Longest Stories

A list of stories live on the site of at least novella length (20,000+ words).

**This Page: Top Tags**
Huge Cock
Muscle Growth
Muscle/Strength
Cock Growth
Size Increase
Getting Taller
Hyper Cock
Huge Balls
Hyper Cum
Gradual Change

**This Page: Top Stories**
Justin (the bigger the better) by Giant Worshipper
Max’s wish by Bulge101
Above average by Ziel
Spice by Mr. X
All good things by Anon Amon
Medicine show by Fafhrd
Jason’s big problem by Joven
My roommate (complete) by LenZelig
Mind and body by BRK
Bigger issues by muscl4life

**This Page: Recently Updated Stories**
The right blend by BRK
Mountainheart by BRK
Sinfulfillment by EdIam
The alpha touch by Caliburn
Sexi-Phi by BRK
The last month by Michverdun
Shaming the boastful centaur by DracumSum
The house by Writ Bro

228 stories found Sorted by word count Total word count: 11,126,428

100k+ 21

Empire by LenZelig A massive consolidation of the entire “Bill’s Education” universe, incorporating the previously separately posted “The Surfer”, “The Rescue”, “Spring Break”, “Pickup Trouble”, and “School Days”, “Empire” is the wide-ranging tale of easy transformation and even easier sex across all boundaries—friends, family members, genders, even species—as a fortunate crop of humans stumble into a wider universe of size, muscle, double-digit-length cocks and much, much more and discover the true meaning of shared, radical, uninhibited pleasure. 40 parts Added Apr 2019 Updated 1 May 2021 134k views 3.7 stars (6 votes) 366k words (#1) •Cock Growth •Huge Cock •Self-suck •Straight to Gay •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Age Difference •Bestiality •First Time/Virgin •Incest •Brothers •Father/Son •Twins •Bisexual •Hetero Sex •Nonconsensual change •Sex-Slave •Shared Body •Aliens •Space Travel •Witch/Warlock/Wizard •Thanksgiving •Mind Control •Complete

Medicine show by Fafhrd and Longbow9 Underendowed College student Terry comes in contact with a mysterious “extension cream” that turns out to be the real thing. Soon, he and his male and female friends are transforming themselves, and some are unable to stop. 174 parts Added Feb 2012 Updated 22 Feb 2014 212k views 4.5 stars (25 votes) 250k words (#2) •Cock Growth •Ball Growth •Huge Cock •Hyper Cock •Self-suck •First Time/Virgin •Bisexual •Hetero Sex •Lycra/Spandex •Infectious •M •M/M •M/F •M/F/F •M/M/F

My roommate (complete) by LenZelig Bill’s hot adventures with his irresistible sex-god of a roommate, Andy Wang, and the others drawn into his adventures, combined with the stories of Andy’s son and his friends. (This revised and updated compilation version includes both “My Roommate” and “My Roommate: The Next Generation.”) 29 parts Added Jul 2002 Updated 19 Jun 2021 158k views 4.5 stars (25 votes) 223k words (#3) •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Age Difference •First Time/Virgin •Incest •Brothers •Father/Son •Bisexual •Hetero Sex •Dom/Sub •Witch/Warlock/Wizard •Gay Pride •Mind Control •Complete •M/M •M/M/M •M/M/M/...•t/t •M/t •M/F •M/M/F

Spice by Mr. X and Mad Dog In this epic story, the transformative powers of a certain substance are tested by a couple of very horny guys. 50 parts Added Oct 2009 Updated 9 Nov 2019 230k views 4.4 stars (61 votes) 221k words (#4) •Cock Growth •Huge Cock •Other Mental Changes •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle Theft •Muscle/Strength •Muscle Worship •Man Scent •Foot Growth •Gradual Change •Transformation •Voice Deepening •Getting Taller •Size Increase •Getting Hairy •Age Difference •Incest •Father/Son •Supernatural •Gay Pride •Alcohol •M/M •M/M/M

Transform: New Blood by Also Known As The formula Carlos developed, Transform, has made him and his friends into veritable gods. Soon their numbers will be growing, thanks in part to a video featuring a guy known only as Self-Suck Sam. 47 parts Added Jan 2014 44k views 4.2 stars (5 votes) 188k words (#5) •Always Hard •Cock Growth •Huge Cock •Self-suck •Multicock •Muscle Growth •Muscle/Strength •Muscle Worship •Man Scent •Increased Libido •Voice Deepening •Size Increase •First Time/Virgin •Infectious •Flying

I think... by EdIam Larry wants to think for Zack. 12 parts Added Apr 2021 Updated 13 Aug 2022 20k views 4.2 stars (11 votes) 151k words (#6) •Other Mental Changes •Straight to Gay •Muscle/Strength •Age Difference •Incest •Brothers •Twins •Dom/Sub •Humiliation •Hypnosis •Mind Control •M/M •M/M/M

Geno-type by Ziel While on a camping trip, Tyler makes a half-assed wish on a shooting star. Not only does he get his wish, but it begins to affect those around him as well. Maybe he should have been more specific? An ongoing saga of hyper growth and the weird social situations it results in. 34 parts Added Dec 2012 Updated 3 Feb 2016 103k views 4.3 stars (26 votes) 144k words (#7) •Cock Growth •Cockfucking •Huge Cock •Hyper Cock •Infectious •t/t •t/t/t

Transform by Also Known As Containing a secret is a hard thing to do. And the bigger the secret is, the harder it is to keep. No one was finding the truth of this more than those few men in charge at the Institute for Genetic Enhancement where the way has been found to transcend ordinary masculinity. The sequel to Supermen. 35 parts Added Oct 2002 57k views 5.0 stars (11 votes) 132k words (#8) •Cock Growth •Ball Growth •Huge Cock •Prehensile Cock •Multicock •Muscle Growth •Muscle/Strength •Muscle Worship •Voice Deepening •Hyper Pheromones •Infectious •Flying •M/M •M/M/M

All good things by Anon Amon After the discovery of an ancient artifact, life is changed forever for a group of college students who have bigger things to worry about than getting ready to start classes. 111 parts Added Feb 2017 Updated 29 Oct 2022 218k views 4.6 stars (144 votes) 132k words (#9) •Cock Growth •Cockfucking •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Nipple Emissions •Straight to Gay •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Giants •Size Increase •Incest •Brothers •Twins •Infectious •Pagan gods •Complete •M/M •M/M/M

Abyssus Abbey 2 by Pen Darke To protect himself from the devils who want to attack and change him, Tuco must enter the Abyss—little knowing what he will find there. 18 parts Added Feb 2021 Updated 23 Sep 2023 24k views 5.0 stars (79 votes) 132k words (#10) •Huge Cock •Hyper Cock •Prehensile Cock •Wings •Muscle/Strength •Anthro/Furry •Demons •Incubus/Succubus •Witch/Warlock/Wizard •Horror •Pagan gods •Supernatural •Complete •M/M •M/M/M/...

Above average by Ziel Alan starts out as just your average college boy. Then a strange, magical artifact comes into his life, and he starts becoming bigger… almost remembering the ways things were, when his muscles and cock weren’t, with each orgasm, more and more above average. As the effects spread, Alan knows he must understand what’s happing to him and his friends—and also that he must be the biggest, most muscular, most hypercocked stud of all. 28 parts Added Apr 2013 Updated 8 Dec 2018 277k views 4.6 stars (106 votes) 130k words (#11) •Cock Growth •Ball Growth •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Hyper Muscle •Muscle Growth •Muscle/Strength •Public Nudity •Butt Growth •Retcon •M/M •M/M/M •M/M/M/...

Side effects 2000 by Braun1 and Z Mike and Jan begin an odyssey of muscle, growth, transformation, sex, and love. 31 parts Added Jul 2002 39k views 4.8 stars (8 votes) 127k words (#12) •Always Hard •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Muscle Growth •Muscle/Strength •Muscle Worship •Size Increase •Infectious

Public relations by Maximilian When Jamie gets an out-of-the-blue invitation to meet up with a friend he’d fallen out of touch with, he doesn’t realize Adam has an ulterior motive—or that it involves an unwilling introduction to growth and magic. 18 parts Added Jun 2015 Updated 27 Apr 2019 67k views 4.8 stars (44 votes) 125k words (#13) •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle Gut •Muscle/Strength •Getting Taller •Giants •Plausible Size Difference •Size Decrease •Size Increase •Getting Hairy •Destruction/Violence •Restraints •Witch/Warlock/Wizard •Gay Pride •M/M

Abyssus Abbey by Pen Darke Welcome to Abyssus Abbey… a place where monks study and summon demons in an attempt to prevent the Apocalypse. The demons are in the walls, listening to your words, your thoughts, your desires, and if you fall prey to any of the Twelve Temptations, you may find yourself changed in ways you may not have expected. The Abbey has always drawn and doomed those who seek power and knowledge, and if you’re lucky, you might find something else there: a change in your outlook, a surprising ability, a friend where no friend was expected, and even romance. But all pleasures come with a price, and sooner or later the devil will have his due. Come in. Join the damned. 17 parts Added Feb 2020 Updated 16 May 2020 27k views 4.9 stars (70 votes) 125k words (#14) •Self-suck •Multicock •Straight to Gay •Muscle Growth •Muscle/Strength •Belly Growth •Transformation •Size Increase •Anthro/Scaly •Demons •Incubus/Succubus •Ogres •Satyrs •Witch/Warlock/Wizard •Fantasy Realm •Horror •Pagan gods •Supernatural •M/M •M/M/M

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

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 Added Feb 2021 Updated 10 Jul 2021 30k views 4.9 stars (56 votes) 119k words (#16) •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/...

One hot summer by BRK Brandon and Eddie enjoy working for their pot-loving boss, Mike, at the pizza place near campus and are bummed they can’t stick around for the summer, too. Mike offers them a possible solution, though he doesn’t let them in on all his plans for the coming summer. 54 parts Added Jun 2019 Updated 25 Jun 2022 70k views 4.9 stars (54 votes) 119k words (#17) •Always Hard •Cock Growth •Huge Cock •Self-suck •Replication •Other Mental Changes •Muscle Growth •Muscle/Strength •Always Shirtless •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Giants •Plausible Size Difference •Size Decrease •Size Increase •Getting Hairy •Incest •Brothers •Twins •Selfcest •Nonconsensual change •Body Swap •Shared Body •Fourth of July •Gay Pride •Complete •Cannabis •M •M/M •M/M/M •M/M/M/...

Jason’s big problem by Joven Teen athlete Jason unwittingly becomes part of a shady experiment to produce progressively larger cocks and balls that generate way too much cum. His playful and curious friends get drawn in, and when his cranky brother is roped in as well, having massive equipment becomes even more difficult. 49 parts Added Oct 2013 Updated 24 Nov 2017 207k views 4.5 stars (77 votes) 115k words (#18) •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers •t/t •t/t/t

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

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

Mariposa honeymoon: A six-pack story by Cris Kane Their flamboyant best-man Pierce gives strait-laced newlyweds Derek and Charles a mysterious six-pack to liven up their Cancun honeymoon. 19 parts Added Dec 2018 Updated 16 Feb 2019 20k views 4.6 stars (12 votes) 106k words (#22) •Cock Growth •Cock Shrinking •Huge Cock •Getting Dumber •Other Mental Changes •Muscle Growth •Muscle/Strength •Butt Growth •Belly Growth •Increased Libido •Size Decrease •Size Increase •Age Regression •Race/Ethnicity Change •Getting Hairy •Witch/Warlock/Wizard •M/M •M/M/M/...

90k+ 4

Justin (the bigger the better) by Giant Worshipper A young man starts growing, and growing. He finds he likes it a lot. 15 parts Added Nov 2009 426k views 4.4 stars (89 votes) 99k words (#23) •Cock Growth •Huge Cock •Hyper Cock •Straight to Gay •Hyper Strength •Muscle Breast •Muscle Growth •Muscle Gut •Muscle/Strength •Muscle Worship •Man Scent •Increased Libido •Getting Taller •Giants •Size Increase •First Time/Virgin

An unexpected inflation by UberPump A college athlete named Keith and his friends discover what it feels like to enlarge their cock and balls with the mysterious device Keith ordered off the dark web. When things go awry, however, their packages get huge. Keith and his friends go on a massive journey of cock growth, bloated balls, and near exploding junk as they inflate their man parts to their absolute limit. 41 parts Added Apr 2020 Updated 10 Jun 2023 124k views 4.9 stars (60 votes) 99k words (#24) •Cock Growth •Cock Pumping •Cockfucking •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Cum inflation •Cum Milking •Hyper Cum •Public Orgasm •Addiction •Straight to Gay •Hyper Muscle •Pec Fucking •Immobility •Muscle Growth •Muscle/Strength •Public Nudity •Increased Libido •Breast Expansion •Getting Handsomer •Voice Deepening •Getting Taller •Forced Growth •Size Increase •Inflation •App •Nanotech •Incest •Brothers •Bisexual •Hetero Sex •Nonconsensual change •Bodily Fluids •Dildos/Toys •Infectious •M/M •M/M/M •M/M/F

Augmentations by Also Known As Pursuing a fantasy, a successful man hires an erotic partner who’s been augmented, but the kinds of pleasures his new lover can share with him are far beyond anything he’d imagined. 18 parts Added Jan 2014 42k views 4.2 stars (10 votes) 99k words (#25) •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Man Scent •Getting Handsomer •Size Increase •Set in the Future

Second puberty by JayPat Finding out you’re a product of genetic engineering and about to go through your second puberty is shocking enough, but the unforeseen repercussions with school, family, and friends are what really change everything. 15 parts Added Sep 2012 79k views 4.8 stars (33 votes) 91k words (#26) •Cock Growth •Huge Cock •Hyper Strength •Muscle Growth •Muscle/Strength •Increased Libido •Size Increase •Bisexual •Destruction/Violence •Hyper Pheromones

80k+ 6

Centaurian by Rick Haydn Horst When an unusual man comes into the protection of Officer Liam Phillips, Liam doesn’t know what he’s in for. His world gets broadened and turned upside down in this adventure of love, sex, gods, a one-quarter equine, and a vacation he will never forget. 9 parts Added Nov 2021 Updated 11 Jun 2022 10k views 4.8 stars (20 votes) 89k words (#27) •Cock Growth •Huge Cock •Muscle Growth •Centaurs •Fantasy Realm •Pagan gods •Immortality •M/M

Bull’s strength by muscl4life On a quiet farm far from anywhere, an orphan named Joshua grows up so huge and strong that he’s bullied for being a freak. His aunt and uncle raise him with love and teach him to accept who he is, but Joshua yearns to be among men who don’t just accept his giant body, but love and admire his amazing size and power. 28 parts Added Jul 2018 Updated 6 Oct 2018 89k views 4.8 stars (45 votes) 88k words (#28) •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Multi-abs •Multicock •Muscle Growth •Muscle/Strength •Muscle Worship •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Age Difference •Bestiality •Incest •Father/Son •Destruction/Violence •Infectious •Flying •M/M •M/M/M •M/M/M/...

Tit hype by Writ Bro Between jobs? How about £5000 in three weeks to take part in medical trials? Who knows, you might even like the side effects. 19 parts Added Sep 2020 Updated 3 Dec 2022 37k views 4.7 stars (17 votes) 87k words (#29) •Cock Growth •Huge Cock •Nipple Emissions •Muscle Breast •Muscle Growth •Dom/Sub •Nonconsensual change •Restraints •Sex-Slave •Dildos/Toys •Complete •M/M •M/M/M

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

Hard body by Also Known As Uncannily attractive and hunky teenager John is sent to the latest in a string of health professionals over his unusual condition: he’s always horny, and it affects his body in a very unusual and highly provocative manner. 16 parts Added Oct 2016 Updated 6 Aug 2022 90k views 4.5 stars (103 votes) 83k words (#31) •Cock Growth •Huge Balls •Huge Cock •Prehensile Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Transformation •Size Increase •Dom/Sub •M/M •M/M/M

Transform: The college years by Also Known As The sexy teens affected by the Transform ability wreak even more havoc at college with their amazing and irresistible growth-at-will double-hung dream bods. 12 parts Added Jan 2014 22k views 4.8 stars (16 votes) 80k words (#33) •Cock Growth •Huge Cock •Multicock •Muscle Growth •Muscle/Strength •Muscle Worship •Man Scent •Size Increase •Infectious •Flying •M/M •M/M/M

70k+ 6

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

The orphanage by JayPat They told the orphans they were getting “vitamin shots”. What happened instead was a group of abandoned teens experiencing wild, sudden growth, one by one, and no one knew what would happen next. 12 parts Added Sep 2012 37k views 4.8 stars (17 votes) 78k words (#35) •Huge Cock •Hyper Strength •Muscle Growth •Muscle/Strength •Voice Deepening •Size Increase •Destruction/Violence

Supermen by Also Known As Todd agrees to be the first human subject for a muscle growth serum, little knowing how massive the effects would be, for himself and everyone else. 9 parts Added Oct 2002 88k views 4.1 stars (17 votes) 77k words (#36) •Cock Growth •Hyper Cock •Multicock •Muscle Growth •Muscle/Strength •Muscle Worship •Getting Handsomer •First Time/Virgin •Hyper Pheromones •Flying

Big changes by Ziel Troy’s rapidly growing hypercock is getting kind of embarrassing, especially as it’s caught the attention of a pair of obsessive and very uninhibited twins. 14 parts Added Dec 2013 Updated 31 Dec 2022 99k views 4.6 stars (27 votes) 74k words (#37) •Cock Growth •Huge Balls •Ball Growth •Hyper Cock •Hyper Cum •Incest •Twins •Dildos/Toys •Christmas •Easter •Gay Pride •Halloween •New Year’s Eve •Valentine’s Day •Stories with Images •M/M •M/M/M

Finding Owen by BRK Owen Banks witnessed Max finding his destiny up on the mountain, then realized he was changing, too. Was he like Max, or was something else awakening within him? He decided he was going to find out. 12 parts Added Aug 2019 Updated 11 Sep 2021 28k views 4.9 stars (19 votes) 73k words (#38) •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •Incest •Brothers •Destruction/Violence •Werebears •Werewolves •Supernatural •Complete •M/M •M/M/M

Resolutions by BRK Ray intercepts a seemingly magical book of fill-in-the-blank New Year’s resolutions his boss, Danny, had ordered, and starts making plans for improving Danny’s too-boring sex life. 13 parts Added Jan 2021 Updated 12 Feb 2022 37k views 4.9 stars (36 votes) 71k words (#40) •Cock Growth •Huge Balls •Huge Cock •Self-suck •Hyper Cum •Other Mental Changes •Hyper Muscle •Muscle Growth •Muscle/Strength •Increased Libido •Size Decrease •Size Increase •Tongue Growth •Retcon •Suggestion •Nonconsensual change •New Year’s Eve •Complete •M •M/M •M/M/M •M/M/M/...

60k+ 9

Changing Nick by BRK Nick’s computer starts offering him choices between one kind of transformation and another. He soon learns he’s been drawn into a strange conspiracy, even as the changes start to spread to friends, strangers, and secret allies. 18 parts Added May 2013 Updated 16 Jul 2022 115k views 4.7 stars (39 votes) 70k words (#41) •Always Hard •Cock Growth •Huge Cock •Nipcocks •Multi-abs •Multicock •Multihead •Lots of Legs •Multiarm •Multileg •Multilimb •Three Legs •Multipec •Multitorso •Replication •Stacking •Straight to Gay •Muscle Growth •Muscle/Strength •Always Shirtless •Increased Libido •Getting Handsomer •Getting Taller •Size Increase •Tongue Growth •App •Retcon •Selfcest •Nonconsensual change •Merging •Witch/Warlock/Wizard •Invisibility •M/M •M/M/M •M/M/M/...

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 Added Jul 2023 Updated 30 Sep 2023 12k views 4.7 stars (33 votes) 68k words (#42) •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/...

Love/shift by BRK Maxfield has very mixed feelings about leaving the city and all his tech behind to spend the summer after graduation halfway up a mountain in the family’s backwoods cabin—just him, his dad, and a whole lot of secrets. 11 parts Added Dec 2017 Updated 27 Apr 2019 44k views 4.8 stars (36 votes) 68k words (#43) •Muscle Growth •Muscle/Strength •Always Shirtless •Man Scent •Gradual Change •Transformation •Size Increase •Getting Hairy •Age Difference •Incest •Father/Son •Werebears •Supernatural •Complete •M/M

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 Added Nov 2021 Updated 18 Nov 2023 22k views 4.9 stars (27 votes) 67k words (#44) •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 •Getting Hairy •Age Difference •First Time/Virgin •Incest •Brothers •Father/Son •Anthro/Furry •Werebears •Werewolves •Supernatural •Shapeshifting •Complete •Alcohol •M/M

Mind and body by BRK Jack discovers that his knack for hypnosis is actually much more powerful than it should be. Naturally, he uses this to get the upper hand with his sexy jock brother, but that turns out to be a lot more complicated than he’d thought. 16 parts Added Jun 2012 Updated 28 Jul 2017 158k views 4.7 stars (103 votes) 66k words (#45) •Always Hard •Cock Growth •Huge Cock •Multicock •Straight to Gay •Muscle Growth •Muscle/Strength •Always Shirtless •Getting Taller •Size Increase •App •Suggestion •Incest •Brothers •Hypnosis •Mind Control •t/t •t/t/t •t/t/t...

Project William by Also Known As Horny teen Jackson encounters a guy who seems like he’s the god of sweet, muscular, carnal masculine hotness, and that means big changes for Jackson and his friends. 20 parts Added Oct 2002 34k views 4.6 stars (15 votes) 65k words (#46) •Cock Growth •Huge Cock •Public Orgasm •Muscle Growth •Muscle/Strength •Muscle Worship •Man Scent •Increased Libido •Getting Handsomer •Voice Deepening •Getting Taller •Immortality •t •t/t •t/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. 15 parts Added Jan 2022 Updated 4 Nov 2023 85k views 4.9 stars (201 votes) 61k words (#47) •Cock Growth •Huge Balls •Huge Cock •Straight to Gay •Muscle Growth •Butt Growth •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Size Increase •Getting Hairy •Suggestion •Hetero Sex •Dom/Sub •Nonconsensual change •M/M •M/F

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 Added Oct 2022 Updated 10 Dec 2022 33k views 4.6 stars (30 votes) 61k words (#48) •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

The house by Writ Bro When Harry gets an inheritance he could have never dreamed of, he quickly realises his life is about to change. But the true extent of the changes will truly blow his mind. 11 parts Added Jan 2023 Updated 21 Oct 2023 27k views 4.9 stars (44 votes) 60k words (#49) •Cum Milking •Nipple Emissions •Straight to Gay •Hyper Muscle •Muscle Breast •Muscle Growth •Muscle/Strength •Transformation •Size Increase •Dom/Sub •M •M/M •M/M/M •M/M/M/...

50k+ 18

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 Added Jan 2023 Updated 1 Apr 2023 16k views 4.6 stars (19 votes) 59k words (#50) •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 •Bodily Fluids •Hyper Pheromones •M/M •M/M/M •M/M/M/...

Sk8r dreams by Reaver The Maker is an app that gives you the ability to remake the world around you. That means a better house, a hotter body—and it definitely means turning a few guys in your life into happy, hunky skater bois. 19 parts Added Oct 2003 43k views 4.1 stars (19 votes) 59k words (#51) •Cock Growth •Ball Growth •Huge Cock •Replication •Always Shirtless •Increased Libido •Transformation •Voice Deepening •Age Regression •Race/Ethnicity Change •App •Retcon •Selfcest •Nonconsensual change •Infectious •Mind Control

The Body Builder by Greggrth Steve’s life is about to take a very strange turn when a supervillain called the Body Builder breaks into his lab and causes an accident. Will this be the origin story of a new hero’s rise to glory, or will it spell disaster for the heroes of the city when Super Dick causes all sorts of changes when he can’t control his not so little buddy… 16 parts Added Dec 2020 Updated 12 Aug 2023 67k views 4.9 stars (65 votes) 58k words (#52) •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Hyper Muscle •Immobility •Muscle Growth •Stretchy •Forced Growth •Size Increase •Lycra/Spandex •Rubber/Latex •Superhero/Supervillain •M/M •M/M/M

Think bigger by MaxMorphs Mild-mannered Kyle gains an unexpected power over his hunky friends after they all enjoy a magic show during a fateful vacation in Vegas. 24 parts Added Jun 2022 Updated 20 May 2023 95k views 4.9 stars (113 votes) 57k words (#53) •Cock Growth •Huge Cock •Hyper Cum •Getting Dumber •Straight to Gay •Immobility •Muscle Growth •Muscle Gut •Muscle/Strength •Getting Taller •Size Increase •Suggestion •Dom/Sub •Hypnosis •Complete •Stories with Images •M/M

Costumemania: The sticky super suits by Redouan Robin and Sven are two nerdy friends working at an office. They both love superheroes but are too invested in their office life to take the hobby further. But something is about to change this as they receive two costumes to wear for an upcoming event. 15 parts Added Aug 2020 Updated 22 Oct 2022 23k views 4.9 stars (13 votes) 57k words (#55) •Cock Growth •Gender Swap •Straight to Gay •Hyper Strength •Muscle Growth •Muscle Worship •Man Scent •Getting Taller •Size Increase •Dom/Sub •Nonconsensual change •Lycra/Spandex •Witch/Warlock/Wizard •Superhero/Supervillain •Flying •M/M •M/M/M

The need to obey by Musiker An enormously large, muscular man has only one thing he wants out of life: to be a good boy for his master. He is searching for a new master to take him in when he finds someone who is willing to give him a try-out, and who is not turned off by his enormous balls and knee-length caged cock. 10 parts Added May 2019 Updated 20 Nov 2021 36k views 4.8 stars (24 votes) 56k words (#56) •Cock Shrinking •Huge Balls •Huge Cock •Nipcocks •Nosecock •Multicock •Multiarm •Multilimb •Gender Swap •Other Mental Changes •Straight to Gay •Muscle/Strength •Crotchhead •Body Parts in Strange Places •Stretchy •Butt Growth •Belly Growth •Foot Growth •Getting Taller •Giants •Plausible Size Difference •Size Decrease •Size Increase •Getting Hairy •Hyper Tongue •Suggestion •Bisexual •Hetero Sex •Cock Cage •Dom/Sub •Sex-Slave •Rubber/Latex •Immortality •M/M •M/M/M

Growth school by Writ Bro Kit’s rebellion against his rich, inattentive father ends him up in a school for delinquents. Only, it’s not at all what Kit expects. 12 parts Added Jun 2018 Updated 11 May 2019 61k views 4.6 stars (23 votes) 56k words (#57) •Cock Growth •Huge Cock •Pec Fucking •Muscle Breast •Muscle Growth •Muscle/Strength •Dom/Sub •Restraints •Sex-Slave •Lycra/Spandex •M/M •M/M/M

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

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

The Ixlutani by Lloyd Irving Kyle Anderson set out with his best friend Ben Miller for one last hurrah, revisiting the woods behind their childhood homes and the mysterious cave they discovered there, before Kyle’s impending nuptials with his longtime girlfriend, Olivia. What neither man knew was that after that day neither their bodies nor their relationship would ever be the same. 9 parts Added Jun 2021 Updated 14 Aug 2021 20k views 4.9 stars (22 votes) 54k words (#60) •Cock Growth •Cut to Uncut •Cock Shrinking •Cock Theft •Huge Cock •Straight to Gay •Muscle Theft •Muscle/Strength •Increased Libido •Transformation •Getting Taller •Plausible Size Difference •Size Decrease •Size Increase •Bisexual •Hetero Sex •Supernatural •M/M •M/F

Project Cerulean MX by The Pecman After Michael and Joey discover a secret base in the desert, they start to undergo some changes that are both unsetting and exciting. 17 parts Added Jun 2010 Updated 5 May 2017 39k views 4.5 stars (12 votes) 54k words (#61) •Cut to Uncut •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Size Decrease •Size Increase •M/M

Red pills by MaxMorphs A struggling college student and part-time stripper is introduced to Red Pills, which are supposed to be the one dick-growth pills that actually work. He’s skeptical—at first. (Chapters 1-7 revised as of summer 2019.) 19 parts Added Jan 2017 Updated 27 Mar 2021 58k views 4.7 stars (21 votes) 54k words (#62) •Cock Growth •Huge Cock •Hyper Cock •Addiction •Hyper Muscle •Immobility •Muscle Growth •Muscle Gut •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •M/M •M/M/M

Nobody’s perfect by Also Known As A psychologist prepares himself to meet the subject whose response to the enhancement drug was so intense that just to be near him is to risk erotic overload… a man known only as Twenty-Five. 9 parts Added Feb 2022 Updated 8 Jul 2023 35k views 4.9 stars (32 votes) 54k words (#63) •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Increased Libido •Getting Handsomer •Transformation •Voice Deepening •Getting Taller •Plausible Size Difference •Size Increase •Hyper Pheromones •Infectious •Metabods 25 •M/M

Among us by BRK Nathan Yates is an ordinary boy who’s just graduated from high school and whose biggest concern in life in trying to figure out why the hottest guy in school is making passes at him. That is, until he’s thrown into a story he knows intimately from his favorite cult graphic novels, and becomes embroiled in a conflict that reaches across worlds and universes. 15 parts Added May 2017 Updated 27 Apr 2018 26k views 4.4 stars (17 votes) 52k words (#64) •Huge Cock •Muscle/Strength •Amputation •Human to Animal/Anthro •Aliens •Werewolves •Mind Control •t/t

Green legacy by JayPat Billy, the tough loner kid, has a secret ability to grow suddenly, hugely bigger. He decides to share his secret with Sam, and Sam has no idea why. 10 parts Added Oct 2012 29k views 4.2 stars (10 votes) 52k words (#65) •Muscle Growth •Muscle/Strength •Size Increase •Destruction/Violence •Sex-Slave

Sinfulfillment by EdIam Chester is an old pervert obsessed with his coworker’s husband, Jason. Unluckily for the intensely jealous Chester, Jason is madly and irrevocably in love with the coworker, Bryan. Luckily for Chester, there’s a mysterious entity willing to give him everything he wants…if he satisfies their mysterious needs. 8 parts Added Sep 2023 Updated 11 Nov 2023 4,814 views 3.9 stars (7 votes) 52k words (#66) •Other Mental Changes •Retcon •Age Difference •Humiliation •Nonconsensual change •Sex-Slave •M •M/M

Flashmob by BRK Jacob receives a strange camera that has an unexpected effect when he takes a picture of his hunky roommate, Keith, with whom he’s become increasingly smitten. 12 parts Added Mar 2015 Updated 30 May 2020 36k views 4.7 stars (43 votes) 50k words (#67) •Huge Cock •Multicock •Replication •Muscle Growth •Muscle/Strength •Always Shirtless •Getting Taller •Selfcest •M/M •M/M/M

Blessing or curse by Ultra GMan John has something a lot of guys would kill for a cock that gets bigger when you have certain kinds of sex. But that’s not all it’s cracked up to be—and the change isn’t always for the better. 18 parts Added Jan 2012 67k views 4.8 stars (26 votes) 50k words (#68) •Cock Growth •Huge Balls •Huge Cock •Self-suck •Muscle Growth •Dildos/Toys •M/M

40k+ 26

A new world order by Kowalski The archive was missing the bulk of this classic hetero muscle story, so I’ve restored the lost Parts for those who are interested. 28 parts Added Mar 2004 Updated 25 May 2016 33k views 3.0 stars (9 votes) 50k words (#69) •Muscle Growth •Muscle/Strength •Muscle Worship •Size Increase •Hetero Sex •M/F

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

Casey’s mancock by BRK Undersized college student Casey develops a sudden need for a cock just big enough for people to know it’s there. And between his own skills and his unwitting roommate’s, he knows just how to make it happen. 13 parts Added Jul 2022 Updated 25 Mar 2023 43k views 4.9 stars (77 votes) 48k words (#71) •Always Hard •Cock Growth •Huge Cock •Self-suck •Hyper Cum •Public Orgasm •Pec Fucking •Muscle Growth •Always Shirtless •Public Nudity •Increased Libido •Getting Handsomer •Gradual Change •Getting Taller •Forced Growth •Plausible Size Difference •Size Increase •App •Nonconsensual change •Hyper Pheromones •Infectious •Hypnosis •Mind Control •M/M •M/M/M •M/M/M/...

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

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

Genie world journey by Quick Master A human man named Nathan discovers a world of genies, oni, and other magical creatures on a quest to recreate the lost world of magic. 9 parts Added Nov 2021 Updated 4 Dec 2021 12k views 5.0 stars (1 vote) 48k words (#74) •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Public Orgasm •Multicock •Hyper Strength •Muscle Growth •Muscle/Strength •Muscle Worship •Transformation •Getting Taller •Giants •Plausible Size Difference •Size Increase •Human to Animal/Anthro •Race/Ethnicity Change •Shared Body •Anthro/Scaly •Mermen •Djin/Jinn/Genie •Ghosts •Orcs •Satyrs •Pagan gods •Supernatural •M/M •M/M/M •M/M/M/...

Bigger issues by muscl4life Thanks to Kyle, Sean discovered his serum works better than he expected… And now his freaking muscular lover each time is more intoxicated with his newly found POWER, and can such difference of muscular capacity make the couple apart? 6 parts Added Dec 2013 138k views 4.0 stars (23 votes) 47k words (#75) •Always Hard •Cock Growth •Huge Cock •Hyper Cock •Multi-abs •Straight to Gay •Muscle Growth •Muscle/Strength •Muscle Worship •Size Increase

Modern rites by red_king Matt’s life changes forever when he receives divine investiture from an old fertility god, fallen from the pantheon, in exchange for his devotion and cooperation in finding more followers. At first it sounded like work, but soon he’s having too much fun to care. 16 parts Added Dec 2018 Updated 4 Jun 2022 37k views 4.7 stars (38 votes) 47k words (#76) •Cock Growth •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Pec Fucking •Muscle Breast •Muscle Growth •Butt Growth •Getting Handsomer •Transformation •Plausible Size Difference •Size Increase •Destruction/Violence •Restraints •Pagan gods •Supernatural •Immortality •Hyper Anus •M/M •M/M/M

21-year-old scotch by Cris Kane On his 50th birthday, a closeted man enters a gay bar and is given a drink with an unexpected side effect. 9 parts Added Aug 2019 Updated 21 Sep 2019 9,872 views 4.7 stars (6 votes) 46k words (#77) •Huge Cock •Muscle/Strength •Age Regression •Time Travel •Witch/Warlock/Wizard •M/M •M/M/M

Tales from the dark city by Ogrebear A human cutpurse escapes his pursuers, finding safety in, of all places, an orc buck bar. You can figure out what happens next. 7 parts Added Jun 2005 26k views 4.9 stars (15 votes) 46k words (#78) •Cock Growth •Huge Cock •Cum inflation •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Pointy Ears •Transformation •Plausible Size Difference •Size Increase •Race/Ethnicity Change •Getting Hairy •Destruction/Violence •Dom/Sub •Humiliation •Restraints •Demons •Orcs •Fantasy Realm •Mind Control •M/M

The gifted child by JayPat Young psychologist Justin Conroy poses as a valet to profile Evan, as genius prodigy whom his father things might be a sociopath. Evan has his own plans for Justin—and for some illegal genome experiments he’s uncovered. 7 parts Added Oct 2012 52k views 4.5 stars (32 votes) 45k words (#79) •Huge Cock •Hyper Strength •Muscle Growth •Muscle/Strength •Sex-Slave

OmniGro by Whatinsomnia and Ziel Dissatisfied with the speed at which the current OTC dick growing serum works, Eli, a brilliant scientist in his own right, sets out to make his own super-powered serum. Eli wastes no time in breaking in the new concoction on himself and his boyfriend. The results speak for themselves and their new product revolutionizes the world as they know it. 3 parts Added Mar 2016 28k views 4.8 stars (9 votes) 45k words (#80) •Cock Growth •Cockfucking •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Nipple Emissions •Muscle Breast •Muscle Growth •Muscle/Strength •Butt Growth •Size Increase •M/M

The right blend by BRK In this sequel to “One Hot Summer,” Thad returns to Colorado, still in Zac’s upgraded, hyper-hung body. When he finds he’s no longer able to morph himself back into what he’s supposed to look like, his only hope is his sexy and capable second-in-command, Aleksei. 16 parts Added Mar 2023 Updated 2 Dec 2023 16k views 5.0 stars (8 votes) 44k words (#81) •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Multicock •Multiarm •Multilimb •Multipec •Multitongue •Replication •Stacking •Muscle Growth •Muscle/Strength •Always Shirtless •Pointy Ears •Increased Libido •Getting Handsomer •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Race/Ethnicity Change •Body Swap •Cannabis •M/M •M/M/M •M/M/M/...

The application by SuperWaffle A powerful story in which an anthro fox named Bradley learns that a body-morphing app is a wondrous, life-changing thing for himself and for new friends as well—if it doesn’t fall into the wrong hands, that is. 8 parts Added Apr 2015 48k views 4.9 stars (24 votes) 44k words (#82) •Muscle Growth •Muscle/Strength •Muscle Worship •Size Increase •Getting Hairy •App •Anthro/Furry •M/M

Hollyville by Tereshky The sleepy town of Hollyville, Alabama finds that strange things are happening to some of its people. It’s one man’s job to find out, but is he prepared for the mystery, suspense, and life-altering changes to come? Are you? 9 parts Added Nov 2019 Updated 8 Feb 2020 20k views 4.8 stars (21 votes) 44k words (#83) •Cock Growth •Huge Balls •Huge Cock •Prehensile Cock •Hyper Cum •Multi-abs •Multiarm •Multilimb •Multipec •Replication •Stacking •Wings •Muscle Growth •Muscle/Strength •Transformation •Size Increase •Selfcest •Tentacle •Horror •M/M

Acclimating by Dream Big Dealing with finding yourself unwillingly summoned into a fantasy-themed world as a fearsome, horned, and hung demon is, it turns out, mostly a matter of adjusting yourself to your new situation. 44 parts Added Mar 2020 Updated 19 Aug 2023 31k views 5.0 stars (30 votes) 43k words (#84) •Cock Growth •Huge Cock •Muscle/Strength •Pointy Ears •Transformation •Plausible Size Difference •Demons •Witch/Warlock/Wizard •Fantasy Realm •Shapeshifting •M/M •M/M/M

The G by Braun1 Working at the gym in a small town you get to admire the local muscle on the sly. But when someone comes along who’s muscled to the point of being inhuman, all bets are off. 6 parts Added Mar 2013 33k views 5.0 stars (23 votes) 43k words (#85) •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Hypnosis •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 Added Oct 2017 Updated 11 May 2018 26k views 4.5 stars (8 votes) 43k words (#86) •Cock Growth •Muscle Growth •Muscle/Strength •Gradual Change •Hyper Pheromones •Infectious •M/M

The swimming hole by JayPat When Matt laments the sadly unmuscled state of his young body, all he hears is that he has to put in the work. Only, his swimming buddy Jimmy seems to be getting muscles all on his own, and he’s not even hitting the gym… 8 parts Added Sep 2018 31k views 4.9 stars (13 votes) 43k words (#87) •Muscle Growth •Muscle/Strength •Giants •Size Increase •Destruction/Violence •Nonconsensual change •Complete •t/t

Twin studs by Anonymous 3 parts Added Jul 2014 18k views 4.1 stars (23 votes) 43k words (#88) •Huge Cock •Multicock •Multiarm •Multilimb •Age Difference •First Time/Virgin •Incest •Brothers •Father/Son •Twins

Be careful what you wish for by Tereshky “I can give you anything you wish for. Just don’t blame me if you weren’t specific enough.” A mystical man shows up to people in despair to offer the desires of their hearts, but he has a tendency to give them more than they wanted. So if a man in a gray suit comes up to you offering to give you anything you want, be careful what you wish for. 9 parts Added Feb 2020 Updated 19 Jun 2021 54k views 4.8 stars (18 votes) 42k words (#89) •Cock Growth •Huge Balls •Huge Cock •Straight to Gay •Immobility •Muscle Growth •Muscle/Strength •Age Regression •Nonconsensual change •M/M

Adventures of a selfsucker by willy8 Silas loves going down on his own big cock, and while the intense experience of autofellatio doesn’t help him with his girlfriend it does bring him closer to his handsome roommate Ben. 16 parts Added Jul 2015 Updated 28 Jul 2017 41k views 4.3 stars (22 votes) 42k words (#90) •Cock Growth •Huge Cock •Self-suck •Bisexual •Hetero Sex •M •M/M •M/F

Chuck, the size thief by spacevlad Chuck, a middling-sized construction worker who wishes he were bigger, finds a way to grow huge. 16 parts Added Jun 2017 Updated 22 Dec 2017 118k views 4.6 stars (30 votes) 42k words (#91) •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Getting Dumber •Other Mental Changes •Muscle Growth •Muscle Gut •Muscle Theft •Muscle/Strength •Belly Growth •Voice Deepening •Giants •Plausible Size Difference •Size Decrease •Size Increase •Getting Hairy •Getting Fatter •Inflation •Nanotech •Destruction/Violence •Nonconsensual change •Nonconsensual sex •Absorption •M/M

Matched pairs by Jerkoffcentral Peter becomes infected, not just with growth, but with a need for more strength and size. 14 parts Added Oct 2013 Updated 22 Jun 2016 62k views 4.7 stars (32 votes) 42k words (#92) •Cock Growth •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •First Time/Virgin •Incest •Brothers •Bisexual •Hetero Sex •M/M •M/M/F

Claves, the midnight marauder by Ziel Claves, the kingdom’s most notorious thief, has been cursed! What was meant as a means to entrap the thief and blow his cover forever backfires spectacularly as Claves ends up enjoying the curse. Now armed with a massive cock, the power to spread the curse to others, and an exhibitionist streak almost as long as his dong, Claves sets out to spread the curse and sow a little mischief and a lot of wild oats. 7 parts Added Jun 2013 Updated 3 Jan 2015 47k views 4.3 stars (28 votes) 41k words (#93) •Cock Growth •Hyper Cock •Cum inflation •Hyper Cum •Fantasy Realm •M/M

Shaming the boastful centaur by DracumSum Bill makes a joke, and a Greek goddess makes it real. 7 parts Added Oct 2022 Updated 21 Oct 2023 9,481 views 5.0 stars (12 votes) 41k words (#94) •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 •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

30k+ 43

No strings attached by muscl4life Donny walks in on his roommate, Sebastian, in the midst of his efforts to make himself bigger. 3 parts Added May 2014 52k views 4.5 stars (25 votes) 39k words (#95) •Cock Growth •Huge Cock •Hyper Cock •Cum inflation •Muscle Growth •Muscle/Strength •Size Increase •Incest •Brothers •Twins •Hypnosis •M/M

The Wizard of Hot by hyperboi A young man’s difficult life on a struggling Kansas farm takes a sudden turn when a cyclone appears, taking him and his brother far from home to another place altogether. 10 parts Added Apr 2021 Updated 31 Jul 2021 18k views 4.6 stars (16 votes) 39k words (#96) •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Multicock •Multiarm •Multileg •Multilimb •Three Legs •Muscle/Strength •Detachable •Giants •Plausible Size Difference •Size Increase •Incest •Brothers •Anthro/Furry •Witch/Warlock/Wizard •Fantasy Realm •Supernatural •M/M/M •t/t

Naked by Also Known As Dave’s new dorm roommate, Lance, is naked. Always, constantly, deliciously naked. He’s also, huge, hung, and constantly horny. But what really changes everything is the unexpected effect that Dave has on Lance—and what Lance does to Dave. 10 parts Added Jun 2016 50k views 4.6 stars (36 votes) 39k words (#97) •Cock Growth •Huge Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Public Nudity •Plausible Size Difference •Size Increase •M/M

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

U4ia gym by StevePwrBear The impressively-muscled owner of the gym Steve works out at is starting to take a personal interest in his progress. 10 parts Added Dec 2003 38k views 4.7 stars (3 votes) 39k words (#99) •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Muscle Growth •Muscle/Strength •Size Increase •Flying

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 Added Sep 2018 30k views 4.8 stars (13 votes) 39k words •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 •Getting Hairy •Getting Fatter •Destruction/Violence •M/M •M/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 Added Jun 2021 Updated 31 Jul 2021 30k views 4.9 stars (66 votes) 39k words •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle Gut •Muscle/Strength •Gradual Change •Plausible Size Difference •Complete •M/M

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

Centurion of light by Ravine Mountain A great new story in which a centurion, Marcus, and five of his best men are transformed by the god Mars—and charged with a mission. 12 parts Added May 2014 Updated 5 Jan 2019 56k views 4.9 stars (49 votes) 38k words •Cock Growth •Huge Cock •Hyper Cock •Nipcocks •Hyper Cum •Nipple Emissions •Multi-abs •Muscle Growth •Muscle/Strength •Voice Deepening •Size Increase •Incest •Twins •Demons •Pagan gods •Ancient Era •M/M •M/M/M •M/M/M/...

Skin tight by Dream Big Mark has big brains, but a big body? Not so much. So he decides to bend his gray matter toward a high-tech A.I.-assisted body suit that will help him achieve the kind of body he dreams about. 23 parts Added Apr 2019 Updated 3 Oct 2020 49k views 4.5 stars (42 votes) 38k words •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Hyper Tongue •A.I.-Controlled Change •Nanotech •Nonconsensual change •Hyper Pheromones •M/M

Twinning: The college years by BRK At college, Will attracts the attention of a sexy, Irish hockey player who pushes all Will’s buttons—but now that he’s in this new world Will isn’t sure he can share all of himself with his slowly growing admirer. 8 parts Added Mar 2017 Updated 9 Oct 2021 26k views 5.0 stars (11 votes) 37k words •Always Hard •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Extra digits •Multi-abs •Multicock •Multitongue •Replication •Muscle Growth •Muscle/Strength •Always Shirtless •Getting Taller •Size Increase •Tongue Growth •Selfcest •St. Patrick’s Day •M/M •M/M/M/...

Seth’s life changing adventure by Navy Alpha Pup Seth has settled into his post-corps life, or thinks he has—until he meets a fellow ex-Marine who offers him everything he didn’t know he wanted. 10 parts Added May 2019 Updated 14 May 2022 26k views 4.9 stars (22 votes) 37k words •Cock Growth •Cock Shrinking •Huge Balls •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Man Scent •Voice Deepening •Destruction/Violence •Dom/Sub •Humiliation •Sex-Slave •Bodily Fluids •Alcohol •M/M

First big date by Peterbilt Ben’s story of his relationship with young Jason covers many years, including getting the deets of Jason’s first big date. 3 parts Added Dec 2007 33k views 4.9 stars (22 votes) 37k words •Cock Growth •Huge Cock •Public Orgasm •Muscle/Strength •Age Difference •First Time/Virgin •M/M

The expedition by BRK An archaeologist and his research assistant, joined at the last minute by a jock desperate to boost his GPA, embark on a preliminary exploration of a mysterious Aegean island. 16 parts Added Jul 2021 Updated 1 Oct 2022 18k views 4.9 stars (16 votes) 37k words •Always Hard •Cock Growth •Huge Cock •Multicock •Multihead •Boytaur •Four Legs •Lots of Legs •Multiarm •Multileg •Multilimb •Three Legs •Multitongue •Replication •Stacking •Hyper Strength •Muscle Growth •Muscle/Strength •Always Shirtless •Increased Libido •Getting Taller •Giants •Plausible Size Difference •Size Decrease •Size Increase •Tongue Growth •Age Difference •Selfcest •Infectious •Merging •Shared Body •Centaurs •Pagan gods •M/M •M/M/M

Synthetic reality by brazboy Augusto messed up in an outing with his friends, and was dumped in a random Uber to find his way back home. He opens up during his ride home and the Uber driver feels sympathetic enough to offer the lad a try-out of this new app he is developing. When Augusto’s life goes back to normal on Monday, he just wants to forget what happened on Friday completely, and leave it behind him as fast as possible—but the stuff he did while drunk catches up to him and in fact to the whole world. 9 parts Added Aug 2021 Updated 4 Sep 2021 14k views 4.9 stars (9 votes) 36k words •Cockfucking •Huge Balls •Huge Cock •Hyper Cock •Cum Milking •Public Orgasm •Muscle Breast •Muscle/Strength •Muscle Worship •Public Nudity •Plausible Size Difference •App •Retcon •M/M •M/M/M

The salt by RdyRoger Trav gets his hands on some salts that cause all kinds of sexy growth and transformation. Using them on himself is great, but growing other people without their realizing it is even more fun. 9 parts Added Jun 2010 85k views 4.8 stars (21 votes) 36k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Increased Libido •Gradual Change •Getting Taller •Size Increase •Tongue Growth •Incest •Brothers

‘Mini’ge a trois by Ziel Rhys and his two buddies decide to experiment with a shrinking potion. It’s a long way down, but it’s sure to be one helluva ride. 11 parts Added Mar 2016 Updated 2 Jun 2017 19k views 4.6 stars (19 votes) 36k words •Size Decrease •M/M •M/M/M

The cum fairy by brazboy There are many mysteries under the sun, most of which will never be resolved—but a few can. Why do men always wake up hard? Why do they usually stop having wet dreams after a certain age? Why do some men snore, and others seem to drool in their sleep? The answer to all these questions is the cum fairy, a magical being which steals your nightly orgasms and gives you a small reward in exchange. 12 parts Added Nov 2022 Updated 17 Dec 2022 14k views 4.7 stars (22 votes) 35k words •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Muscle Growth •Muscle/Strength •Public Nudity •Increased Libido •Getting Taller •Plausible Size Difference •Size Increase •Incest •Brothers •Supernatural •Flying •Invisibility •Complete •M/M

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 Added Jun 2020 Updated 29 Jul 2023 17k views 5.0 stars (13 votes) 35k words •Gradual Change •Size Decrease •Nonconsensual change •Complete •M •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 Added Aug 2021 Updated 18 Sep 2021 20k views 4.8 stars (11 votes) 35k words •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

Tank the bouncer by spacevlad Bar owner Matt can only afford one bouncer for his bar, so he hires the biggest one he can find: Tank, an ex-college football player who is eager to grow even bigger. Matt has a way to make that happen, but after the first unexpectedly effective injection, the newly huge and strong Tank starts turning the tables on his boss. 18 parts Added Jun 2016 Updated 19 Aug 2016 64k views 4.0 stars (34 votes) 35k words •Straight to Gay •Muscle Growth •Muscle Gut •Muscle/Strength •Man Scent •Giants •Plausible Size Difference •Size Increase •Getting Fatter •Destruction/Violence •Nonconsensual change •Nonconsensual sex •M/M

Tim’s adventure by WordShop Tim finds romance becomes a little more complicated when muscle growth and hypermasculity is involved. 5 parts Added Jan 2018 Updated 23 Feb 2018 27k views 4.4 stars (14 votes) 35k words •Cock Growth •Huge Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Increased Libido •Gradual Change •Size Increase •Getting Hairy •First Time/Virgin •M/M

It was a dark night by InflatedMuscle Gym rat Dane has an encounter with an alien symbiote, complicating not only his own life but his friends’ as well. 5 parts Added Oct 2022 Updated 15 Oct 2022 13k views 4.8 stars (16 votes) 34k words •Addiction •Straight to Gay •Hyper Muscle •Muscle Growth •Muscle/Strength •Nonconsensual change •Aliens •Symbiotes •M/M

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 Added May 2023 Updated 30 Sep 2023 9,317 views 4.9 stars (16 votes) 34k words •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/...

Jolias and Max: The cock rings by Azerreza and Madmutter When Jolias ordered what he thought a simple sex toy for him and his boyfriend Max, just for fun, he had no clue that this ring had many more features and that it would change their lives… 5 parts Added Sep 2021 Updated 10 Jun 2023 22k views 4.6 stars (16 votes) 34k words •Cock Growth •Hyper Cum •Public Orgasm •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Muscle Worship •Increased Libido •App •Lycra/Spandex •Superhero/Supervillain •M/M

Ben’s escapades by Kaelan Ben undergoes medical treatment to make his genitals unusually huge, but is he ready for the dramatic changes that it’ll bring to the rest of his life? 9 parts Added Feb 2018 Updated 15 Jun 2018 59k views 4.7 stars (41 votes) 34k words •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Nipple Emissions •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers •M/M •M/M/M

The good freak by Also Known As Kevin Peters is a cheerful, very fit young man who happens to be getting bigger and hotter in every way, much to the bemusement (and secret arousal) of his doctor. Soon the guys around him are growing too, and Dr. Donaldson discovers even he’s not immune... 33 parts Added Nov 2002 49k views 4.9 stars (24 votes) 34k words •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Increase •Infectious •April Fool’s Day •M/M •M/M/M •t/t •t/t/t •M/t

Twelve steps back by FanTCMan Ian pursued working out as a way of chasing off his inner demons. Then he heard about a serum that seemed to make you not just bigger, but enhanced everything about you that was masculine and sexy. And if it made you horny too, well, that was fine by him. 9 parts Added Nov 2003 Updated 30 Mar 2018 33k views 4.8 stars (20 votes) 33k words •Cock Growth •Huge Balls •Huge Cock •Addiction •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Muscle Worship •Increased Libido •Getting Handsomer •M/M

Anomalous Materials Research Facility 3‑DL by Mad Dog and Gurak Working with exotic materials on a distant research space station is all in a day’s work for Carter, a theoretical physicist and the sole mundane human in a crew of sexy (and sex-loving) creatures straight out of a very dirty fantasy novel. But when you work with stuff that scoffs at the laws of physics, normality can’t remain unbent forever. 6 parts Added Sep 2019 Updated 21 Mar 2020 24k views 4.9 stars (28 votes) 32k words •Cock Growth •Huge Cock •Hyper Cock •Multicock •Multihead •Multilimb •Male Pregnancy •Transformation •Size Increase •Anthro/Furry •Centaurs •Demons •Orcs •M/M •M/M/M

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. 5 parts Added Jun 2023 Updated 4 Nov 2023 17k views 5.0 stars (26 votes) 32k words •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Self-suck •Public Orgasm •Muscle Growth •Always Shirtless •Public Nudity •Increased Libido •Gradual Change •Getting Taller •Hyper Pheromones •M •M/M

The gene gene by RdyRoger When other guys’ spunk transforms you into a totally different, much hotter guy, you learn there are lots of possibilities for fun—if you’re careful. 6 parts Added Oct 2011 64k views 4.6 stars (30 votes) 32k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Getting Handsomer •Size Increase •Race/Ethnicity Change

The shape of things to come by Mykkhal The growing intimacy between Tom and Harry is disrupted by the revelation that Harry isn’t who—or what—he appears to be. 13 parts Added Mar 2003 18k views 4.7 stars (10 votes) 32k words •Transformation •Aliens •Goo People •Space Travel •Shapeshifting •Set in the Future •M/M

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

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

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 Added Dec 2019 Updated 7 Mar 2020 32k views 4.7 stars (18 votes) 31k words •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

Metaboi by BRK There’s a special clothing store that caters especially to the meta boi. If you’re their kind of customer you already know it—or you’ll soon find out. 8 parts Added Jun 2010 Updated 24 Nov 2017 65k views 4.8 stars (17 votes) 31k words •Always Hard •Huge Cock •Hyper Cum •Multi-abs •Multicock •Multihead •Multiarm •Multilimb •Multipec •Multitongue •Replication •Stacking •Muscle Growth •Getting Taller •Plausible Size Difference •Retcon •Selfcest •Body Swap •Merging •Thanksgiving •M/M •M/M/M

Dick note by Thorn Waking up from an odd dream, Forest awakens to find something is in his backpack. 6 parts Added Jan 2021 Updated 5 Jun 2021 23k views 5.0 stars (24 votes) 31k words •Cock Growth •Huge Cock •M/M

Touch by BRK Kevin goes to college where his gift for making guys he likes willing to casually touch him seems to intensify just as he’s moving in with his hunky older brother. 5 parts Added Mar 2019 Updated 10 Aug 2019 24k views 4.8 stars (36 votes) 31k words •Huge Cock •Other Mental Changes •Muscle/Strength •Always Shirtless •Incest •Brothers •Complete •M/M •M/M/M

Pictures of Dorian’s gays by John Kevin goes to the gym partly to scope out Michael, the biggest and best built guy working out in the whole club. The owner picks up on Kevin's lust, and offers a chance for him to pursue his own muscle dreams. 7 parts Added Apr 2003 15k views 4.0 stars (4 votes) 31k words •Muscle Growth •Muscle/Strength

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

Cadence by BRK Lucius, an ex-ancient Roman whose peculiar curse involves the beauty of the men around him, suddenly finds that everything he thought he knew about his uncontrollable abilities has changed when he's discovered by a trooper one night sleeping in his car on a lonely stretch of Midwestern highway. 6 parts Added Nov 2016 Updated 16 Mar 2019 21k views 4.6 stars (14 votes) 31k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Getting Taller •Plausible Size Difference •Size Increase •Destruction/Violence •Witch/Warlock/Wizard •Pagan gods •Immortality •Ancient Era •M/M

A.I. by Corwin Tim’s homemade A.I. software decides to help him get huge. 11 parts Added Dec 2013 74k views 4.8 stars (44 votes) 31k words •Huge Cock •Cum Milking •Addiction •Hyper Muscle •Muscle Growth •Muscle/Strength •Muscle Worship •Gradual Change •Plausible Size Difference •Size Increase •A.I.-Controlled Change •Destruction/Violence •Restraints •Androids/Cyborgs •Complete •M/M

The journal by Braun1 An ordinary college guy finds himself changing after a steamy encounter with a hunk named Brad, and decides to start documenting everything that’s happening to him. 11 parts Added Feb 2003 29k views 4.8 stars (14 votes) 30k words •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Getting Hairy •Infectious •M/M

20k+ 95

Irresistible by Jefftaur and Mr Arbitrary Brandon has a thus-far unrequited crush on his friend Ethan. A wish gives him the chance to push things forward, but the results aren't what he expected! 8 parts Added Feb 2019 6,887 views 5.0 stars (9 votes) 30k words •Wristfeet •Djin/Jinn/Genie

The cyclist by Corwin That jogger Scott started noticing on his bike runs has been getting hotter and more muscled. After getting to know each another on the trail Mark decides to share his secret. 11 parts Added Dec 2013 30k views 4.8 stars (12 votes) 30k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •M/M

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

The box by BRK Steve gets a box of clothes from his mysterious and beautiful brother, Peter, and it turns out the clothes have an amazing effect on his already unusual body. 8 parts Added Dec 2002 Updated 7 Sep 2019 29k views 5.0 stars (13 votes) 30k words •Cock Growth •Huge Cock •Public Orgasm •Extra digits •Multicock •Multihead •Four Legs •Multiarm •Multileg •Multilimb •Replication •Muscle Growth •Stretchy •Getting Handsomer •Getting Taller •First Time/Virgin •Incest •Brothers •Selfcest •Witch/Warlock/Wizard •M/M •M/M/M •M/M/M/...

An unexpected side trip by votdat Tyler was ferrying a small airplane between Australia and Hawaii. Problems with the plane caused him to make an unscheduled stop on a small island, launching a series of events he certainly wasn’t expecting. 6 parts Added Apr 2020 Updated 26 Jun 2021 6,506 views 4.4 stars (14 votes) 30k words •Huge Cock •Hyper Strength •Muscle/Strength •First Time/Virgin •Destruction/Violence •Nonconsensual change •M/M

A real man by DoubleCream A douchey gym bro wakes up in another world, in another body. 6 parts Added Jan 2021 Updated 4 Mar 2023 36k views 4.8 stars (57 votes) 30k words •Cock Shrinking •Huge Balls •Huge Cock •Addiction •Straight to Gay •Muscle/Strength •Muscle Worship •Man Scent •Increased Libido •Male Pregnancy •Plausible Size Difference •Size Decrease •Hairless •First Time/Virgin •Cock Cage •Dom/Sub •Nonconsensual change •Hyper Pheromones •Mind Control •M/M

The hulk pill by JayPat The only thing weirder than your buddy Boz offering you a “hulk pill” would be for it to actually work. 5 parts Added Oct 2012 96k views 4.7 stars (29 votes) 29k words •Cock Growth •Huge Cock •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Size Increase •Nanotech •Destruction/Violence •Infectious •Complete •t/t

Bali encounter by LenZelig On a trip to Bali, a happily married couple, Pete and Lori, encounter a pair of irresistibly beautiful muscle twins named Wayan and Kadek, and then their family and friends… and things become deliciously complicated. 2 parts Added Nov 2017 Updated 8 Dec 2017 15k views 5.0 stars (10 votes) 29k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •First Time/Virgin •Incest •Brothers •Twins •Bisexual •Hetero Sex •Dom/Sub •M/M •M/M/M •M/F •M/M/F

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

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

Summer research by spacevlad Dave, an ambitious researcher at a well-known university, hires an eager-to-grow football player to test an experimental growth supplement. The experimental growth supplement works much better than anticipated and Grunt gains over 50 pounds in just a week, though with some troubling side-effects. 12 parts Added Oct 2017 Updated 22 Dec 2017 54k views 4.8 stars (29 votes) 29k words •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Getting Dumber •Other Mental Changes •Straight to Gay •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle Gut •Muscle/Strength •Man Scent •Belly Growth •Getting Taller •Giants •Plausible Size Difference •Size Increase •Getting Hairy •Destruction/Violence •Sex-Slave •Fourth of July •M/M

Eggmen chronicles by brazboy 2122, eighty years after the anti-AI law, sixty years after the GMHs (genetically modified humans) became officially allowed. The human species counts 21 billion people living in three planets, but only about one in three are from traditional genetic lineages—more and more GMH have been created to fill the gap between supply and demand following the fertility crisis and the ever-growing need of populational expansion for labor and consumption. These new humans are just like the rest of us—except when they aren’t 10 parts Added Dec 2021 Updated 29 Jan 2022 12k views 4.5 stars (2 votes) 29k words •Cock Growth •Huge Cock •Hyper Cock •Nipcocks •Hyper Cum •Pec Fucking •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Set in the Future •M/M

Sean goes to prison by Joven After an ill-advised flirtation with vandalism, Sean ends up at a very strange detention center where you’re either milking the other prisoners with the oversized balls, or… you’re one of the ones being milked. 18 parts Added Aug 2017 Updated 18 Dec 2021 53k views 4.7 stars (43 votes) 28k words •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Cum Milking •Straight to Gay •Muscle Growth •Size Increase •Nonconsensual change •Restraints •M/M •M/M/M/...

The Zeke chronicles by Sean Reid Scott Zeke, an 18 year-old gorgeous stud, was already big before some very special visitors seem to have given him a special ability to grow and grow, bigger and bigger, stronger and stronger. 7 parts Added Jul 2013 Updated 19 May 2017 49k views 4.4 stars (19 votes) 28k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Getting Taller •Age Difference •Incest •Father/Son •Dom/Sub •M/M •M/M/M

The bunker by JayPat Fleeing some bullies, three teens hide in a secret abandoned bunker hidden in the Arizona wilds where they find some antiquated computer equipment that they really should’ve left alone. 5 parts Added Nov 2018 19k views 4.4 stars (22 votes) 28k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •M/M •t/t •M/t

Last resort by Also Known As Our narrator finds himself whisked off to a mysterious resort where everything seems perfectly designed to cater to his every fantasy—especially the all-male staff. But reality keeps changing around him, and he has no idea how or why. 8 parts Added Jan 2014 22k views 4.6 stars (17 votes) 28k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •M/M

The transform center by Zboro Seb gets ahold of a business card for a strange place called Transform Center, after hearing a stranger at the gym talk about how big he’d gotten. Can it be for real? And what was all that about fantasy creatures? 7 parts Added Jul 2017 Updated 29 Sep 2017 24k views 4.5 stars (11 votes) 28k words •Huge Cock •Hyper Cock •Multi-balls •Multicock •Multiarm •Multilimb •Six Legs •Replication •Wings •Muscle/Strength •Transformation •Voice Deepening •Human to Animal/Anthro •Selfcest •Anthro/Scaly •Dragons •Flying •M/M

Raiders basketball by VanderAnder Trying out for the school basketball team involves more than being really good at basketball. 24 parts Added Apr 2013 32k views 4.8 stars (19 votes) 27k words •Cock Growth •Huge Cock •Self-suck •Bisexual •Hetero Sex

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

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

The Festival of Haasenpfaap by S. Q. Neemie Wes’s roommate Zeb ropes him into celebrating his family’s yearly autumn festival of Haasenpfaap. When Wes is inadvertently chosen as this season’s Haasenpfaapeer, Zeb and Wes have to figure out how to reverse the changes Wes experiences. 5 parts Added Dec 2022 Updated 24 Dec 2022 6,108 views 4.9 stars (25 votes) 27k words •Cock Body •Hyper Cum •Nipple Emissions •Multicock •Muscle Breast •Muscle Growth •Gradual Change •Getting Taller •Complete •M/M

Tank by Corwin A star alpha male has to take back his gym from a bully, except the only way is to grow himself bigger than the already monstrous interloper. 8 parts Added May 2014 31k views 4.7 stars (6 votes) 27k words •Huge Cock •Muscle Growth •Muscle Theft •Muscle/Strength •Bisexual

Nightmare at the Pump House Gym by UberPump A bodybuilder encounters a strange man at the local gym who forces him to experience his deepest desires first-hand. The growth is intoxicating, but there’s a price to pay he doesn’t see coming. 7 parts Added Oct 2020 Updated 8 Jul 2023 40k views 4.8 stars (16 votes) 27k words •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Public Orgasm •Hyper Muscle •Pec Fucking •Immobility •Muscle Growth •Muscle/Strength •Forced Growth •Halloween •M •M/M •M/M/M •M/F

CAFE blues by JayPat Five-foot-nothing Colin dreams of getting bigger. Then he meets muscle-stud Charles’s dazzling brother Sky and all of his fantasies intensify, leading to his seeking out the secrets of height and muscle growth. 5 parts Added Aug 2019 Updated 24 Aug 2019 16k views 4.2 stars (9 votes) 26k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •t/t •t/t/t

Musclove, Texas by Max Mann Moving to Musclove, Texas with his sons to take up a new teaching position, Rick Long is startled to find a town full of huge, hung, and horny men, all of them eager to have the newcomers join them (in more ways than one). 9 parts Added Sep 2004 72k views 4.8 stars (50 votes) 26k words •Cock Growth •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Age Difference •First Time/Virgin •Incest •Brothers •Father/Son •Twins •Restraints

The Mann Agency by Also Known As Need a handyman? Someone to scrub your pool or clean your windows or fix a squeaky door? The Mann Agency and its specially trained agents are at your service. 3 parts Added Oct 2021 Updated 23 Apr 2022 15k views 4.8 stars (13 votes) 26k words •Cock Growth •Huge Cock •Nipple Emissions •Pec Fucking •Muscle Breast •Muscle Growth •Muscle/Strength •Increased Libido •Getting Taller •M/M •M/M/M

Superstud and Macromale: The Sword of Justice by brazboy Macromale, your ordinary neighborhood hero, hears a villain called Manhunter wants to steal the Sword of Justice, except no one is aware of what exactly that is. 6 parts Added Jul 2022 Updated 13 Aug 2022 10k views 4.9 stars (12 votes) 26k words •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Public Orgasm •Hyper Muscle •Hyper Strength •Muscle Growth •Getting Taller •Plausible Size Difference •Size Increase •Superhero/Supervillain •M/M

The Arsenal of Secrets by BRK Griffin, tired of being smaller than his farm-brute brothers, stumbles backwards into a way to make himself more like what he wants to be: big and strong enough to catch the eye of a beautiful, bashful, broad-shouldered apprentice blacksmith named Wass. 10 parts Added Aug 2020 9,505 views 4.9 stars (11 votes) 26k words •Cock Growth •Huge Cock •Multi-abs •Multiarm •Multilimb •Muscle Growth •Transformation •Getting Taller •Size Increase •Fantasy Realm •Complete •M/M

The simulated universe by Thorn A group of men play a new board game that can simulate a “universe” where they play as trailblazers and are granted boons, which could lead to a few…enhancements. 6 parts Added Jul 2023 Updated 19 Aug 2023 11k views 4.9 stars (25 votes) 26k words •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Muscle Breast •Muscle Growth •Voluptuous Men •Butt Growth •Belly Growth •Increased Libido •Foot Growth •Gradual Change •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •Inflation •Age Difference •Father/Son •M/M/M

Onion Hill Manor by William Allen Unremarkable twenty-something gets a new job working at a strange mansion alongside a team of beefy, muscle hunks. 5 parts Added Oct 2017 Updated 8 Dec 2017 25k views 4.9 stars (17 votes) 26k words •Cock Growth •Huge Cock •Hyper Cock •Multiarm •Multileg •Multilimb •Straight to Gay •Immobility •Muscle Growth •Muscle/Strength •Getting Handsomer •Transformation •Giants •Size Decrease •Size Increase •M/M •M/M/M

The chronicles of Besar Otot by OneLuckyGuy89 On a distant unknown island near Indonesia called Besar Otot, Kenny Masters returns home a new man and intends to change his family as well. 8 parts Added Jan 2020 Updated 8 May 2021 20k views 4.0 stars (3 votes) 26k words •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Multicock •Gender Swap •Straight to Gay •Muscle Growth •Muscle/Strength •Transformation •Getting Taller •Plausible Size Difference •Size Increase •Age Progression •Getting Hairy •Age Difference •Incest •Brothers •Father/Son •Nonconsensual change •Hyper Pheromones

Fred’s odyssey by RdyRoger After saving the life of a magic-user on a tropical beach, skinny Fred suddenly finds his dreams of size and endowment coming true—not only for him but for his friends, too. 6 parts Added Jul 2002 34k views 4.8 stars (12 votes) 25k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •M/M

Enhanced muscle and futuristic porn by Marquis de Rent In a futuristic space convoy, a young doctor builds his career on groundbreaking male enhancements. 5 parts Added Sep 2016 Updated 30 Sep 2016 33k views 4.4 stars (28 votes) 25k words •Cock Growth •Huge Cock •Hyper Cock •Female to Male •Immobility •Muscle Growth •Muscle/Strength •Transformation •Plausible Size Difference •Size Increase •Nanotech •Space Travel •Set in the Future •M/M •M/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 Added Aug 2020 24k views 4.3 stars (7 votes) 25k words •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 •Getting Hairy •Hairless •Nonconsensual change •Hyper Pheromones •M •M/M •M/M/M/...•M/F

The prince, the knight, and the dragon by brazboy Years ago a curse was created, connecting the fate of the Northern Empire and that of the Southern Kingdom, but also the fates of the Empire’s first Prince, Alecrias, and that of a Dragon which appeared in the southern mountains and seems to behave in ways that benefit the Southern Kingdom. Can his loyal knight and lover, Sir Oberion, save the Prince from being sacrificed to the Dragon? Can the curse be lifted, and what is its true nature? 8 parts Added Oct 2021 Updated 6 Nov 2021 7,154 views 4.5 stars (2 votes) 25k words •Huge Balls •Huge Cock •Self-suck •Hyper Cum •Multi-abs •Hyper Muscle •Immobility •Muscle Growth •Butt Growth •Getting Taller •Size Increase •Tongue Growth •Fantasy Realm •Shapeshifting •M/M

The transition transaction by Taur Reg Ben wants to change his body, but he may get more than he bargained for. 10 parts Added Aug 2013 13k views 5.0 stars (3 votes) 25k words •Transformation •Centaurs •Witch/Warlock/Wizard •M/M

The last month by Michverdun After a chance encounter in the forest, the youngest son of a monster-hunting family struggles with his last month being human. 4 parts Added Sep 2023 Updated 28 Oct 2023 8,693 views 4.9 stars (49 votes) 25k words •Hyper Muscle •Muscle Growth •Muscle/Strength •Muscle Worship •Getting Hairy •Werewolves •Urban Fantasy •Supernatural •Complete •M •M/M

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 Added Mar 2020 Updated 18 Apr 2020 11k views 4.8 stars (9 votes) 25k words •Muscle Growth •Muscle/Strength •Gradual Change •A.I.-Controlled Change •Set during the Pandemic •M/M

A different kind of closeness by Salem Noctua When Liam found a suspicious e-mail that led him to an even more suspicious website, he didn’t know how to react... until he got to know the “special changes” that came with the site’s product. And who else would he test it with other than his best friend and roommate? 2 parts Added Jul 2022 3,872 views 4.8 stars (34 votes) 25k words •Multicock •Multihead •Multitorso •Nonconsensual change •Merging •Shared Body •Complete •M/M

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

Max’s wish by Bulge101 Scrawny Max uses his wish-power to make himself worthy of the extremely hot bully he has a crush on, but his friend Bobby deserves his help, too, and soon lots of changes start happening at school and at home. 11 parts Added Aug 2011 Updated 2 Nov 2011 308k views 4.6 stars (80 votes) 25k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Infectious •M/M •M/M/M

Acting out by Cris Kane A straight actor preparing to audition for a gay role receives help getting into character from his gay friend and a couple of magic rings, but their mind-altering effects lead to unexpected outcomes for Quinn and Damon alike. 3 parts Added Aug 2014 32k views 4.6 stars (18 votes) 25k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •M/M

John the wizard by RdyRoger John is a wizard and likes helping out his friends—usually in ways that involve none-too-subtle increases in height, equipment size, and muscle. 7 parts Added Dec 2017 Updated 7 Sep 2019 41k views 4.5 stars (22 votes) 24k words •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Foot Growth •Getting Handsomer •Gradual Change •Getting Taller •Size Increase •Getting Hairy •Suggestion •Witch/Warlock/Wizard •M/M

Shadow and flame by BRK As a jinn, I am used to being in control, master not only of all the elemental powers of the earth but of my own fate as well. And I was—until the night I was tricked and ensnared by an ambitious young nobleman too beautiful for even me to resist. 7 parts Added Apr 2018 Updated 22 Feb 2020 15k views 4.7 stars (19 votes) 24k words •Cock Growth •Huge Cock •Djin/Jinn/Genie •Pagan gods •Supernatural •Ancient Era •Early/Mid 20th Century •M/M

The cock mage by CockTFBoi Galen is a cock mage, someone who can use the magic of cum to transform himself and those around him, at least for a little while. He uses his magic mostly to make his hookups more exciting, but when he wakes up one morning and someone has been making far-reaching changes he feels the need to get involved and figure out what is going on. 6 parts Added Feb 2022 Updated 7 May 2022 9,068 views 4.8 stars (14 votes) 24k words •Cock Shrinking •Cock Theft •Straight to Gay •Always Shirtless •Man Scent •Increased Libido •Transformation •Nonconsensual change •M/M

Ice ice baby by David A well-hung rap star has an encounter with a couple of very devoted fans. 7 parts Added May 1997 31k views 4.2 stars (6 votes) 24k words •Cock Growth •Cock Pumping •Huge Cock •Hyper Cock •First Time/Virgin •M/M •M/M/M •M/M/M/...

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 Added Jun 2019 Updated 27 Jul 2019 30k views 3.8 stars (19 votes) 24k words •Cock Growth •Cock Shrinking •Cockless •Huge Balls •Huge Cock •Hyper Cum •Getting Dumber •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •Dom/Sub •Humiliation •Nonconsensual change •Sex-Slave •Bodily Fluids •Anthro/Furry •Mind Control •Hyper Anus •M/M •M/M/M

Eustace conquers the world by JayPat Eustace, always the victim, decides to bulk up to avoid getting beaten up. At first he tries working out, but then he uses his smarts to create ways to boost muscle growth. It soon becomes apparent these are much more effective than anticipated. 3 parts Added Mar 2019 23k views 4.6 stars (14 votes) 24k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Giants •Size Increase •Destruction/Violence •Dom/Sub •M/M

Grow lamp 2: Peter principle by Dream Big Peter Chang, now taller, thickly muscled, and prodigiously hung thanks to Jeremy and Tom’s impossible grow lamp, now must get used to the attention his new body draws… and the unexpected after-effects of his exposure to the lamp’s mysterious growth magic. 15 parts Added Jul 2018 Updated 3 Nov 2018 28k views 4.5 stars (18 votes) 24k words •Cock Growth •Huge Cock •Muscle/Strength •Getting Taller •Hyper Pheromones •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 Added Sep 2022 Updated 8 Oct 2022 13k views 5.0 stars (77 votes) 24k words •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 Black Knights: Coming home by Meddler Incs When an ex-football player, now a local newspaper reporter, investigates The Black Knights, he gets more than he bargained for. 14 parts Added Oct 2018 Updated 21 Dec 2019 21k views 4.9 stars (15 votes) 24k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Nonconsensual change •Aliens •Symbiotes •M/M •M/M/M

5D Super User: Brandon by pkak2k12 Brandon finds out he has an unexpected gift the second he becomes 18. 11 parts Added Jan 2023 Updated 18 Mar 2023 28k views 4.9 stars (67 votes) 23k words •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

Starting over: A coming of age story by Mad Dog and Gurak An older, oversized but closeted man finds new meaning to his life through the admiration of a younger fella. 3 parts Added Aug 2021 Updated 2 Oct 2021 8,654 views 4.9 stars (7 votes) 23k words •Muscle Gut •Muscle/Strength •Plausible Size Difference •Age Difference •Seniors •M/M

Click bate by Dream Big Andy didn’t remember ordering this weird butt and cock pleasuring equipment, but, hey, it looked like it might be fun to play with… 26 parts Added Nov 2020 Updated 5 Mar 2022 28k views 4.9 stars (34 votes) 23k words •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Other Mental Changes •Increased Libido •Transformation •A.I.-Controlled Change •Dildos/Toys •Merging •Set during the Pandemic •M/M •M/M/M/...

Alpha product series by Chet Boner 19-year-old Trent accepts a free trial product series called “Alpha Product” in exchange for his feedback. He receives the first product very quickly, but doesn’t know how many people would be affected and grow as a result of this choice! 19 parts Added May 2017 Updated 11 May 2019 87k views 4.3 stars (43 votes) 23k words •Cock Growth •Huge Balls •Hyper Cum •Nipple Emissions •Muscle Growth •Muscle/Strength •Age Difference •Incest •Brothers •Father/Son •Stories with Images •M/M •M/M/M

The hulk pill: Contagion 2 by Azerreza Having just been beaten up by his usual bully, Matt thought that this day couldn’t have started any worse. Especially since he had to meet his buddies, David and Ben at the mall. But he had absolutely no idea that this day would change everything and that, on the contrary, it would be the best day of his life... 6 parts Added Jan 2023 Updated 4 Feb 2023 8,797 views 4.8 stars (6 votes) 23k words •Hyper Cum •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Increased Libido •Voice Deepening •Size Increase •Nanotech •Destruction/Violence •Infectious •t/t

Mysterious kidnapping by Joven Jared and Derek are traveling abroad when they’re suddenly kidnapped and secreted away in an isolated room… naked. They naturally become aware of each other’s junk, though Derek isn’t too pleased by Jared’s attention. But the situation with their equipment only gets more intense… 13 parts Added Feb 2018 Updated 13 Apr 2018 29k views 5.0 stars (20 votes) 23k words •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Butt Growth •M/M

Joined by BRK Dylan wakes up kissing an incredibly beautiful man he’s never met before, and finds that he’s more connected to this man than any lover he’s ever had. 5 parts Added Sep 2017 Updated 6 Feb 2021 18k views 4.9 stars (30 votes) 23k words •Cock Growth •Huge Cock •Extra digits •Multicock •Multihead •Multitongue •Multitorso •Replication •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Selfcest •Nonconsensual change •Merging •M/M •M/M/M

The Muscles Tech Hotel by TonnyGiant Deciding to take a vacation, Luke happens across a listing for a hotel where the employees and the guests all seem to be gorgeous muscle giants. He registers immediately, wanting to be among men like that, but secretly yearning even more desperately to be just like them. 6 parts Added Nov 2017 Updated 8 Dec 2017 21k views 4.5 stars (13 votes) 23k words •Huge Cock •Muscle Growth •Muscle/Strength •Giants •Plausible Size Difference •Size Increase •M/M •M/M/M

Making the rules by EdIam Frank likes structure and rules in his home. Desmond likes corrupting families. Whatever could happen when the two meet? 2 parts Added Sep 2021 Updated 11 Sep 2021 7,936 views 3.8 stars (5 votes) 23k words •Other Mental Changes •Straight to Gay •Man Scent •Incest •Brothers •Father/Son •Humiliation •Nonconsensual change •Sex-Slave •Hyper Pheromones •Hypnosis •Mind Control •M/M •M/M/M

The brothers by FanTCMan Cory Callahan and his three sibs participate in a secret program, resulting in more muscles, body hair, cock size, and horniness. 8 parts Added Mar 2003 113k views 4.8 stars (94 votes) 23k words •Always Hard •Cock Growth •Huge Cock •Addiction •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Getting Hairy •Incest •Brothers •t/t •M/t

Amplifications by Also Known As I did not start out this way, the way I am now, the way you know me, the way you see me. Of course I didn’t. No one could. No one could look like me, do the things that I can do, be this perfect instrument of pure sexual power without…a little help. 5 parts Added Jan 2014 25k views 4.2 stars (6 votes) 23k words •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase

The Christmas ghost of FitzHardinge Manor by BRK A sometimes dark tale of a young man consigned to the guardianship of witches, only to be turned by a sex-starved, secrecy-obsessed sorcerer-suitor into a being unheard and unseen, capable of sharing the pleasure of touch, but bound to a single day of the year; and how from these ashes he rises to find what he can become in this new life that has been forced upon him. 3 parts Added Dec 2017 Updated 22 Dec 2018 15k views 4.9 stars (17 votes) 22k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Size Increase •Destruction/Violence •Mermen •Ghosts •Incubus/Succubus •Witch/Warlock/Wizard •Supernatural •Christmas •Immortality •Invisibility •19th Century •M/M •M/M/M

Big men on campus by Aardvark and Cris Kane The Alpha Alpha Alpha fraternity recruits a prospective pledge who will need a few adjustments to fit in. Added Oct 2014 32k views 4.6 stars (16 votes) 22k words •Hyper Muscle •Muscle Growth •Muscle/Strength •Getting Handsomer •Size Increase •Destruction/Violence

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

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 Added Aug 2020 Updated 6 Nov 2021 29k views 4.9 stars (39 votes) 22k words •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

The trainer by Also Known As Needing a new trainer, Thomas finds onewho can push him to the next level, and then some. 7 parts Added Jan 2014 24k views 5.0 stars (12 votes) 22k words •Always Hard •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •M/M

Spice up your life by Musclesaber Roommates Sam and Collin try to return to a life of normalcy after the pandemic. Trying to have a get together with friends, Sam buys a new spice pack at the store that has some surprises in store for the pair. 8 parts Added Feb 2021 Updated 7 Aug 2021 25k views 5.0 stars (21 votes) 22k words •Cock Growth •Huge Cock •Muscle Growth •Butt Growth •Belly Growth •Getting Taller •Fourth of July •Set during the Pandemic •M/M

The construction worker by Peterbilt A troubled young hardhat named Jordan is helped through a series of self-discoveries by Joe, a father-figure who comes to mean more and more to Jordan. Added Sep 2015 26k views 4.9 stars (14 votes) 22k words •Cock Growth •Huge Cock •Muscle/Strength •Age Difference •First Time/Virgin •Incest •Father/Son

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 Added Apr 2020 Updated 8 Aug 2020 39k views 4.9 stars (34 votes) 22k words •Cock Growth •Huge Balls •Huge Cock •Nipple Emissions •Muscle Growth •Muscle/Strength •Butt Growth •Gradual Change •Getting Taller •Size Increase •M/M

Frank’s gym by Writ Bro Alec finds out more about what it means to be one of Frank’s bitches—and having his growth under Frank’s control. 7 parts Added May 2014 Updated 6 Mar 2015 56k views 4.6 stars (38 votes) 22k words •Cock Growth •Huge Cock •Muscle Breast •Muscle Growth •Muscle/Strength •Dom/Sub •Sex-Slave •Dildos/Toys •M/M •M/M/M

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

Easy cum, easy go by Noam de Pluma and Kuro Norman Aster is working his regular shift at the restaurant when a mysterious stranger walks in and changes his life forever… except his life has always been that way, right? Right? 3 parts Added Apr 2022 Updated 16 Apr 2022 12k views 4.4 stars (10 votes) 22k words •Always Hard •Cock Growth •Huge Balls •Huge Cock •Always Cumming •Hyper Cum •Public Orgasm •Gender Swap •Other Mental Changes •Straight to Gay •Muscle Growth •Always Shirtless •Increased Libido •Getting Taller •Size Increase •Retcon •Suggestion •Bisexual •Humiliation •Sex-Slave •Hyper Pheromones •M/M •M/M/M •M/F

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 Added Mar 2021 Updated 27 Mar 2021 6,637 views 5.0 stars (6 votes) 22k words •Gradual Change •Transformation •Superhero/Supervillain •Flying •X-Ray Vision •All Dialog

Lazarus by muscl4life A rogue bio-engineer discovers a way to infuse young men with the strength of the sun. 3 parts Added Apr 2018 22k views 4.7 stars (20 votes) 22k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Giants •Plausible Size Difference •Size Increase •M/M

Bottom mega-alfa by Jerkoffcentral Lit prof Jonas has been lusting after the exceptionally muscular students on his prep school survival outing, but even more after the massive gym teacher Noah, who’s so alpha he has trouble controlling just how massive he is—especially when he’s aroused by an admirer’s obsessive lust. 8 parts Added Nov 2014 Updated 22 Dec 2017 74k views 4.7 stars (58 votes) 22k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Getting Hairy •Dom/Sub •Nonconsensual change •Werewolves •M/M

So you wanna be a hunk? by YellowJester The new game show So You Wanna Be a Hunk offers men down on their luck an opportunity to participate in various challenges to win the chance to improve their bodies and become hunks! 5 parts Added Mar 2023 Updated 17 Jun 2023 19k views 4.9 stars (39 votes) 21k words •Cock Growth •Ball Growth •Huge Cock •Nipple Emissions •Getting Dumber •Other Mental Changes •Straight to Gay •Muscle Growth •Public Nudity •Man Scent •Getting Handsomer •Voice Deepening •Getting Taller •Age Regression •Getting Hairy •Hairless •Hyper Pheromones •Complete •M •M/M •M/M/M/...

No limits by Corwin There’s a secret serum that makes you super-muscled and super-strong, but what you do with that—that’s all you. 7 parts Added Mar 2020 24k views 4.3 stars (7 votes) 21k words •Cock Growth •Huge Cock •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle Theft •Muscle/Strength •Muscle Worship

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

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 Added Nov 2021 Updated 12 Feb 2022 31k views 4.6 stars (16 votes) 21k words •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

Hyper active imagination by Ziel James’s attention wanders sometimes, usually in the direction of making the person he’s staring at not just hotter but impossibly muscled and unbelievably hyper-donged. It’s so vivid, it’s almost like it’s real... 5 parts Added Oct 2013 Updated 26 Mar 2022 60k views 4.6 stars (29 votes) 21k words •Cock Growth •Hyper Cock •Muscle Growth •Muscle/Strength •Public Nudity •Getting Taller •Giants •Size Increase •Christmas •Valentine’s Day •Complete •M/M

Magic eye by RdyRoger Once he found out the secret of magic growing things suddenly seemed really easy for Al, until the day he was startled by Turner while he was staring deep into his hot friend, Tony. 7 parts Added Aug 2019 Updated 21 Sep 2019 21k views 4.8 stars (17 votes) 21k words •Cock Growth •Cock Shrinking •Huge Balls •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Decrease •Size Increase •Lycra/Spandex •t/t

Nothing better than Monday oatmeal by Mask Spencer would love nothing more than to live out his idyllic life while caring for his two perfect older sons. His days are always the same, except for his devilish youngest child who always seems to be causing issues for the household. 7 parts Added Jun 2023 Updated 17 Jun 2023 7,282 views 4.6 stars (19 votes) 21k words