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Addiction •Straight to Gay •Muscle Growth •Muscle/Strength •Man Scent •Increased Libido •Foot Growth •Getting Handsomer •Gradual Change •Voice Deepening •Getting Taller •Size Increase •Hair Growth/Getting Hairy •Nonconsensual change •Nonconsensual sex •Hyper Pheromones •Infectious •M/M

One hot summer by BRK Brandon and Eddie enjoy working for their pot-loving boss, Mike, at the pizza place near campus and are bummed they can’t stick around for the summer, too. Mike offers them a possible solution, though he doesn’t let them in on all his plans for the coming summer. 54 parts 119k words (#18) Added Jun 2019 Updated 25 Jun 2022 88k views 4.9 stars (55 votes) No comments yet •Always Hard •Cock Growth •Huge Cock •Self-suck •Replication •Other Mental Changes •Muscle Growth •Muscle/Strength •Always Shirtless •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Giants •Plausible Size Difference •Size Decrease •Size Increase •Hair Growth/Getting Hairy •Incest •Brothers •Twins •Selfcest •Nonconsensual change •Body Swap •Shared Body •Fourth of July •Gay Pride •Complete •Cannabis •M •M/M •M/M/M •M/M/M/...

One more drop by MegaMaker A college water polo player, Rain, is having trouble keeping up with expectations after a lackluster swim season. Afraid of getting cut from his team, he finds a mystery serum that improve his performance. To his surprise it works and his improved performance gets the approval of his entire team and his coach and really attracts the attention of his friend River. Will the attention go his head? Will his team and coach find out? And… will there be any side effects caused by the use of the serum? 16 parts 48k words (#89) Added Mar 2023 Updated 20 May 2023 85k views 4.9 stars (67 votes) No comments yet •Always Hard •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Always Cumming •Hyper Cum •Public Orgasm •Multi-abs •Addiction •Straight to Gay •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Muscle Worship •Always Shirtless •Public Nudity •Man Scent •Butt Growth •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Forced Growth •Plausible Size Difference •Size Increase •Hair Growth/Getting Hairy •Lycra/Spandex •Complete •M/M

Opening an unlocked door by DracumSum Logs is a small human from a family of hyper-endowed muscle beasts. His new roommate is one of them. Logs should be used to it by now. So, why is he so damn hot for him? 2 parts 13k words Added Aug 2024 Updated 2 Nov 2024 6,296 views 4.8 stars (12 votes) No comments yet •Cock Growth •Ball Growth •Hyper Muscle •Muscle/Strength •Muscle Worship •Man Scent •Increased Libido •Gradual Change •First Time/Virgin •Gross Bodily Fluids •Anthro/Furry •M/M

Our pleasure by Thorn A brand new gratuity app has entered the workplace, with more than a few kinks that need working out... 17 parts 100k words (#27) Added Jul 2024 Updated 8 Mar 2025 46k views 4.9 stars (36 votes) No comments yet •Cock Growth •Ball Growth •Huge Cock •Pec Fucking •Muscle Breast •Muscle Growth •Muscle Gut •Muscle/Strength •Muscle Worship •Voluptuous Men •Butt Growth •Belly Growth •Increased Libido •Foot Growth •Getting Handsomer •Gradual Change •Voice Deepening •Getting Taller •Forced Growth •Plausible Size Difference •Size Increase •Hair Growth/Getting Hairy •Getting Fatter •App •Dom/Sub •Dildos/Toys •M

Out of control by MegaMaker Would you become a titan of muscle and mass if your boyfriend asked you to join him? This is the quandary Bailey faced when his lover, Derick, brought him some strange serums. What would Derick do if he said no? 10 parts 22k words Added Oct 2024 Updated 23 Nov 2024 27k views 4.0 stars (8 votes) No comments yet •Always Hard •Cock Growth •Cock Shrinking •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Always Cumming •Hyper Cum •Public Orgasm •Multi-abs •Addiction •Other Mental Changes •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Muscle Worship •Always Shirtless •Public Nudity •Man Scent •Voluptuous Men •Butt Growth •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Giants •Forced Growth •Plausible Size Difference •Size Decrease •Size Increase •Destruction/Violence •Blood •Dom/Sub •Nonconsensual change •Nonconsensual sex •Sex-Slave •Hyper Pheromones •Complete •M •M/M

Outgrowth by BRK Warin gets a special gift from his boyfriend—one that lets him be much more than just a pretty boy-toy. 2,905 words Added Feb 2024 14k views 5.0 stars (8 votes) No comments yet •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Hyper Cum •Hyper Muscle •Muscle Growth •Muscle Gut •Muscle/Strength •Belly Growth •Gradual Change •Giants •Size Increase •Age Difference •Dom/Sub •Valentine’s Day •M/M

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Parasitic paradise by SomeMuscleGuy After over a year of committing himself to a healthier lifestyle, Kyle finds himself down on his luck about his physical progress. Wanting to cheer him up, his boyfriend, Dom, surprises him with a ritual that is meant to help them grow. What neither realizes is that the being they summoned doesn't just want to see them grow. It wants them to see them ascend. 3 parts 13k words Added Oct 2023 Updated 16 Dec 2023 26k views 4.7 stars (20 votes) No comments yet •Always Hard •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Always Cumming •Public Orgasm •Addiction •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle Worship •Increased Libido •Foot Growth •Gradual Change •Voice Deepening •Getting Taller •Giants •Size Increase •Dom/Sub •Infectious •Aliens •Symbiotes •Tentacle •Demons •Complete •M/M •M/M/M

Part-time job by brazboy Murilo decides to get a part time job recommended to him by his cousin: he will be attached to the insides of a vending machine to provide it with the necessary amount of cum and pec milk to satisfy its hungry customers. Nothing major is supposed to happen, until Murilo’s friends make an order which will send the machine into overdrive… 9,229 words Added Jun 2023 16k views 4.8 stars (8 votes) No comments yet •Cock Growth •Cock Pumping •Huge Balls •Huge Cock •Hyper Cock •Nipcocks •Cum Milking •Hyper Cum •Nipple Emissions •Public Orgasm •Muscle Growth •Public Nudity •Increased Libido •Gradual Change •Getting Taller •Forced Growth •Plausible Size Difference •Size Increase •Complete •M/M/M/...

The perfect rubber fetish guy by Unit03 A tech worker takes an online quiz, unaware that his answers are causing changes to his body and career. 4,480 words Added Jul 2024 7,480 views 5.0 stars (7 votes) No comments yet •Cock Shrinking •Always Cumming •Other Mental Changes •Gradual Change •Transformation •Hairless •Retcon •Cock Cage •Dom/Sub •Sex-Slave •Dildos/Toys •Rubber/Latex •Mind Control •Complete •M

The porn star by Richard Jasper What do you do with a gigantic dick and the ability to slab on hundreds of pounds of muscle? Make movies, of course! 3 parts 3,147 words Added Sep 2020 10k views 4.8 stars (4 votes) No comments yet •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change

Power couple by Richard Jasper Roger and Bruce have been best friends since age 13. They go off to different high schools and Roger gets into lifting, thereby sealing their destinies. 5 parts 6,205 words Added Sep 2020 7,447 views 5.0 stars (3 votes) No comments yet •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change

The price by Mikeytron Anthony’s husband, Tom, has just turned 40, and is in despair that his body will never become what he wants it to be. Anthony feels powerless to help, until a mysterious entity gives him the opportunity to rewrite Tom’s past– but there is always a price. A dark but hopefully redemptive story about desperation, time travel, and love. 5 parts 19k words Added May 2022 Updated 18 Jun 2022 20k views 5.0 stars (36 votes) No comments yet •Cock Growth •Other Mental Changes •Hyper Muscle •Immobility •Muscle Growth •Gradual Change •Retcon •Time Travel •Supernatural •Complete •M/M

Primal attraction by Mikeytron Two dedicated hardgainers have been noticing each other at the gym. Their paths finally cross, and they begin to change– subtly at first, but it won’t stay that way. 5 parts 12k words Added Jan 2022 Updated 19 Feb 2022 22k views 4.9 stars (58 votes) No comments yet •Muscle Growth •Muscle/Strength •Muscle Worship •Gradual Change •Human to Animal/Anthro •Hair Growth/Getting Hairy •Werewolves •Supernatural •Complete •M/M

Primal supremacy by Mikeytron A sequel to “Primal Attraction.” Ian is a short twink who wants to be a monster. Years in the gym have only given modest results. Then, one fall, things start to change. He’s finally growing, but he’s in denial for some reason as the changes accumulate. Worse, it feels like something is stalking him... 5,864 words Added Dec 2022 10k views 4.9 stars (19 votes) No comments yet •Hyper Muscle •Muscle Growth •Muscle/Strength •Gradual Change •Human to Animal/Anthro •Hair Growth/Getting Hairy •Werewolves •Supernatural •Complete •M/M

The primal transformation by Matthew Wright Matt finds himself inexplicably growing hairier and hairier. 5 parts 3,550 words Added Dec 2023 5,505 views 4.9 stars (7 votes) No comments yet •Gradual Change •Transformation •Hair Growth/Getting Hairy •M

The problem with patrons by SpaceWerewolf Levi’s desperation to find someone who’ll help him grow attracts the attention of demons with their own motives for him. A story of love, lust and growth inspired by “Molten Wings” and other works of Mikeytron. 13 parts 68k words (#54) Added Jul 2023 Updated 30 Sep 2023 20k views 4.7 stars (36 votes) No comments yet •Hyper Cock •Hyper Muscle •Immobility •Muscle Growth •Muscle Worship •Gradual Change •Transformation •Hyper Tongue •Destruction/Violence •Blood •Nonconsensual change •Demons •Werewolves •Supernatural •Complete •M •M/M •M/M/M/...•M/M/M/...

Prototype by FanTCMan Rocky starts working out to distract attention from his embarrassing donkey dick, only to make himself a spectacle that way too. Once he hits college he catches the eye of student teacher Jake, who sees possibilities for Rocky... 12 parts 16k words Added Jun 2005 33k views 4.8 stars (19 votes) No comments yet •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Gradual Change •Hair Growth/Getting Hairy

Puberty is a bitch by Lover Boy 2 Brad thought he was done with puberty, so he’s perplexed and a bit alarmed by a new wave of growth that keeps hitting him at just the wrong moment. 11 parts 15k words Added Sep 2009 188k views 4.3 stars (31 votes) No comments yet •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Gradual Change •Size Increase •t/t

Pup frat by Newbie Pup At the behest of an old friend, Jack joins a frat and finds the initiation to be wilder than his growing- pup-filled dreams. 10k words Added Mar 2023 20k views 4.9 stars (37 votes) No comments yet •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Cum inflation •Other Mental Changes •Muscle Growth •Muscle Gut •Muscle/Strength •Muscle Worship •Always Shirtless •Belly Growth •Gradual Change •Transformation •Getting Taller •Plausible Size Difference •Hair Growth/Getting Hairy •Getting Fatter •Inflation •Complete •M/M •M/M/M

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Quarantine weight by Aphon Quarantine has a way of making the days blur together. After a while, it’s easy to forget what your body used to look like before your favorite Meal Replacement XL shakes. 2 parts 1,793 words Added Feb 2021 17k views 4.3 stars (11 votes) No comments yet •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Belly Growth •Gradual Change •Hair Growth/Getting Hairy •Set during the Pandemic •M

Quinquetra by BRK Exploring his workaholic husband’s ancestral house on his own, Wes encounters a strange symbol and a dreamlike man who seems closely connected to it. 3 parts 16k words Added Oct 2020 Updated 21 Sep 2024 14k views 4.9 stars (12 votes) No comments yet •Cock Growth •Huge Cock •Muscle Growth •Increased Libido •Gradual Change •Getting Taller •Retcon •Supernatural •M/M •M/M/M/...

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The radiation zone by SomeMuscleGuy After going off the beaten path to explore an abandoned military base, Alex is involved in an incident that leaves him contaminated with radioactive material, and he won’t stop growing until he escapes. 3,606 words Added Aug 2022 22k views 4.7 stars (30 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Butt Growth •Increased Libido •Foot Growth •Gradual Change •Transformation •Voice Deepening •Getting Taller •Giants •Size Increase •Nonconsensual change •Infectious •M

Reality Pack by Thorn What happens when the program you’re working on for school has a downloadable mod? You investigate it of course! 15 parts 79k words (#45) Added Nov 2020 Updated 27 Feb 2021 70k views 4.9 stars (45 votes) No comments yet •Cock Growth •Huge Cock •Pec Fucking •Muscle Breast •Muscle Growth •Muscle/Strength •Butt Growth •Belly Growth •Gradual Change •Getting Taller •Plausible Size Difference •Hair Growth/Getting Hairy •App •Age Difference •First Time/Virgin •Incest •Brothers •Father/Son •Valentine’s Day •M/M •M/M/M

The Red Prince by brazboy Out of a weird arrangement a cursed prince is born, one who has an uncontrollable appetite for human flesh. As his unabated hunger leads him to consume more and more men, he transforms, gaining the body of a gigantic marvelously muscular giant. Who can stop him, and what will be the consequences of trying? 2 parts 8,773 words Added Aug 2023 14k views 4.3 stars (11 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Nipple Emissions •Extra Mouths •Multi-abs •Multi-balls •Multicock •Boytaur •Multiarm •Multileg •Multilimb •Multipec •Multitongue •Stacking •Hyper Muscle •Immobility •Muscle Growth •Gradual Change •Male Pregnancy •Transformation •Size Increase •Hyper Tongue •Tongue Growth •Incest •Brothers •Hetero Sex •Destruction/Violence •Blood •Nonconsensual change •Nonconsensual sex •Vore •Complete •Medieval(ish) •M/M •M/M/M/...•M/M/F

The Reflex by Cris Kane James receives an unexpected gift from an old friend: the trendy new home gym called the Reflex System. 5 parts 25k words Added Mar 2020 Updated 18 Apr 2020 14k views 4.6 stars (13 votes) No comments yet •Muscle Growth •Muscle/Strength •Gradual Change •A.I.-Controlled Change •Set during the Pandemic •M/M

Reset by Richard Jasper Inexplicably starting his life over again as a weedy teenager, Richard is determined to make sure things are different this time. 9,819 words Added Mar 2020 14k views 4.7 stars (10 votes) No comments yet •Gay to Straight •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Age Regression •M

Resolution by Richard Jasper Skimpy young Ben, stuck for Christmas in a bumfuck town on the high plains, is astounded that Max, the bartender keeping him company, is a total musclebear stud! He resolves to come back in a year a bigger and better man and with Max’s encouragement does just that. 8 parts 6,657 words Added Sep 2020 11k views 4.0 stars (5 votes) No comments yet •Cock Growth •Huge Cock •Hyper Cock •Hyper Strength •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Increase •New Year’s Eve

Rewards by Kettle A sexy visiting prof named Jeff draws the admiration of two young guys, who soon learn the unexpected benefits of Jeff’s cum. 3,913 words Added Apr 2003 14k views 4.2 stars (5 votes) No comments yet •Hyper Cum •Muscle Growth •Muscle/Strength •Gradual Change

The ring of desire by Laylom_02 Alex stumbles across a magic ring that seems to fulfill any desire he might have. Clearly this can only mean good things, right? 2 parts 2,897 words Added Jan 2024 Updated 17 Feb 2024 10k views 4.8 stars (12 votes) No comments yet •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cum •Immobility •Gradual Change •Retcon •M •M/M

The roommate retcon by Jasper Slate Blake lives with Andrew. Andrew has invented a reality-changing device. Blake can think of a million ways this could go wrong. Andrew has other ideas. Blake decides to steal the device from Andrew. If Blake deletes the device from existence, Andrew’s never gonna know. Blake finds that even the best-laid plans still often go wrong. 19k words Added Aug 2024 9,621 views 4.6 stars (20 votes) No comments yet •Cock Growth •Huge Cock •Muscle Growth •Increased Libido •Getting Handsomer •Gradual Change •Transformation •Voice Deepening •Getting Taller •Plausible Size Difference •Size Increase •Hair Growth/Getting Hairy •App •Retcon •First Time/Virgin •Dom/Sub •Nonconsensual change •Complete •M/M

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The salt by RdyRoger Trav gets his hands on some salts that cause all kinds of sexy growth and transformation. Using them on himself is great, but growing other people without their realizing it is even more fun. 9 parts 36k words Added Jun 2010 96k views 4.8 stars (24 votes) No comments yet •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Increased Libido •Gradual Change •Getting Taller •Size Increase •Tongue Growth •Incest •Brothers

Say cheese and grow by hyperboi When Greg and his friends take a picture of themselves using a creepy camera, the resulting image shows them wildly transformed in different ways. They just think it’s a weird glitch, until it slowly starts becoming true. 13 parts 29k words Added Nov 2013 46k views 4.7 stars (25 votes) No comments yet •Cock Growth •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers •t/t •t/t/t

Scenes: muscle growth shorts by Richard Jasper Ten interrelated short stories about giant muscles, huge cocks, growth galore, and, as always, fur fur fur! 10 parts 10k words Added Oct 2020 10k views 5.0 stars (2 votes) No comments yet •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Hair Growth/Getting Hairy

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. 8,336 words Added Feb 2023 16k views 4.3 stars (7 votes) No comments yet •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 second subject by MegaMaker A college kid named Angel is kidnapped and brought to a facility to become the next test subject for underground scientific advancements. 14 parts 33k words Added Dec 2024 Updated 1 Feb 2025 24k views 4.6 stars (14 votes) No comments yet •Always Hard •Cock Growth •Cock Pumping •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Cum Milking •Always Cumming •Hyper Cum •Multi-abs •Other Mental Changes •Straight to Gay •Hyper Muscle •Pec Fucking •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Muscle Worship •Always Shirtless •Man Scent •Butt Growth •Increased Libido •Foot Growth •Getting Handsomer •Gradual Change •Voice Deepening •Getting Taller •Giants •Forced Growth •Plausible Size Difference •Size Increase •Age Difference •Destruction/Violence •Blood •Nonconsensual change •Nonconsensual sex •Restraints •Lycra/Spandex •Hyper Pheromones •Horror •Complete •M •M/M

Self-improvement by BRK Cam needs to get the cute guy he’s dosed with a little bit of experimental physio-changing serum to say what he wants in order for the transformations to start. He’s planning to keep things small and subtle, only Aiden isn’t as bashful as he appears, and he’s also just a tiny bit drunk. 4,175 words Added Sep 2018 18k views 4.9 stars (12 votes) No comments yet •Cock Growth •Huge Cock •Replication •Muscle Growth •Gradual Change •Suggestion •Selfcest •Aliens •Complete •M/M •M/M/M

Senior year by Richard Jasper Henry is a 6’2”, 140-pound beanpole. Charles, his best friend from childhood, is a 5’11, 200-pound stud. They have big plans for their senior year of high school! 5 parts 5,797 words Added Oct 2020 10k views 5.0 stars (3 votes) No comments yet •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Hetero Sex •t/t

Sexi-Phi by BRK Joining a frat turns out to be a big transition for Holden, especially given the way his body is reacting to all his extra-hot house-brothers. 16 parts 92k words (#32) Added Jun 2023 Updated 5 Oct 2024 58k views 4.9 stars (59 votes) No comments yet •Always Hard •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Self-suck •Always Cumming •Hyper Cum •Public Orgasm •Muscle Growth •Always Shirtless •Public Nudity •Increased Libido •Gradual Change •Getting Taller •Incest •Father/Son •Twins •Hyper Pheromones •Christmas •Complete •M •M/M

Shaming the boastful centaur by DracumSum Bill makes a joke, and a Greek goddess makes it real. 7 parts 41k words Added Oct 2022 Updated 21 Oct 2023 24k views 5.0 stars (13 votes) No comments yet •Always Hard •Cock Growth •Cut to Uncut •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Cum Milking •Always Cumming •Hyper Cum •Four Legs •Hyper Muscle •Immobility •Muscle Growth •Public Nudity •Increased Libido •Breast Expansion •Getting Handsomer •Gradual Change •Transformation •Voice Deepening •Giants •Forced Growth •Human to Animal/Anthro •Hair Growth/Getting Hairy •Hairless •Retcon •First Time/Virgin •Bisexual •Nonconsensual change •Restraints •Hyper Pheromones •Time Travel •Centaurs •Pagan gods •Supernatural •Complete •M/M •M/M/F

Shared looks by Badboola Seth is a freshman in college who is trying to reinvent his image and break out of his shell. Seth gradually learns that when he gives attention to men they grow, and when he gets attention then he gets to grow. Using his new abilities, Seth helps the men around him achieve their desires and help him have the confidence to hook up with his crush. 5 parts 32k words Added Apr 2024 Updated 27 Apr 2024 20k views 5.0 stars (26 votes) No comments yet •Cock Growth •Cock Pumping •Huge Balls •Ball Growth •Huge Cock •Hyper Cum •Hyper Muscle •Pec Fucking •Muscle Growth •Muscle/Strength •Muscle Worship •Man Scent •Butt Growth •Increased Libido •Gradual Change •Getting Taller •Size Increase •Lycra/Spandex •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 26k words Added Jul 2023 Updated 19 Aug 2023 20k views 4.9 stars (28 votes) No comments yet •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 •Hair Growth/Getting Hairy •Inflation •Age Difference •Father/Son •M/M/M

The six pack by Cris Kane Returning from a Mexican vacation, a gay couple bring back a mysterious drink for their friends to try, bringing on some changes for the group of friends that require a great deal of getting used to. 9 parts 39k words Added Sep 2018 41k views 4.8 stars (15 votes) No comments yet •Cock Growth •Cock Shrinking •Huge Cock •Gender Swap •Butch-to-Fem •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Butt Growth •Belly Growth •Increased Libido •Getting Handsomer •Gradual Change •Transformation •Getting Taller •Size Decrease •Size Increase •Age Progression •Age Regression •Race/Ethnicity Change •Hair Growth/Getting Hairy •Getting Fatter •Destruction/Violence •M/M •M/M/M

Size matters by BigManBigBelly An earnest and passionate top’s deficit leaves his bottom hook-up frustrated, but when the bottom lets slip his desire for more size, his wish comes true with ironic consequences. The word ‘grow’ becomes very triggering for him. 3,551 words Added Jan 2022 18k views 4.8 stars (21 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Butt Growth •Foot Growth •Gradual Change •Giants •Size Increase •Destruction/Violence •Humiliation •Nonconsensual change •M •M/M

Skin tight by Dream Big Mark has big brains, but a big body? Not so much. So he decides to bend his gray matter toward a high-tech A.I.-assisted body suit that will help him achieve the kind of body he dreams about. 23 parts 38k words Added Apr 2019 Updated 3 Oct 2020 58k views 4.6 stars (45 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Hyper Tongue •A.I.-Controlled Change •Nanotech •Nonconsensual change •Hyper Pheromones •M/M

The sleepover by Mad Dog and Mr. X Muscle-bosotted hIgh school brainiac Ethan has been quietly slipping his best friend and secret crush Joshua his startlingly effective growth formula, but things ratchet up a notch after Joshua agrees to spend a weekend at Ethan’s. 9,193 words Added May 2023 13k views 5.0 stars (20 votes) No comments yet •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Muscle Growth •Gradual Change •t/t

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. 3,029 words Added Sep 2022 8,870 views 4.8 stars (12 votes) No comments yet •Huge Balls •Huge Cock •Hyper Cum •Muscle Breast •Muscle Gut •Man Scent •Gradual Change •M/M

SNU-5|VU by DracumSum Nathan and Nick have to complete a biochem project on the metahumans caused by the failed SNU-5 nanobot project—only they don’t know any, and the brief random encounter Nathan had at a bus stop the other day won’t help them. Or will it? 6,053 words Added Feb 2022 16k views 4.7 stars (7 votes) No comments yet •Cock Growth •Cut to Uncut •Huge Balls •Huge Cock •Hyper Muscle •Muscle Growth •Hyper Anus •Increased Libido •Foot Growth •Gradual Change •Transformation •Getting Taller •Giants •Plausible Size Difference •Size Increase •Hairless •Nanotech •Infectious •Set in the Future •M/M

Software upgrades by King Dave Like many people, Jacob has been working from home since Covid-19 hit in March. Now in late December, an update to the video chat software gives him and his hunky coworker a pleasant surprise. Good think he didn’t take the day off! 3 parts 7,945 words Added Dec 2020 Updated 9 Jan 2021 17k views 4.8 stars (25 votes) No comments yet •Cock Growth •Huge Cock •Muscle Growth •Gradual Change •Getting Taller •Size Increase •Retcon •Suggestion •Christmas •Hanukkah •Set during the Pandemic •M/M

The solitary flesh by Mikeytron A pair of space mercenaries are dispatched to a strange alien world to guard the manufacture of a massive quantity of the medical and cosmetic wonderdrug SynthStem, which allows humans to reshape their bodies. In part one, the stage is set and the stakes are raised. 4 parts 24k words Added Sep 2022 Updated 8 Oct 2022 20k views 5.0 stars (79 votes) No comments yet •Huge Cock •Other Mental Changes •Hyper Muscle •Immobility •Muscle Growth •Muscle/Strength •Gradual Change •Merging •Aliens •Space Travel •Complete •Set in the Future •M/M

The source: a Henry Himura mystery by Proteus Henry is hired to track down a missing young man named Samuel Roth. The trail leads him to a gym and a mysterious serum called Hard-T. 11 parts 16k words Added Aug 2013 27k views 4.9 stars (16 votes) No comments yet •Cock Growth •Huge Cock •Getting Dumber •Muscle Growth •Muscle/Strength •Gradual Change •Plausible Size Difference •Hair Growth/Getting Hairy •M/M

Spare parts by YellowJester After being disfigured in an accident, Al learns that he doesn’t need his old body or face when he can simply copy the best features of those around him. 3,378 words Added Aug 2022 11k views 5.0 stars (12 votes) No comments yet •Cock Growth •Straight to Gay •Muscle Growth •Butt Growth •Increased Libido •Getting Handsomer •Gradual Change •Voice Deepening •Getting Taller •Size Increase •M/M

The spark by BRK A chance encounter in the subway leads to a connection so powerful their bodies have to expand to match it. 5,387 words Added Apr 2024 10k views 4.9 stars (16 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Increased Libido •Getting Handsomer •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Hair Growth/Getting Hairy •Complete •M/M

Spice by Mr. X and Mad Dog In this epic story, the transformative powers of a certain substance are tested by a couple of very horny guys. 50 parts 221k words (#4) Added Oct 2009 Updated 9 Nov 2019 268k views 4.4 stars (66 votes) No comments yet •Cock Growth •Huge Cock •Other Mental Changes •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle Theft •Muscle/Strength •Muscle Worship •Man Scent •Foot Growth •Gradual Change •Transformation •Voice Deepening •Getting Taller •Size Increase •Hair Growth/Getting Hairy •Age Difference •Incest •Father/Son •Supernatural •Gay Pride •Alcohol •M/M •M/M/M

Strange chemistry by sadmilkhotel Joel sees things others can’t, that is until what he sees starts to become reality. 5,075 words Added Jan 2021 4,440 views 5.0 stars (2 votes) No comments yet •Gradual Change •Getting Taller

Summer vacation by Richard Jasper Recent high school graduate Roger is looking forward to spending the summer—alone—at his grandparents’ lake house. He plans to eat, lift, and grow! Little did he anticipate the effect his grandfather’s special formula Vegemite would have on the process! 6 parts 8,655 words Added Oct 2020 14k views 4.7 stars (12 votes) No comments yet •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Hair Growth/Getting Hairy •M

A super costume party by Redouan It’s Halloween and Josh’s friend loves to go to Halloween costume parties. Josh hates dressing up, so he has to deal with the dilemma: will he wimp out, or will he show up and show off as a superhero? 6,511 words Added Oct 2021 13k views 4.0 stars (12 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Public Orgasm •Muscle Growth •Muscle/Strength •Muscle Worship •Gradual Change •Retcon •Lycra/Spandex •Halloween •Superhero/Supervillain •Complete •M/M/M/...

The swelling exposure by Lionel E. Linklander When a young man finds cock growth pills to impress his boyfriend Jimmy, he gets carried away. The result is his small member growing and getting bigger and bigger in public. And Jimmy is enjoying every minute of the growth… 4,274 words Added Aug 2023 18k views 4.6 stars (14 votes) No comments yet •Cock Growth •Cock Pumping •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Cum inflation •Cum Milking •Hyper Cum •Muscle Growth •Muscle Worship •Public Nudity •Man Scent •Belly Growth •Feeding •Gradual Change •Forced Growth •Inflation •Dom/Sub •M/M

The swimming hole: Legacy by Azerreza When Nick moves to a new city he hears rumours that it had once been partially destroyed by muscular titans. Not believing it at first, he decides to ignore them. But sometimes… rumours aren’t really rumours! And if it were true that there was a way to grow like that, could he use it to seduce the secret love of his life? 3 parts 35k words Added Aug 2021 Updated 18 Sep 2021 29k views 4.8 stars (12 votes) No comments yet •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Multi-abs •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Plausible Size Difference •Size Increase •First Time/Virgin •M/M

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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. 3,937 words Added Jan 2023 16k views 4.1 stars (16 votes) No comments yet •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 •Hair Growth/Getting Hairy •Incest •Brothers •Stories with Images •M/M

A taste of Minos’s beast by Jacked Garland Felix and his friend Orson drink some minotaur cum together. They know it can make you grow, but they get much, much more than they bargained for. 3,744 words Added Oct 2024 4,067 views 4.9 stars (8 votes) No comments yet •Cock Growth •Ball Growth •Man Scent •Gradual Change •Gross Bodily Fluids •Minotaurs •M •M/M

Teacher’s testimony by Six Pecs A teacher testifies to having been part of the inner circle surrounding a young man with godlike powers. 10 parts 41k words Added Aug 2024 Updated 14 Jun 2025 28k views 5.0 stars (39 votes) No comments yet •Cock Growth •Cock Shrinking •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Nipcocks •Hyper Cum •Nipple Emissions •Public Orgasm •Extra digits •Multi-abs •Multicock •Multiarm •Multilimb •Multitorso •Replication •Other Mental Changes •Straight to Gay •Hyper Strength •Muscle Breast •Muscle Growth •Muscle/Strength •Public Nudity •Body Parts in Strange Places •Man Scent •Voluptuous Men •Hyper Anus •Feeding •Foot Growth •Getting Handsomer •Gradual Change •Transformation •Voice Deepening •Getting Taller •Giants •Forced Growth •Plausible Size Difference •Size Decrease •Size Increase •Age Progression •Age Regression •Human to Inanimate •Hair Growth/Getting Hairy •Hyper Tongue •Mouthcock •Age Difference •Incest •Father/Son •Selfcest •Nonconsensual change •Restraints •Rubber/Latex •Absorption •Hyper Pheromones •Infectious •Merging •Shared Body •Possession •Gay Pride •Hypnosis •Mind Control •Shapeshifting •M/M •M/M/M •M/M/M/...

That’s my bush! by BRK Gerry had no body hair, much to his chagrin. He’d always thought it made him less masculine. So he felt a little called out by the ads appearing on his web pages lately for a brand of hot underwear worn only by the most manly of men. 2,232 words Added Jun 2023 6,214 views 4.6 stars (11 votes) No comments yet •Cock Growth •Gradual Change •Hair Growth/Getting Hairy •Nonconsensual change •Complete •M/M

Three giant guys by MegaMaker Three short vignettes taking place in three separate universes, with three very hot growing guys. 3 parts 5,926 words Added Mar 2024 17k views 5.0 stars (7 votes) No comments yet •Always Hard •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Self-suck •Always Cumming •Hyper Cum •Public Orgasm •Multi-abs •Addiction •Getting Dumber •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Muscle Worship •Public Nudity •Man Scent •Butt Growth •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Giants •Forced Growth •Plausible Size Difference •Size Increase •Hair Growth/Getting Hairy •Destruction/Violence •Hyper Pheromones •Shapeshifting •M

Three more giant guys by MegaMaker Three More Giant Guys is a follow-up to the collection titled “Three Giant Guys.” These are quick hot stories about guys becoming huge, hot, sexy giants. 3 parts 9,928 words Added Nov 2024 12k views 5.0 stars (4 votes) No comments yet •Always Hard •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Always Cumming •Hyper Cum •Public Orgasm •Multi-abs •Addiction •Getting Dumber •Other Mental Changes •Straight to Gay •Hyper Muscle •Pec Fucking •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Muscle Worship •Always Shirtless •Public Nudity •Man Scent •Butt Growth •Increased Libido •Getting Handsomer •Gradual Change •Voice Deepening •Getting Taller •Giants •Forced Growth •Plausible Size Difference •Size Increase •Hair Growth/Getting Hairy •Destruction/Violence •Dom/Sub •Nonconsensual change •Nonconsensual sex •Lycra/Spandex •Complete •M •M/M

Threefer: Barry by BRK Performing at a festival with his band, Barry is getting way too stimulated thinking about all the things that have happened to him since his drummer Wes introduced him into their little group—especially some unexpected and very personal changes that no one knows about yet, not that he’ll be able to hide them for long… 2,816 words Added Jun 2022 5,888 views 4.0 stars (4 votes) No comments yet •Nipcocks •Multicock •Muscle Growth •Increased Libido •Gradual Change •Mouthcock •Complete •M/M/M/...

Tim’s adventure by WordShop Tim finds romance becomes a little more complicated when muscle growth and hypermasculity is involved. 5 parts 35k words Added Jan 2018 Updated 23 Feb 2018 33k views 4.4 stars (16 votes) No comments yet •Cock Growth •Huge Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change •Size Increase •Hair Growth/Getting Hairy •First Time/Virgin •M/M

Too big by NBCK99 Would a constantly growing cock really be so great? One man tells his story and explains how his condition has affected his life. 2,883 words Added Jan 2024 9,929 views 4.8 stars (21 votes) No comments yet •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Other Mental Changes •Public Nudity •Increased Libido •Gradual Change •Complete •M •M/M •M/M/M

Top dog by BRK Cocky Navy SEAL cadet Jake normally powers past all competition, but the unstoppable Marcus is bigger and tougher than he is. Fortunately, Jake’s not above using any advantage he can to win. 6 parts 6,664 words Added Sep 2024 Updated 12 Oct 2024 8,328 views 4.8 stars (12 votes) No comments yet •Cock Growth •Huge Cock •Public Orgasm •Muscle Growth •Gradual Change •Complete •M/M

The training program by BRK Recruited to take part in an intense and highly selective three-week LEO training program, Texas Ranger Dusty thinks he and his fellow trainees are in for a lot of hard work and conditioning. What he doesn’t know is what exactly these elite law-enforcement men are being trained for. 5 parts 8,850 words Added Aug 2021 21k views 4.5 stars (11 votes) No comments yet •Always Hard •Cock Growth •Self-suck •Hyper Cum •Addiction •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Always Shirtless •Increased Libido •Getting Handsomer •Gradual Change •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Hair Growth/Getting Hairy •Dom/Sub •Nonconsensual change •Sex-Slave •Aliens •Complete •M/M •M/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 15k words Added Dec 2022 20k views 4.9 stars (16 votes) No comments yet •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 •Hair Growth/Getting Hairy •Complete •M/M

Twisted fates by BRK A bored chaos god decides to play a little prank on two urbex buddies wandering through his former home. 5,003 words Added Apr 2022 18k views 4.8 stars (19 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Multi-abs •Replication •Straight to Gay •Muscle Growth •Stretchy •Increased Libido •Getting Handsomer •Gradual Change •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Hair Growth/Getting Hairy •Retcon •Suggestion •Selfcest •Nonconsensual change •Supernatural •Invisibility •Complete •M/M •M/M/M

Two brothers by Richard Jasper Will and Chris are brothers, four years and one week apart. They’ve always been close but then Will persuades his parents to buy him a weight set and their true love—muscle—is unleashed! This story has two endings, “No, They Don’t” and “Yes, They Do” (make of that what you will!). 7 parts 7,269 words Added Oct 2020 9,237 views 5.0 stars (3 votes) No comments yet •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers

Two of everything by Big S Having two cocks already makes Danny feel different, but the fact that they keep getting bigger makes for a few awkward moments. Fortunately, his buddy Kevin is pretty into it. 5 parts 8,943 words Added Jun 2011 16k views 4.7 stars (3 votes) No comments yet •Cock Growth •Huge Cock •Self-suck •Multicock •Muscle Growth •Gradual Change •Hair Growth/Getting Hairy

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Under control by MaxMorphs Rylan is enthralled as his roommate, Peter, seems to be growing all over—though Peter denies anything is happening, and no one else seems to notice either. 5 parts 22k words Added Apr 2020 Updated 8 Aug 2020 49k views 4.9 stars (34 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Nipple Emissions •Muscle Growth •Muscle/Strength •Butt Growth •Gradual Change •Getting Taller •Size Increase •M/M

Unequal exchange by Fallon Ives Jacob gets more (and less) than he bargained for when a late-night hookup with a guy from out of town takes a turn for the strange. No part of him will ever be the same. 9 parts 21k words Added Nov 2021 Updated 12 Feb 2022 47k views 4.6 stars (17 votes) No comments yet •Cock Growth •Cut to Uncut •Cock Shrinking •Cock Theft •Huge Balls •Huge Cock •Hyper Cum •Muscle Worship •Man Scent •Belly Growth •Increased Libido •Gradual Change •Transformation •Getting Taller •Plausible Size Difference •Size Decrease •Size Increase •Getting Fatter •Tongue Growth •Dom/Sub •Humiliation •Nonconsensual change •Sex-Slave •Supernatural •M/M •M/M/M

An unstoppable force by SomeMuscleGuy After many years apart, two old friends find themselves reconnected and unwillingly falling for each other—fast. They don’t know it at first, but any romantic connection between the two makes them grow. 4 parts 17k words Added Aug 2024 Updated 21 Sep 2024 22k views 4.8 stars (12 votes) No comments yet •Always Hard •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Self-suck •Always Cumming •Hyper Cum •Public Orgasm •Addiction •Hyper Muscle •Pec Fucking •Immobility •Muscle Growth •Muscle Worship •Public Nudity •Butt Growth •Increased Libido •Foot Growth •Gradual Change •Voice Deepening •Getting Taller •Giants •Forced Growth •Plausible Size Difference •Size Increase •Humiliation •Nonconsensual change •Infectious •Complete •M/M

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The Vale by CockTFBoi When Kurt inherits a remote mansion from his uncle, he decides to spend the summer there with his friends. Andy and Oliver join him at the start of the summer to explore the house, but the place is surrounded by a huge valley located deep in the wilderness far from civilization. As strange events begin to unfold, the trio must figure out what is happening to them. 5 parts 34k words Added May 2023 Updated 30 Sep 2023 36k views 4.9 stars (17 votes) No comments yet •Always Hard •Cock Growth •Cut to Uncut •Cock Shrinking •Cock Theft •Cockless •Huge Balls •Ball Growth •Human to Cock •Cum inflation •Cum Milking •Always Cumming •Hyper Cum •Boytaur •Four Legs •Butch-to-Fem •Muscle Growth •Always Shirtless •Public Nudity •Pointy Ears •Voluptuous Men •Butt Growth •Increased Libido •Gradual Change •Transformation •Size Decrease •Human to Inanimate •Hairless •Getting Fatter •Cock Cage •Dom/Sub •Nonconsensual sex •Restraints •Dildos/Toys •Anthro/Furry •Orcs •Werewolves •M •M/M •M/M/M •M/M/M/...

Vivid by BRK Alex sees a new neighbor moving in and lets his imagination build him up to new levels of sexiness. 3,576 words Added Nov 2022 11k views 4.9 stars (8 votes) No comments yet •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Multi-abs •Multicock •Multiarm •Multileg •Multilimb •Three Legs •Muscle Growth •Muscle/Strength •Getting Handsomer •Gradual Change •Getting Taller •Plausible Size Difference •Mouthcock •Incest •Brothers •Triplets •Complete •M/M •M/M/M/...

Vlogger by Sithspawn An anonymous guy begins to notice strange changes in his body and starts a video blog to document what’s happening. 12 parts 22k words Added Mar 2021 Updated 27 Mar 2021 9,754 views 5.0 stars (9 votes) No comments yet •Gradual Change •Transformation •Superhero/Supervillain •Flying •X-Ray Vision •All Dialog

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Who wants to be a boytaur? by BRK That story that Who Wants to Be a Boytaur? grows the people that watch it as well as the contestants is probably just an urban legend. 2 parts 4,864 words Added Jun 2012 Updated 27 Jun 2020 18k views 4.7 stars (7 votes) No comments yet •Cock Growth •Huge Cock •Extra digits •Multicock •Boytaur •Four Legs •Multileg •Multilimb •Gradual Change •Complete •M/M •M/M/M

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Y-M-C-Gay by M.M.69 An ordinary guy with an extraordinary ability gets the guy of his dreams. 2,646 words Added Nov 2021 19k views 4.5 stars (17 votes) No comments yet •Always Hard •Cock Growth •Huge Balls •Huge Cock •Public Orgasm •Extra digits •Multi-abs •Multicock •Multihead •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Three Legs •Multitongue •Multitorso •Replication •Straight to Gay •Muscle Growth •Public Nudity •Getting Handsomer •Gradual Change •Getting Taller •Retcon •Suggestion •Incest •Father/Son •Selfcest •M/M •M/M/M

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