Incest

Stories involving sexual relations between family members.

Child of: Choice of Partner. Related tags: Age Difference;Bestiality;First Time/Virgin;Incest;Misogyny;Not Only Male;Seniors.

Subtags: Brothers;Father/Son;Selfcest;Triplets;Twins.

Tag Group: Family.

**This Page: Top Stories**
Spice by Mr. X
All good things by Anon Amon
Jason’s big problem by Joven
Mind and body by BRK
My roommate (complete) by LenZelig
Empire by LenZelig
Baby brother by Shawn D. Stewart
An unexpected inflation by UberPump
My son, the superstud by Max Mann
The brothers by FanTCMan

**This Page: Recently Updated Stories**
Princely duel by brazboy
Mountainheart by BRK
The Red Prince by brazboy
A filling experience by Lionel E. Linklander
Absolute general relativity by brazboy

213 stories found Sorted alphabetically Total word count: 3,839,318

A 12

Absolute general relativity by brazboy Matias, Murilo, and Marcelo are three brothers in very different stations in life, navigating a world organized by a single universal, albeit apparently contradictory, principle—absolute general relativity. Added Aug 2023 1,525 views 5,999 words •Huge Balls •Huge Cock •Public Nudity •Incest •Brothers

Adam’s first growth spurt by MDS Adam comes home from a day of being bullied at school to find he definitely won't have to worry about anything like that after today. Added Nov 2016 53k views 4.3 stars (15 votes) 2,350 words •Huge Cock •Muscle Growth •Muscle/Strength •Giants •Size Increase •Incest •Brothers

Adventures of an Ivy League himbo by iHeywood This is a story all about how Liam Montgomery became the best himbo ever while a student at an Ivy League university. 2 parts Added Jun 2022 10k views 4.9 stars (15 votes) 5,749 words •Huge Cock •Hyper Cock •Nipcocks •Hyper Cum •Nipple Emissions •Multicock •Male Pregnancy •Incest •Father/Son •Set in the Future •Hyper Anus

Alex’s gift by Will Bowden A teen discovers his shapeshifting ability, which seems to be tied to the horniness of other guys. 3 parts Added Apr 2003 40k views 4.7 stars (15 votes) 4,345 words •Incest •Brothers •Shapeshifting

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 213k 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

Alpha Logan claims a beta by Eric Aaldersen Shortly after becoming an alpha, Brian’s younger brother Logan sites a beta of his own while working out in the local gym. Added Dec 2021 9,827 views 5.0 stars (5 votes) 4,961 words •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle/Strength •Gradual Change •Incest •Brothers •Hyper Pheromones •Supernatural

Alpha Luke grows his circle by Eric Aaldersen Now fully aware of his alphahood, Luke breeds some more betas hoping to make Brian an alpha like him. Luke and Mike finally bond as they were meant to. Added Mar 2020 11k views 5.0 stars (6 votes) 8,980 words •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Incest •Brothers •Supernatural

Alpha Mike and his alpha bro by Eric Aaldersen Meet Alpha Mike, Luke’s older brother, on the day that he discovers that his little bro is an alpha, too! Added Mar 2020 12k views 4.5 stars (17 votes) 5,437 words •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers •Supernatural

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 85k 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

Alt-world by BRK The alternate reality was constructed so the guys fell within broad parameters. Except they were a little skewed toward the exceptional. And something in the software seemed to like outliers... 2 parts Added Jul 2011 29k views 4.9 stars (15 votes) 5,265 words •Cock Growth •Huge Cock •Hyper Cock •Multiarm •Multilimb •Replication •Muscle/Strength •Plausible Size Difference •Size Increase •Incest •Selfcest •Twins

Another big morning by Thatbadwriter It never fails. You’re sitting there on the living room floor with your cereal trying to watch some TV, when your dad comes down and decides Saturday morning is the perfect time to start growing and getting himself off. And then your horny brother comes home… Added Nov 2020 23k views 4.2 stars (5 votes) 1,226 words •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Giants •Size Increase •Incest •Brothers •Father/Son •Destruction/Violence •Complete

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

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Baby brother by Shawn D. Stewart "Kev, did you see a glass here?” “Whoa, man, was that yours? Sorry… I was really thirsty…” “You drank it!?” Aaaaand off we go! Added Mar 2003 123k views 4.4 stars (41 votes) 2,879 words •Cock Growth •Muscle Growth •Muscle/Strength •Getting Taller •Incest •Brothers

Bad suggestion by pkak2k12 I’ve learned what I say about others happens. However, I’m still figuring out how to use it, and my best friend and little brother kind of ended up being test subjects for it. Added Sep 2022 11k views 4.7 stars (23 votes) 1,619 words •Cock Growth •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Retcon •Suggestion •Incest •Brothers

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 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

A Barber story: The Titan Brothers by Ogrebear Two men from opposite ends of life get a world-changing haircut. Added Dec 2022 6,212 views 5.0 stars (8 votes) 5,252 words •Cock Growth •Huge Balls •Huge Cock •Public Orgasm •Hyper Strength •Muscle Growth •Muscle/Strength •Getting Handsomer •Getting Taller •Plausible Size Difference •Size Increase •Age Regression •Getting Hairy •Retcon •Suggestion •Incest •Brothers •Twins

Bending the straight boys by iciss At first all those hot straight guys seemed like real jerks. And then they started getting hunkier, and hornier, and a lot more aware of each other. 2 parts Added Jan 2008 71k views 4.7 stars (39 votes) 11k words •Cock Growth •Huge Cock •Public Orgasm •Straight to Gay •Muscle Growth •Muscle/Strength •Getting Handsomer •First Time/Virgin •Incest •Brothers •Twins •Nonconsensual change •Infectious

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 58k 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

Beta Logan and his big brother by Eric Aaldersen Logan has difficulty controlling himself as his older brother Brian becomes a bigger and bigger stud. Added Jun 2020 22k views 5.0 stars (16 votes) 6,499 words •Cock Growth •Cut to Uncut •Huge Balls •Huge Cock •Hyper Cum •Hyper Strength •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers •Hyper Pheromones •Supernatural

Beyond Marrakech by brazboy What lies beyond Marrakech, gateway to the inhospitable Sahara? There lie lush green oases amidst the endless sand, made possible and populated by an unusual variety of men, their society, their rules and rulers. 6 parts Added Feb 2023 3,537 views 4.8 stars (8 votes) 10k words •Always Hard •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Nipple Emissions •Public Orgasm •Muscle/Strength •Public Nudity •Increased Libido •Giants •Plausible Size Difference •Age Difference •First Time/Virgin •Incest •Brothers •Dom/Sub •Sex-Slave •Medieval(ish)

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 97k views 4.6 stars (27 votes) 74k words (#37) •Cock Growth •Ball Growth •Huge Balls •Hyper Cock •Hyper Cum •Incest •Twins •Dildos/Toys •Christmas •Easter •Gay Pride •Halloween •New Year’s Eve •Valentine’s Day •Stories with Images

Blood lust by muscl4life The vampire Drago plots his revenge against his twin brother, Draco, and Kevin, Danny, and Greg get caught in the middle. 3 parts Added Nov 2013 28k views 4.4 stars (8 votes) 9,393 words •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Size Increase •Incest •Twins •Nonconsensual change •Vampires •Werewolves •Halloween

The blue pumpkin by BRK Dominic is sure his blue pumpkin jack-o’-lantern will be a hit. What he doesn’t know is what will be brought forth when he lights the candle within… 6 parts Added Oct 2020 10k views 4.9 stars (19 votes) 8,774 words •Always Hard •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Multiarm •Multilimb •Multitongue •Replication •Muscle Growth •Muscle/Strength •Stretchy •Getting Taller •Mouthcock •Incest •Selfcest •Twins •Merging •Supernatural •Halloween •Complete

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 40k views 4.9 stars (27 votes) 49k words (#68) •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

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 46k 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

Boosted by West Phil has a clumsy moment, and suddenly the school’s Augmented Reality room ends up being so much more. 3 parts Added Aug 2021 16k views 4.6 stars (21 votes) 5,429 words •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Multi-abs •Hyper Muscle •Muscle Growth •Muscle/Strength •Getting Handsomer •Getting Taller •Plausible Size Difference •Size Increase •Tongue Growth •A.I.-Controlled Change •App •Incest •Brothers •Infectious •Complete

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 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

Boytaurs from Outer Space! by BRK Sev, the commander of a Taurian survey mission, judges Earth suitable for cultivating an aggressive alien grain, but the danger to Earth’s ecosystem drives the idealistic Elek to rebel and flee with some valuable equipment. When a conflicted Kiyy chases him, they both encounter the strange inhabitants and discover that humans and Taurians find each other mutually captivating. 6 parts Added Jun 2015 15k views 4.4 stars (16 votes) 13k words •Huge Cock •Multicock •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Muscle Growth •Muscle/Strength •Incest •Twins •Aliens •Space Travel

The boytaurs of Bel-Air by BRK When Steve’s attempts at bringing boytaurs into popular awareness through CGI ends up being a disaster, his only recourse is to use the real thing. Added Mar 2004 9,256 views 5.0 stars (3 votes) 3,080 words •Multicock •Boytaur •Multiarm •Multileg •Multilimb •Muscle Growth •Incest •Twins •Complete

Brandon’s bro by FanTCMan Brandon initiates his brother onto a secret society of guys who are being made more and more muscular, hung, and sexy. 4 parts Added Jan 2017 26k views 4.5 stars (26 votes) 8,692 words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Hairy •Incest •Brothers

Brother dear by MsclGuy Added Jul 2002 28k views 3.9 stars (8 votes) 766 words •Muscle/Strength •Incest •Brothers

Brotherly love by Seth Peterson Two brothers get the best weekend they can imagine through the use of some very special, very wonderful powers. Rest assured, the results are BIG. Added Dec 2015 45k views 4.8 stars (19 votes) 7,666 words •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Muscle Growth •Muscle Gut •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers •Merging

Brotherly love by TheSizeKing Reece is a 20-year-old guy who has everything going for him in life: good looks, good brains, good personality, even a well-above average endowment between his legs. His younger brother, Michael, is exactly the opposite. Michael is about to turn 18, and could use a little boost before he goes out into the adult world. 5 parts Added Apr 2020 18k views 4.9 stars (17 votes) 7,816 words •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers

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 111k 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

Brother’s closet by Josh Dugan A handsome athletic older brother offers somewhat more than expected. Added May 2002 23k views 4.5 stars (11 votes) 962 words •Lots of Legs •Multileg •Multilimb •Replication •Detachable •Incest •Brothers •Selfcest

Bull brothers by brazboy Caio and André live together in their family farm, burdened by the loans inherited from their parents. Caio supports both of them selling his milk, but his younger brother still wants to contribute, even if he has to do it behind his elder’s back. 3 parts Added Nov 2021 15k views 4.8 stars (10 votes) 12k words •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Cum Milking •Hyper Cum •Nipple Emissions •Hyper Muscle •Muscle Breast •Muscle Growth •Incest •Brothers

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 86k views 4.8 stars (43 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

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Canticle of the Fair King by brazboy A fable showing the immense wisdom of the Fair King, as he is challenged by a vile noble with a riddle which apparently has no right answers. Added Sep 2022 2,984 views 4.7 stars (3 votes) 6,693 words •Hyper Cock •Hyper Cum •Nipple Emissions •Hyper Muscle •Muscle Breast •Incest •Brothers •Twins •Restraints •Fantasy Realm

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 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

The chameleon kid by smitch69 It was simple and I had been doing it for years. It was always a rush when I took the shape of someone new. 8 parts Added Jan 2006 15k views 4.7 stars (6 votes) 3,678 words •Replication •Incest •Selfcest •Twins •Bisexual

Chris olympus by FanTCMan 3 parts Added Dec 2002 39k views 4.5 stars (21 votes) 9,167 words •Cock Growth •Straight to Gay •Muscle Growth •Muscle/Strength •Getting Hairy •Age Difference •Incest •Father/Son

Christmas wish by Riu Two grown-up brothers follow their childhood tradition of waiting up for Santa. Only this time, after a few shots of special whiskey, a different kind of Christmas wish is granted. Added Dec 2016 27k views 4.8 stars (30 votes) 3,925 words •Cock Growth •Huge Cock •Hyper Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Suggestion •Incest •Brothers •Christmas

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 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

Cock tongue fun by lock444 Charlie’s mischievous friend Mike discovers Charlie’s brother has a magical device that turns tongues into cocks. Added Jun 2013 15k views 4.5 stars (6 votes) 2,412 words •Mouthcock •Incest •Brothers

College town by James Fourlegs A randy warlock remains circumspect about having turned the whole town into a herd of boytaurs. Added May 2002 13k views 4.2 stars (6 votes) 945 words •Multicock •Boytaur •Multilimb •Replication •Wristfeet •Incest •Selfcest •Twins

Coming of age by Also Known As Jerry’s teenaged nephew comes to visit him in San Francisco, and turns out to be very huge, very beautiful and very uninhibited. 4 parts Added Feb 2019 24k views 5.0 stars (15 votes) 13k words •Cock Growth •Huge Balls •Huge Cock •Self-suck •Hyper Cum •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Hairless •Incest

Company guys by FanTCMan You can’t even imagine how excited Joey and I were, excited and scared, when Dad said he was going to give us the formula he’d been sampling. We were going to be models for what he called the Company. 2 parts Added Dec 2002 35k views 4.6 stars (11 votes) 7,919 words •Cock Growth •Huge Cock •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Increased Libido •Getting Hairy •Age Difference •Incest •Father/Son

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

Cool bracelet, bro by BRK Shortly after acquiring a mysterious leather bracelet, Pete and his kid brother Quentin have a conversation that leads rapidly toward just how hung Pete is, and how horny that makes his brother. 6 parts Added Feb 2014 72k views 4.5 stars (52 votes) 20k words •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Multi-abs •Multi-balls •Multicock •Multihead •Multiarm •Multileg •Multilimb •Three Legs •Multipec •Multitongue •Stacking •Muscle Growth •Muscle/Strength •Retcon •Suggestion •Incest •Brothers

The cowboy by Chance Riverwind Added Jul 2002 19k views 2.1 stars (7 votes) 1,967 words •Cock Growth •Huge Cock •Muscle/Strength •Giants •Age Difference •Incest •Father/Son

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 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

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Daddy’s little boy by TonnyGiant Jimmie returns home from college for the summer to rediscover just how drawn he is to his massive, muscle bear stepfather. 2 parts Added Sep 2018 31k views 4.7 stars (11 votes) 4,961 words •Huge Cock •Muscle Gut •Muscle/Strength •Plausible Size Difference •Age Difference •Incest •Father/Son •Dom/Sub

Dad’s gift by John Y. For Jeff’s 18th birthday, his dad decides to give him something special and close to his heart—a donkey dick. Added Mar 2004 50k views 4.7 stars (27 votes) 4,994 words •Cock Growth •Huge Cock •Age Difference •Incest •Father/Son

Daemos island by Charles Westfall A Polish scientist and explorer, Ferdinand Rolcek, discovers a hidden island where the lost secrets of the Daemos, alien pioneers of masculine beauty and sexuality far beyond anything known to humanity, are finally revealed to him; and what he learns makes him never want to leave again. Don’t worry, he won’t be lonely. 6 parts Added Feb 2003 30k views 3.2 stars (20 votes) 15k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Size Increase •Age Difference •Incest •Father/Son •Twins •Destruction/Violence

Damian and the three muscleteens by hyperboi 5 parts Added Dec 2012 57k views 4.3 stars (27 votes) 8,170 words •Cock Growth •Huge Cock •Hyper Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Age Difference •Incest •Brothers •Father/Son •Twins •Infectious

Dana gets wired by FanTCMan A bit of software, a few connections, and you can enjoy making someone into a whole new man—especially if you have the right recruits to start with. 3 parts Added Jul 2002 23k views 4.3 stars (9 votes) 11k words •Muscle Growth •Muscle/Strength •Voice Deepening •Incest •Father/Son

A day at the beach by Thatbadwriter You watch in dismay and amazement as your father, who’s gained the ability to grow himself to giant size in a freak medical accident, takes a trip to the beach with you and decides to make himself bigger than he’s ever tried to become before. Added Aug 2019 13k views 4.1 stars (16 votes) 1,624 words •Huge Cock •Hyper Cock •Giants •Size Increase •Age Difference •Incest •Father/Son •Destruction/Violence

A day in the life of a pregnant gay couple by JKL A glimpse into the pleasurable life of a couple of extraordinary men who’ve impregnated each other with their seed. Added May 2021 7,454 views 4.3 stars (6 votes) 839 words •Always Hard •Huge Cock •Muscle Breast •Muscle/Strength •Male Pregnancy •Incest •Twins

Days & Knights by iHeywood Bash wants to surprise his family by coming home from college for Thanksgiving early. But he gets a surprise himself. His dad is sucking his own massive cock. 3 parts Added Apr 2022 9,734 views 4.8 stars (33 votes) 9,852 words •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Muscle Growth •Age Difference •Incest •Father/Son •Thanksgiving

Demon brand jeans by alwaysmyway Shopping for creepy Halloween costumes at the last minute is probably not a good idea. Added Aug 2012 29k views 4.6 stars (29 votes) 6,033 words •Wings •Muscle Growth •Muscle/Strength •Incest •Brothers •Halloween •Flying

Desire baubles by Writ Bro Jack finds some super-gay Christmas ornaments that are all muscle, cock, and ass, so of course he brings a bunch home, just in time for the party with his closest friends. Added Dec 2019 6,075 views 4.5 stars (8 votes) 3,034 words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Incest •Twins •Christmas

Dickville by OneLuckyGuy89 Rodney Finnegan and his four boys arrive in a Florida marshland town named Dickville. And it doesn’t take them long to figure out how it got that name. 2 parts Added Apr 2022 13k views 4.4 stars (17 votes) 5,446 words •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Man Scent •Butt Growth •Increased Libido •Getting Handsomer •Voice Deepening •Getting Taller •Size Increase •Getting Hairy •Incest •Brothers •Father/Son

Dig’s island by BRK Shipwrecked on a remote island, four brothers grow up to be incredibly close—and that’s before they encounter a secret power on the island that transforms them each in different ways. 4 parts Added Mar 2005 25k views 4.3 stars (9 votes) 3,756 words •Cock Growth •Huge Cock •Multiarm •Wings •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers •Flying •Complete •19th Century

The djinn by hyperboi 8 parts Added Dec 2012 39k views 4.9 stars (21 votes) 14k words •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Incest •Brothers •Twins •Djin/Jinn/Genie

Don’t talk about me! by jewelbee What if one day, everything someone said about you became true? Everything someone says to your face, whether lie, sarcasm, joke, hyperbole… would change you. 18 year old campus douche Nick learns this the hard way, faced with a curse after he led on the wrong girl. How will he get rid of the curse, and more importantly… just how much will he change in the meantime? 3 parts Added Aug 2020 17k views 4.8 stars (45 votes) 4,348 words •Public Orgasm •Straight to Gay •Belly Growth •Getting Fatter •Retcon •Suggestion •Incest •Father/Son •Nonconsensual change

The double room by Tyler Wilson Tyler is confused to find two roommates listed for his double room at the university, but quickly finds that this new arrangement will work very well. 3 parts Added Jul 2017 16k views 4.9 stars (25 votes) 7,922 words •Huge Cock •Multicock •Multihead •Multiarm •Multilimb •Multitorso •Incest •Triplets •Twins •Merging

Double trouble by NBCK99 Caleb is really into how hot identical twins are. His roommate decides to help him out a little. Added May 2015 14k views 4.7 stars (30 votes) 4,088 words •Retcon •Incest •Twins

Doubling up by BRK All the dorm rooms in Bryce’s building are being combined with another, and everyone’s doubling up. What isn’t immediately apparent is that it isn’t the rooms that are being merged—it’s the roommates. 3 parts Added Jun 2013 26k views 4.9 stars (23 votes) 7,007 words •Always Hard •Multi-abs •Multicock •Multihead •Multiarm •Multilimb •Multipec •Multitorso •Stacking •Incest •Twins •Merging

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The e-journal by hyperboi Tyler’s birthday is not going well: no one can come, not even his parents, and his big brother is being an obnoxious bully as usual. Plus he’s horny as heck. At least his best friend gave him a gift: an e-journal. He decides to write in it not about the way things are, but the way he wants things to be. Added Jul 2018 18k views 4.7 stars (25 votes) 3,597 words •Cock Growth •Huge Balls •Huge Cock •Multi-balls •Multicock •Muscle Growth •Muscle/Strength •Retcon •Incest •Brothers •Nonconsensual change

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 133k 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

Endmyths by Taur Reg Transformations spread through an entire town—but why? 12 parts Added Aug 2013 18k views 4.8 stars (6 votes) 19k words •Multilimb •Age Difference •Incest •Father/Son •Centaurs •Naga •Satyrs •Shapeshifting

The escape by hyperboi Sam and his brother find themselves taken in their sleep and trapped in some strange warehouse-like space, along with all the other teens in their community. Not only is there no way out, but something is happening to them all... Added Dec 2014 26k views 4.7 stars (21 votes) 3,492 words •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Straight to Gay •Muscle Growth •Muscle/Strength •Incest •Brothers •Twins •Nonconsensual change •Aliens

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Family trouble by HandsomeLitleBoy Max starts to notice some strange behavior from his big brother Brad—behavior that involves ungodly amounts of cum. 2 parts Added Oct 2020 11k views 4.8 stars (9 votes) 2,454 words •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Muscle Growth •Getting Taller •Incest •Brothers •Twins

Family values by FanTCMan Visiting his brothers in California leads to surprise after surprise, starting with their being much bigger than they had been before... Added Jul 2014 30k views 4.0 stars (32 votes) 1,448 words •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Getting Hairy •Incest •Brothers

A father and son’s inseparable bond by Salem Noctua Ezekiel finds a way to make his fraught relationship with his dad, Lucas, a little more intimate. Added Jan 2023 4,393 views 4.6 stars (27 votes) 12k words •Human to Cock •Incest •Father/Son •Nonconsensual change •Merging

Field agent by BRK Special agents Adkins and Barber interview a rancher in relation to their current case. There’s something odd about the handsome Latino, though—starting with the fact that he won’t get down off his horse. 2 parts Added Apr 2020 11k views 4.9 stars (21 votes) 5,236 words •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Multicock •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Replication •Muscle Growth •Public Nudity •Size Increase •Incest •Selfcest •Twins •Infectious •Centaurs

A filling experience by Lionel E. Linklander Carlos has become victim to a cum-and-dump party. He’s taken a bunch of small loads already when six men show up at the party with huge dongs and swelling balls. Can Carlos take all the cum these men have, or will he explode like some cheap cum balloon? Added Aug 2023 4,202 views 4.3 stars (4 votes) 3,019 words •Cock Growth •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Immobility •Belly Growth •Size Increase •Inflation •Incest •Brothers •Humiliation •Complete

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 27k 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

5D Super User: Brandon by pkak2k12 Brandon finds out he has an unexpected gift the second he becomes 18. 11 parts Added Jan 2023 27k views 4.9 stars (66 votes) 23k words •Cock Growth •Ball Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Gradual Change •Getting Taller •Size Increase •Retcon •Incest •Bisexual

The formula by hyperboi Mike begs his genius friend Jeff to try coming up with a cock growth formula. Jeff assumes Mike doesn’t want to look too small when he goes out for the swim team, but the secret truth is, Mike’s ambitions aren’t limited to his own junk. 4 parts Added Jan 2021 26k views 4.9 stars (30 votes) 15k words •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Muscle Growth •Muscle/Strength •Age Difference •Incest •Brothers •Father/Son •Twins

Four for the game by Clearlyhere Four jocks play a body changing game. Added Feb 2017 21k views 4.5 stars (20 votes) 2,962 words •Cock Growth •Cock Shrinking •Huge Cock •Muscle Growth •Muscle/Strength •Getting Handsomer •Size Increase •Incest •Brothers •Body Swap

The four jocks book 2 by BRK The game has been passed on to a bunch of swim team hotties, who elect to play immersed in a hot tub. 2 parts Added Sep 2009 20k views 4.7 stars (6 votes) 3,968 words •Cock Growth •Huge Cock •Multilimb •Replication •Muscle Growth •Muscle/Strength •Incest •Selfcest •Twins •Complete

The four jocks: College buddies by NBCK99 NBCK99 tries his hand at a "Four Jocks" story, involving four insanely hot jocks growing and changing each other as they feed each others’ attraction and arousal. Added Aug 2015 21k views 4.9 stars (19 votes) 4,873 words •Always Hard •Cock Growth •Huge Cock •Self-suck •Multicock •Multilimb •Muscle Growth •Muscle/Strength •Retcon •Incest •Brothers

The four jocks: Horny teens by hyperboi 3 parts Added Apr 2014 34k views 4.7 stars (7 votes) 7,484 words •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Nipple Emissions •Multicock •Boytaur •Four Legs •Multiarm •Replication •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers •Selfcest

The four jocks: Online edition by BRK A futuristic all-virtual version of the game leads to transformations in their already-tweaked full-body avatars, which they’re able to experience in the VR space as if they were their real bodies. 3 parts Added Jul 2012 19k views 4.6 stars (8 votes) 7,582 words •Always Hard •Cock Growth •Huge Cock •Multicock •Multilimb •Multitorso •Replication •Muscle Growth •Muscle/Strength •Mouthcock •Incest •Brothers •Selfcest •Complete

The four jocks: At the lake by BRK When Dane and his brother Sean go on a celebratory road trip after finishing college, Sean's best friends, the Fernandez twins, naturally tag along. But their trip takes a strange turn right out of the gate, not least thanks to a game the guys find in their room at the lakeside bed and breakfast. Added Jul 2017 13k views 4.5 stars (14 votes) 5,950 words •Always Hard •Cock Growth •Huge Cock •Multicock •Multiarm •Multilimb •Muscle Growth •Muscle/Strength •Suggestion •Incest •Brothers •Twins •Complete

Frank’s boyss by Multiple Authors 2 parts Added Mar 2009 18k views 3.8 stars (5 votes) 5,815 words •Huge Cock •Multicock •Multilimb •Incest •Brothers

Frat hunting by hyperboi A pair of twins with the ability to alter themselves and the world around them have some fun tailoring one of the frats to meet their needs. Added Jul 2013 30k views 4.5 stars (20 votes) 1,543 words •Cock Growth •Hyper Cock •Muscle Growth •Muscle/Strength •Suggestion •Incest •Brothers •Twins

From the files of the Magic Misuse Office by BRK High-ranking magilegal investigator Liam O'Brien reports on a YouTube video in which twin college students have an illicitly magical effect on anyone watching. 6 parts Added Sep 2017 19k views 4.9 stars (35 votes) 20k words •Cock Growth •Huge Cock •Multicock •Multihead •Multiarm •Multilimb •Multitorso •Replication •Straight to Gay •Muscle Growth •Increased Libido •Transformation •Social Media •Incest •Selfcest •Twins •Merging •Witch/Warlock/Wizard

A fucking god by Jerkoffcentral A teenager is both exasperated and incredibly turned on by how his body and everything about it seems to be getting freakier and freakier. 4 parts Added Mar 2019 48k views 4.7 stars (39 votes) 11k words •Cock Growth •Ball Growth •Huge Balls •Huge Cock •Cum inflation •Hyper Cum •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Muscle Worship •Gradual Change •Size Increase •Incest •Brothers

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Glitch by BRK Undercover as a university student inside a thriving, all-gay digital community, Torin starts experiencing unexplained, universe-wide glitches that progressively and seamlessly change Torin and everyone around him. 4 parts Added Dec 2020 7,280 views 4.9 stars (10 votes) 14k words •Always Hard •Cock Growth •Huge Cock •Extra digits •Multi-abs •Multicock •Multiarm •Multileg •Multilimb •Three Legs •Multipec •Replication •Stacking •Always Shirtless •Hyper Tongue •Tongue Growth •Retcon •Incest •Selfcest •Twins •April Fool’s Day

Growing closer by Chance Micheals Spying on Luke, the object of his lust, young Gareth discovers that Luke is even more special than he thought—and then Luke’s brother shows up. Added Jun 2015 17k views 4.2 stars (20 votes) 1,018 words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Incest •Brothers

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The Halloween costume by frooooooo A Halloween costume you share with your brother? Might be fun. What's the worst that could happen? Added Oct 2012 19k views 4.5 stars (14 votes) 2,220 words •Incest •Brothers •Merging •Halloween

Have yourself a megalithic Christmas by Ziel A sort of sequel/follow up/spin off to “A Miracle on 69th Street”. This time the story focuses on Calvin, a down on his luck dude who has long suffered under his overbearing and outright mean-spirited older brother, but all that’s about to change. It’s Calvin’s turn to be the “big” brother in every sense of the word. Added Dec 2016 13k views 3.6 stars (7 votes) 8,115 words •Cock Growth •Huge Cock •Hyper Cock •Giants •Size Increase •Incest •Brothers •Christmas

The Henderson family reunion by EdIam The Hendersons are having a pretty standard reunion, until a seasoned mind controller with a particularly niche power decides to make it quite the life-altering occasion. Added Jul 2023 2,288 views 4.0 stars (3 votes) 13k words •Transgender •Gay to Straight •Other Mental Changes •Straight to Gay •Transformation •Incest •Brothers •Father/Son •Twins •Dom/Sub •Nonconsensual change •Hypnosis •Mind Control •Complete

His brother drains his manhood by Ballmeat A younger brother drains his big, strong, overconfident older brother of his cock, balls and muscle. Added Jan 2018 64k views 4.4 stars (47 votes) 2,593 words •Cock Growth •Cock Shrinking •Cock Theft •Dom to Sub •Straight to Gay •Muscle Growth •Muscle Theft •Muscle/Strength •Incest •Brothers •Dom/Sub •Humiliation •Nonconsensual change

His last hypnosis show by EdIam Paul has decided to put his long career as a hypnotist to bed… along with many of the new local men he’s meeting. 3 parts Added Mar 2022 3,877 views 4.3 stars (4 votes) 11k words •Straight to Gay •Public Nudity •Suggestion •Age Difference •Incest •Father/Son •Sex-Slave •Hypnosis •Mind Control

Home for the holidays by Richard Jasper Chris Kirkpatrick, an 18-year-old high school Big Man on Campus, is eager to see his slightly older brother Roger back “home for the holidays” after his first semester as a freshman at State. Boy, is he in for a surprise! Added Dec 2020 8,649 views 5.0 stars (11 votes) 3,149 words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Incest •Brothers •Christmas

How it’s done by phallicphan College centaur shows his younger brother how to breed. Added Oct 2017 10k views 5.0 stars (9 votes) 4,189 words •Muscle/Strength •First Time/Virgin •Incest •Brothers •Centaurs

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I think... by EdIam Larry wants to think for Zack. 12 parts Added Apr 2021 19k 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

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

Illusions by Cockatrice Jacob is a huge fan of the famous magician Wondrous Will. One day he is invited backstage and is let in on the show’s biggest secret. Added Dec 2019 3,449 views 4.5 stars (2 votes) 3,670 words •Detachable •Incest •Twins

In The Mood by Also Known As Woody decides to try the new fad of rendered fantasy companions, wondering if there’s any way they can live up to the hype, much less his own particular fantasies. 2 parts Added Mar 2023 8,204 views 4.6 stars (10 votes) 16k words •Cock Growth •Huge Balls •Huge Cock •Replication •Muscle Growth •Muscle Worship •Getting Taller •Plausible Size Difference •Size Increase •A.I.-Controlled Change •Incest •Brothers •Selfcest •Twins •Dildos/Toys •Set in the Future

Induced transformation: a brief history by BRK A father explains to his son that back in his day, they didn’t have any of these fancy-schmancy apps with built-in retcon. Back then, if you changed someone, they changed, and everyone had to just suck it up and deal with it. Added Jun 2020 12k views 4.9 stars (17 votes) 2,248 words •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Replication •Muscle Growth •Age Regression •App •Retcon •Age Difference •Incest •Brothers •Father/Son •Selfcest •Nonconsensual change •Infectious •All Dialog •Complete

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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 204k views 4.5 stars (76 votes) 115k words (#18) •Cock Growth •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers

Jocktaur pledge by BRK High school track superstar Tommy finds he isn’t king of the world anymore now that he’s left his small town for the huge, sprawling State U. His hopes of getting into a big frat end up crushed, and his last hope is a house where the brothers keep to themselves and hardly let anyone in at all. Added Sep 2020 4,504 views 5.0 stars (6 votes) 4,791 words •Cock Growth •Huge Cock •Boytaur •Four Legs •Multileg •Multilimb •Incest •Twins •Complete

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The king’s new clothes by brazboy A tailor offers to make the king the most perfect clothes out of a fabric invisible to those who are dim of mind. The king accepts, and when he sees the outfit made for him, he decides to parade it to court and wear it to a festival in the city. Added Jul 2023 1,739 views 3.8 stars (5 votes) 2,684 words •Huge Balls •Huge Cock •Public Orgasm •Public Nudity •Incest •Brothers •Medieval(ish)

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The Latin twins by RdyRoger A man is gifted by "the watchers" to make changes to himself and others that will last for 24 hours. Two of his escapades are detailed in this story. 2 parts Added Apr 2012 41k views 4.7 stars (9 votes) 7,238 words •Cock Growth •Cock Shrinking •Huge Balls •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Decrease •Size Increase •Race/Ethnicity Change •Suggestion •Incest •Brothers •Dom/Sub

Little bro by Ziel Hunky big bro Liam has always teased his puny kid brother Connell. But after his accident, Connell got some experimental treatments that are guaranteed to change who calls who the “little bro” from now on. Added Apr 2017 44k views 4.7 stars (16 votes) 5,382 words •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Giants •Size Increase •Incest •Brothers

Little brother gets big by pkak2k12 You (a muscle stud) are home alone with your 20-year-old younger brother (Joey). After a good fap in the shower you hear a crash coming from downstairs. What is he doing? Added Jul 2022 16k views 5.0 stars (12 votes) 1,596 words •Cock Growth •Huge Cock •Muscle Growth •Muscle Worship •Getting Taller •Plausible Size Difference •Size Increase •Incest •Brothers

Lockdown gym by BRK When Ed clears out his garage, his neighbor’s hunky college-age sons suggest converting the space to a lockdown gym for guys like them who want to maintain and can’t work out anywhere else. Despite the risk of distraction, Ed agrees, though the effect on his daily life turns out to be even greater than he expected. Added Apr 2021 13k views 4.7 stars (21 votes) 3,110 words •Always Hard •Cock Growth •Huge Cock •Replication •Straight to Gay •Muscle Growth •Muscle/Strength •Muscle Worship •Always Shirtless •Getting Handsomer •Gradual Change •Getting Taller •Age Difference •Incest •Brothers •Selfcest •Twins •Complete •Set during the Pandemic

The long weekend by BRK Bill thinks he’ll have the family lake house to himself for an end-of-summer four-day weekend. Unfortunately, that’s news to his cocky and annoyingly hot big brother and his two bro-hunk friends, who turned up with their own plans to hole up in the cozy lake house digs. Added Oct 2022 4,909 views 4.3 stars (4 votes) 4,149 words •Cock Shrinking •Huge Cock •Multicock •Boytaur •Four Legs •Multileg •Multilimb •Straight to Gay •Muscle Growth •Always Shirtless •Getting Taller •Retcon •Suggestion •Incest •Brothers •Nonconsensual change

Look what thinking can get you by Louis C. DePasquale After an accident on the field playing baseball, a young man gains the ability to hear thoughts—and maybe more. Added Jun 2012 20k views 4.5 stars (13 votes) 1,628 words •Muscle/Strength •First Time/Virgin •Incest •Brothers •Mind Control

The lost temple of Shar’hradar by Charvolth I recently discovered that there was more to this D&D-inspired, enhanced-player fantasy adventure than I originally posted back when it was first submitted for the 2005 story contest. Here, very belatedly, is the rest of it. 4 parts Added Jun 2005 12k views 4.8 stars (4 votes) 12k words •Huge Cock •Muscle Growth •Muscle/Strength •Pointy Ears •Size Increase •Incest •Twins •Witch/Warlock/Wizard •Fantasy Realm

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 43k views 4.8 stars (36 votes) 68k words (#42) •Muscle Growth •Muscle/Strength •Always Shirtless •Man Scent •Gradual Change •Transformation •Size Increase •Getting Hairy •Age Difference •Incest •Father/Son •Werebears •Supernatural •Complete

Lust & consequences by BRK Hayden manages to gain an ability that turns beliefs into truth, but the knack for making things turn out the way he wants them to is a lot more elusive. 2 parts Added Feb 2022 7,961 views 4.8 stars (15 votes) 6,212 words •Cock Growth •Huge Balls •Huge Cock •Wings •Hyper Strength •Getting Handsomer •Retcon •Suggestion •Age Difference •Incest •Father/Son •Flying •Complete •Medieval(ish)

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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 7,570 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

Male scent by Frank Easky Apprentice magician Sean’s potion exceeds his expectations, causing his personal musk to spread muscle growth to those who smell it. 2 parts Added Jul 2002 60k views 4.1 stars (16 votes) 14k words •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Hyper Muscle •Muscle Growth •Muscle/Strength •Man Scent •Getting Taller •Giants •Size Increase •Age Regression •Getting Hairy •Incest •Brothers •Twins •Hyper Pheromones •Infectious

Mass X by Max Mann Five short stories of men getting bigger and sexier, through the use of “Mass X”. 5 parts Added Feb 2005 46k views 4.7 stars (16 votes) 19k words •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Getting Hairy •Age Difference •Incest •Father/Son •Christmas •New Year’s Eve

Massive by Alex Rif James finds the superhero costume his stepson had ordered from a strange website for Halloween, and decides to try it on. 2 parts Added Feb 2016 37k views 3.7 stars (17 votes) 2,851 words •Size Increase •Body Suit •Age Difference •Incest •Father/Son •Lycra/Spandex •Halloween •Superhero/Supervillain •Stories with Images

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 61k views 4.7 stars (31 votes) 42k words (#90) •Cock Growth •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •First Time/Virgin •Incest •Brothers •Bisexual •Hetero Sex

Matt and his dad by Meddler Incs When Matt comes home to visit his dad, he is forced into being part of The Crew. Added Jun 2020 14k views 4.4 stars (7 votes) 3,343 words •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Incest •Father/Son •Nonconsensual change •Symbiotes •Hypnosis

Max and Chris by Drillur Two very hung brothers get tired of solo sex. Added Jul 2014 20k views 4.6 stars (26 votes) 1,502 words •Huge Cock •Hyper Cum •Incest •Brothers

Max’s morning wood by TreborNawoc Max makes a bet with his equally gifted boytaur brother about the size of his morning wood—only it’s a bit tougher to estimate when the wood in question is meansured in feet rather than inches. Added Apr 2023 2,379 views 5.0 stars (19 votes) 1,444 words •Huge Cock •Hyper Cock •Extra Mouths •Multicock •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Incest •Brothers

Me and my big brother by Elliott Corbett Kameron experiences a magical summer with his big brother, Kyle. Added Dec 2021 4,279 views 4.8 stars (8 votes) 2,799 words •Incest •Brothers

Me two by BRK Chris has some time off from his celluloid heroics as an A-list movie star and is going through fan mail when he finds a joke twin-making machine. Amused, he tries it out, with… unexpected results. Added Jan 2021 4,687 views 5.0 stars (16 votes) 2,725 words •Multicock •Multihead •Multileg •Multilimb •Three Legs •Multipec •Replication •Incest •Selfcest •Twins •Merging •Complete

Meta massage therapy by M.M.69 A mysterious new massage parlor opened in town, and brothers Jared and Jason have VIP passes. What makes this place so special? 3 parts Added Nov 2021 12k views 5.0 stars (15 votes) 15k words •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Multicock •Multihead •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Multipec •Multitorso •Replication •Straight to Gay •Hyper Muscle •Hyper Strength •Muscle Growth •Butt Growth •Getting Handsomer •Getting Taller •Plausible Size Difference •Size Increase •Retcon •Suggestion •Age Difference •Incest •Brothers •Father/Son •Selfcest •Dom/Sub •Pagan gods

Metachange by LordTronimator Bullied 18-year old high school student Nathan just wants to spend his time in class doodling. But he’s always mocked for what he does. So what happens when a mysterious app suddenly shows up on his phone and promises to change things? 5 parts Added May 2020 11k views 4.6 stars (11 votes) 8,689 words •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Four Legs •Multiarm •Multileg •Multilimb •App •Incest •Brothers •Humiliation •Nonconsensual change

The meteor shower by AGammer When the meteor shower hits his farm, it has an unexpected effect on the teenaged, and very horny, William: a gift of changing himself and, as it turns out, his equally horny brother. 2 parts Added Jan 2013 14k views 3.8 stars (6 votes) 2,738 words •Cock Growth •Huge Cock •Multicock •Multihead •Incest •Brothers

Michael and jim by Your Name Here Added Jul 2006 23k views 2.9 stars (7 votes) 1,317 words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Hairy •Incest •Brothers

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 156k views 4.7 stars (103 votes) 66k words (#43) •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

Misdirected by BRK Ben doesn’t realize at first exactly why his annoying older brother’s secret rituals to make himself bigger and stronger are going wrong, only that he feels pretty strange himself lately. 6 parts Added Oct 2009 36k views 4.8 stars (20 votes) 5,664 words •Always Hard •Cock Growth •Huge Cock •Self-suck •Size Increase •Incest •Brothers

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. 12 parts Added Nov 2021 20k views 5.0 stars (25 votes) 60k words (#47) •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 •Werebears •Supernatural •Shapeshifting

Mr. Rainbow Hair by iHeywood In this one-shot story, the lead singer of a gay pop/punk band meets a twink at a concert. They end up fucking. Added Sep 2022 2,926 views 4.5 stars (11 votes) 3,220 words •Huge Balls •Huge Cock •Hyper Cock •Nipple Emissions •Incest •Brothers •Twins

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 71k 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

My brother was a teenage muscle freak! by Pump Culture This is a story of how my muscle fetish first got started and how my brother turned himself into a true muscle freak. Added Nov 2020 12k views 4.6 stars (7 votes) 3,084 words •Muscle Growth •Muscle/Strength •Incest •Brothers

My brother’s boyfriend by Richard Jasper Hunky, straight Marine Kyle is gobsmacked to find out that his bigger, hotter baby brother has an even bigger, hotter boyfriend! 5 parts Added Feb 2020 18k views 4.2 stars (13 votes) 8,843 words •Huge Balls •Straight to Gay •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers •Hyper Pheromones

My brother’s closet by brazboy Lauro has a secret: he has a huge crush on his big brother! But his big brother also has a secret, one he keeps deeply locked in his heart... and in his closet. 2 parts Added Apr 2023 7,148 views 4.8 stars (17 votes) 11k words •Cock Growth •Huge Cock •Hyper Cock •Nipcocks •Hyper Cum •Nipple Emissions •Extra Mouths •Multi-abs •Multicock •Four Legs •Multiarm •Multileg •Multilimb •Multipec •Multitongue •Stacking •Muscle Growth •Muscle/Strength •Man Scent •Detachable •Getting Taller •Plausible Size Difference •Size Increase •Hyper Tongue •Tongue Growth •Mouthcock •Incest •Brothers

My growth journal by Kaelan It's my 30th birthday... and all of a sudden my body keeps changing. And it's awesome. Added Jul 2017 18k views 4.8 stars (12 votes) 3,692 words •Cock Growth •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •Gradual Change •Incest

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 155k 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

My roommate’s soft spot by brazboy Guilherme’s tall, handsome, and muscular roommate seems like the perfect guy, but he has a big secret that not everyone can really accept—not even himself. 5 parts Added Jul 2021 7,138 views 4.9 stars (7 votes) 14k words •Huge Cock •Multicock •Mouthcock •Incest •Brothers

My son home on leave by Peterbilt A story of sex between a man and his adult Marine son when he is home on leave. 2 parts Added Feb 2017 17k views 4.7 stars (11 votes) 18k words •Huge Cock •Muscle/Strength •Age Difference •Incest •Father/Son

My son is worried about his big cock by UnknownGentrifier Andy seeks his father’s advice about whether his cock really is too big, like his friends say it is. Added Oct 2020 9,668 views 3.5 stars (12 votes) 2,194 words •Huge Cock •Age Difference •Incest •Father/Son

My son, the superstud by Max Mann Thom is shocked to hear that his son Rusty has enrolled in a muscle-growth transformation experiment—and it’s already too late to stop him. Added Oct 2003 114k views 3.9 stars (33 votes) 3,842 words •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Age Difference •Incest •Father/Son

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Naked morph for ps2 by Male Enhancer Three brothers play a video game that has a direct effect on the people playing it. 4 parts Added Jun 2013 34k views 4.5 stars (28 votes) 3,180 words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Incest •Brothers

Necklace brothers by Levitate A pair of undersized twins use a magical necklace to grow themselves—not realizing that the growth came with a price. Added May 2015 21k views 3.0 stars (5 votes) 1,423 words •Muscle Growth •Muscle/Strength •Size Decrease •Size Increase •Incest •Brothers •Twins

The new job by hyperboi Out-of-work engineer Jake takes a job at an isolated mansion, where he’s overpaid for just guarding a gate and letting through mysterious trucks. He and his coworkers are getting slowly bigger and hornier, too, and all this seems really great except for a certain nagging doubt—and a terrifying warning from the hugest of his fellow guards. 8 parts Added Aug 2014 37k views 4.6 stars (41 votes) 20k words •Always Hard •Cock Growth •Huge Cock •Hyper Cock •Hyper Muscle •Muscle Growth •Muscle/Strength •Gradual Change •Size Increase •Incest •Brothers

New neighbors by BRK Jimmy is starting to enjoy his first summer with his newly acquired wishpower when a very sexy couple moves in next door. The only trouble is, Jimmy doesn’t immediately recognize the true nature of their relationship, and by the time he does, it’s already too late. 2 parts Added Jan 2016 19k views 4.5 stars (12 votes) 11k words •Huge Cock •Multicock •Age Difference •Incest •Father/Son

The new simulation game by hyperboi On a weekend home from college, while he’s waiting for his brother to come home (and avoiding his hateful dad and sneering stepmom), muscle nerd Simon screws around with a new sim game he’d lucked into beta-testing—a game that turns out to be a lot more realistic than he’d expected. 5 parts Added Mar 2016 29k views 4.8 stars (24 votes) 10k words •Cock Growth •Cockfucking •Huge Cock •Hyper Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Incest •Brothers

Nick by Anonymous Added Apr 2003 23k views 4.5 stars (4 votes) 1,846 words •Huge Cock •Incest •Brothers

The night shift by Dreamtransformer Added Dec 2013 13k views 2.0 stars (2 votes) 1,239 words •Muscle/Strength •Age Difference •Incest •Father/Son

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 51k views 4.5 stars (24 votes) 39k words (#92) •Cock Growth •Huge Cock •Hyper Cock •Cum inflation •Muscle Growth •Muscle/Strength •Size Increase •Incest •Brothers •Twins •Hypnosis

Noel’s literary gift by brazboy Luciano’s flatmate Noel decides to give him a special Christmas present: a notebook that guarantees that everything written in it is true. The notebook is as powerful as it sounds, although it also seems to be affected by Luciano’s desires and perhaps its own innate mischievousness, creating a snowball effect that twists the entire world. 3 parts Added Dec 2022 7,200 views 4.6 stars (15 votes) 12k words •Cock Growth •Cockfucking •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Nipcocks •Self-suck •Hyper Cum •Nipple Emissions •Public Orgasm •Multi-abs •Multi-balls •Multicock •Four Legs •Multiarm •Multileg •Multilimb •Multipec •Multitongue •Stacking •Straight to Gay •Muscle Growth •Public Nudity •Getting Handsomer •Voice Deepening •Getting Taller •Plausible Size Difference •Size Increase •Age Regression •Hyper Tongue •Tongue Growth •Retcon •Incest •Brothers •Christmas •Complete

Not just imagination by DarkDjin Jampson’s overactive imagination starts to grow his cop dad and his friends...and somehow not only does it become real, but the men are pretty into it. 2 parts Added Jun 2014 40k views 4.6 stars (38 votes) 11k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Suggestion •Age Difference •Incest •Father/Son

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 6,790 views 4.6 stars (19 votes) 21k words •Always Hard •Multi-abs •Multicock •Multihead •Four Legs •Lots of Legs •Multiarm •Multileg •Multilimb •Multitorso •Replication •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Always Shirtless •Public Nudity •Transformation •Getting Taller •Giants •Size Increase •App •Retcon •Incest •Brothers •Selfcest •Complete

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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 68k 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 •Selfcest •Twins •Nonconsensual change •Body Swap •Shared Body •Fourth of July •Gay Pride •Complete •Cannabis

Opportunities and escalations by BRK Brothers Coren and Pranam are diverted from their usual slightly roguish pursuits by an accidental teleport to a highly secure space station. Facing potentially dire accusations, Coren’s pilfering skills put them in possession of a device that might just alter the balance of things—and give Coren a chance to indulge in a bit of mischief aimed at his attention-loving brother. Added Apr 2023 1,803 views 2,564 words •Cock Growth •Huge Cock •Replication •Public Nudity •Mouthcock •Incest •Brothers •Selfcest •Nonconsensual change •Space Travel •April Fool’s Day

Overshadowed by Cris Kane Jealous of his jock older brother, gay misfit Lance gets a magical chance to change things. Added Apr 2019 7,903 views 2.6 stars (7 votes) 2,658 words •Other Mental Changes •Straight to Gay •Transformation •Incest •Brothers

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Perfectly normal by EdIam John is working on reality-bending science… but perhaps he should vet his employees a little more carefully. Added Jan 2021 7,395 views 4.5 stars (13 votes) 8,364 words •Always Hard •Other Mental Changes •Straight to Gay •Always Shirtless •Retcon •Incest •Brothers •Father/Son •Nonconsensual change

Pool party by FanTCMan Two young men are nervous but excited. They’re about to show off their muscle transformation in front of all the guys at the pool! Added Dec 2002 21k views 4.7 stars (9 votes) 1,575 words •Muscle Growth •Muscle/Strength •Getting Handsomer •Age Difference •Incest •Father/Son

The Porter Men by Inclytos The Porters are a family of perfect men, all uniquely perfect in their own way. It’s how it’s always been, right? 3 parts Added Oct 2022 11k views 4.7 stars (21 votes) 8,809 words •Cock Growth •Cock Shrinking •Huge Cock •Dom to Sub •Getting Dumber •Pec Fucking •Hyper Strength •Muscle Breast •Muscle Growth •Muscle/Strength •Always Shirtless •Butt Growth •Increased Libido •Retcon •Incest •Brothers •Father/Son •Twins •Dom/Sub •Sex-Slave

The power of suggestion by BRK On a long bus trip, Jordan can't help using his ability to suggest physical changes on his handsome seatmate, but things soon get out of hand. Added Feb 2009 45k views 4.8 stars (37 votes) 1,878 words •Cock Growth •Huge Cock •Multicock •Replication •Muscle Growth •Muscle/Strength •Size Increase •Retcon •Suggestion •Incest •Brothers •Selfcest •Twins •Complete

Princely duel by brazboy Haakon, First Prince of Niege, and Jarl, First Prince of Sneuve, have an escalating rivalry which is rocking all the Court of Lads. The ruler and master of the Court of Lads, amazing hunk Karl of Grenania, however, has a deep understanding of the situation and commands a solution a final settlement between the overmuscled twunks: a naked duel, in front of all the nobility. Added Sep 2023 666 views 6,591 words •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Muscle/Strength •Plausible Size Difference •Incest •Brothers

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

The Red Prince by brazboy Out of a weird arrangement a cursed prince is born, one who has an uncontrollable appetite for human flesh. As his unabated hunger leads him to consume more and more men, he transforms, gaining the body of a gigantic marvelously muscular giant. Who can stop him, and what will be the consequences of trying? 2 parts Added Aug 2023 2,674 views 4.6 stars (10 votes) 8,773 words •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Nipple Emissions •Extra Mouths •Multi-abs •Multi-balls •Multicock •Boytaur •Multiarm •Multileg •Multilimb •Multipec •Multitongue •Stacking •Hyper Muscle •Immobility •Muscle Growth •Gradual Change •Male Pregnancy •Transformation •Size Increase •Hyper Tongue •Tongue Growth •Incest •Brothers •Hetero Sex •Destruction/Violence •Blood •Nonconsensual change •Nonconsensual sex •Vore •Complete •Medieval(ish)

The runner by LenZelig Jake is out for a morning run when he meets up with someone who is more than a man and looking for a different kind of exercise. Added Jun 2020 9,055 views 4.8 stars (4 votes) 8,270 words •Huge Cock •Straight to Gay •Muscle/Strength •Suggestion •Age Difference •Incest •Brothers •Father/Son •Bisexual •Hetero Sex •Dom/Sub

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The salt by RdyRoger Trav gets his hands on some salts that cause all kinds of sexy growth and transformation. Using them on himself is great, but growing other people without their realizing it is even more fun. 9 parts Added Jun 2010 84k views 4.7 stars (19 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

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 79k views 3.9 stars (56 votes) 48k words (#70) •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

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 40k views 4.7 stars (25 votes) 29k words •Cock Growth •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers

Scratch-and-win by BRK Sometimes the lottery scratch-off isn’t about money at all. 2 parts Added Nov 2003 13k views 4.3 stars (6 votes) 2,762 words •Cock Growth •Huge Cock •Multicock •Incest •Twins

Secret Santa by BRK Joe’s crew at his new firehouse are destined to become very important to him, but the extent to which he’s more and more heart-thuddingly attracted to his handsome, well-muscled workmates worries him more than a little. 3 parts Added Dec 2016 16k views 5.0 stars (13 votes) 15k words •Cock Growth •Huge Cock •Multi-abs •Multiarm •Multileg •Multilimb •Three Legs •Replication •Muscle Growth •Muscle/Strength •Always Shirtless •Incest •Brothers •Selfcest •Christmas •Complete

Seeing stars by OneLuckyGuy89 12 young, muscular and beautiful men have begun protecting Starlight City. Adam Berry has been having weird dreams lately and has a feeling that his life is about to change. 2 parts Added Mar 2020 11k views 4.3 stars (7 votes) 8,520 words •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Gay to Straight •Muscle Growth •Muscle Gut •Getting Taller •Size Increase •Getting Hairy •Incest •Twins •Nonconsensual change •Infectious •Merging •Superhero/Supervillain

Sensational summer growth by OneLuckyGuy89 Todd and Aaron return home to their hometown of Portland as changed men. Now it’s time for them to change the rest of the town. 3 parts Added Apr 2022 14k views 5.0 stars (3 votes) 8,409 words •Cock Growth •Multicock •Straight to Gay •Muscle Growth •Man Scent •Butt Growth •Getting Handsomer •Voice Deepening •Getting Taller •Getting Hairy •Age Difference •Incest •Brothers •Father/Son

17 inches by Unknown Added Mar 2009 86k views 4.4 stars (22 votes) 3,639 words •Huge Cock •First Time/Virgin •Incest •Brothers

Shirtbusters by TFWizard Jared, Lance, and Lance’s father Ben discover a way to bust out of their shirts, and they can’t get enough of it. 2 parts Added Oct 2005 47k views 4.1 stars (15 votes) 6,769 words •Muscle Growth •Muscle/Strength •Size Increase •Age Difference •Incest •Father/Son

The shirtless club by BRK A cute, well-built teenager and his twin friends make a pact to keep their shirts off at all costs. 2 parts Added Jul 1997 37k views 4.6 stars (13 votes) 7,614 words •Huge Cock •Self-suck •Muscle/Strength •Always Shirtless •First Time/Virgin •Incest •Brothers •Twins •Complete

Sizemorph by ChangeRedhawk Added Mar 2003 19k views 3.7 stars (7 votes) 1,235 words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Incest •Brothers •Nonconsensual sex

The ski trip by Allan Cedar A group of multilimb guys get to know each other better in a secluded ski cabin. 2 parts Added Mar 2013 11k views 4.6 stars (5 votes) 4,768 words •Multicock •Multiarm •Multilimb •Incest •Twins

The smuggler by BRK Ardin is one of the best smugglers in the Seven Realms, and the heist he has planned to steal a valuable heirloom from the unsuspecting (and impossibly handsome) Prince of Kossh should be a piece of cake. What he’s not counting on is finding something else in the Prince’s treasure-room: an artifact evoking a mythical cock-themed beast that brings with it a sexual need so intense Ardin is unsure it can ever be quenched. 2 parts Added Apr 2021 3,903 views 4.7 stars (6 votes) 6,395 words •Huge Cock •Hyper Cum •Man Scent •Incest •Brothers •Twins •Fantasy Realm

Snow in the North Pole by iHeywood Snow doesn't know what to do with his life after barely graduating high school. Maybe Santa will have an idea. Added Dec 2022 2,050 views 4.3 stars (6 votes) 1,255 words •Huge Cock •Incest •Brothers •Father/Son •Christmas

The spectacular growing saga by West A collection of brief stories about guys discovering their dream bodies in various ways. 8 parts Added Mar 2022 16k views 4.6 stars (15 votes) 12k words •Cock Growth •Cut to Uncut •Cock Shrinking •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Prehensile Cock •Cum inflation •Hyper Cum •Nipple Emissions •Multi-abs •Multi-balls •Multicock •Multiarm •Multipec •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle Theft •Muscle/Strength •Increased Libido •Getting Taller •Forced Growth •Size Decrease •Size Increase •A.I.-Controlled Change •Retcon •Suggestion •Incest •Brothers •Triplets •Twins •Hyper Pheromones •Infectious •Androids/Cyborgs

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 226k views 4.4 stars (60 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

Spin the bottle by EdIam Matty lives in a pretty homophobic area with pretty homophobic friends, but maybe a magically-enhanced game of spin the bottle can help loosen them up? Added Aug 2021 5,178 views 3.8 stars (5 votes) 9,825 words •Huge Cock •Straight to Gay •Incest •Father/Son •Dom/Sub

The stolen stash by BRK Brothers Ron and Don break into a certain house normally occupied by a couple of pizza hunks and their friends, just for fun—and then things take an interesting turn when they find the occupants’ massive stash of highly unusual cannabis. Added Feb 2023 2,136 views 4.5 stars (2 votes) 2,601 words •Cock Growth •Multicock •Multiarm •Multileg •Multilimb •Three Legs •Transformation •Incest •Brothers •Twins •Shared Body •Complete •Cannabis

Sudden changes by BRK Ike woke up with a too-big hard-on that won’t quit and a constant, building need to orgasm that didn’t subside even when he came. And none of that changed the fact that he had to go to work. How the heck would he deal with this? 2 parts Added Dec 2021 15k views 4.8 stars (18 votes) 8,094 words •Always Hard •Cock Growth •Huge Cock •Muscle Growth •Increased Libido •Voice Deepening •Getting Taller •Getting Hairy •First Time/Virgin •Incest •Twins

Suggestions by Jack the Mindbender Jack is surprised by how quickly his hot stepfather goes from a closed book to jerking off right in front of him… Added Dec 2018 11k views 4.4 stars (10 votes) 2,749 words •Huge Cock •Suggestion •Age Difference •Incest •Father/Son •Mind Control

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A Tale of Two Brothers: Donnie & Marco by Artotter92 Two brothers end up the unwilling subjects of their father’s science experiments, with some pretty extreme results. Added Jan 2023 8,590 views 4.0 stars (12 votes) 3,937 words •Cock Growth •Ball Growth •Huge Balls •Huge Cock •Hyper Muscle •Muscle Breast •Muscle Growth •Muscle/Strength •Butt Growth •Increased Libido •Gradual Change •Transformation •Voice Deepening •Forced Growth •Size Increase •Age Progression •Getting Hairy •Incest •Brothers •Stories with Images

Target practice by Cris Kane Jake and Mark spot a pedestrian who would make a nice addition to the frat. Added Nov 2019 6,719 views 3.3 stars (3 votes) 1,635 words •Replication •Other Mental Changes •Muscle Growth •Muscle/Strength •Transformation •Incest •Selfcest •Twins •Nonconsensual change

Taste the rainbow by OneLuckyGuy89 Luke, Josh and Matt are called to New Orleans by their old friend, Jeremy. Luke’s 21-year-old son joins them, excited to be able to drink. The bar is known for making beer with fresh fruit in it, but little do they know the side effects they’re about to experience. Added May 2023 5,360 views 4.6 stars (10 votes) 2,497 words •Cock Growth •Ball Growth •Huge Cock •Muscle Growth •Voice Deepening •Getting Taller •Size Increase •Getting Hairy •Incest •Father/Son •Complete

Ten ways to get big and strong by BRK Cam and his band-geek buddies have a good laugh at a silly new poster in the gym listing ten ways to get big and strong, but when they sneak in after school and start writing in their own suggestions, things start to get a little weird. 4 parts Added Jun 2016 25k views 4.8 stars (21 votes) 13k words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Incest •Brothers

Three brothers by Wawa Three brothers get infected with a digital virus that grows them to their true selves. Added May 2022 11k views 3.8 stars (4 votes) 1,702 words •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Pec Fucking •Muscle Breast •Muscle Growth •Muscle Gut •Belly Growth •Giants •Size Increase •Getting Fatter •Incest •Brothers •Nonconsensual change

Three-legged bros by BRK Matteo’s stream-of-consciousness account of how, basically, the only thing hotter than having three legs is having an insanely hot brother with three legs. Added May 2020 4,889 views 4.9 stars (7 votes) 3,562 words •Multi-abs •Multicock •Multileg •Multilimb •Three Legs •Incest •Brothers •Complete

To a tee by Cris Kane Teddy is amazed to see how much his older brother has grown since going away to college. Added Dec 2019 10k views 4.8 stars (5 votes) 2,189 words •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Getting Taller •Incest •Brothers

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 23k views 4.8 stars (36 votes) 31k words •Huge Cock •Other Mental Changes •Muscle/Strength •Always Shirtless •Incest •Brothers •Complete

Toy story by LenZelig During a storm Bob stumbles across a strange webpage offering something called “The Ultimate Sex Machine”. Intrigued, he clicks “order”, expecting maybe a sophisticated sex toy. Instead he gets Randy, a hunk-shaped machine dedicated to ensuring that Bob experiences ultimate sexual possibilities from now on and willing to reshape reality to make it happen. 2 parts Added Jul 2002 30k views 5.0 stars (27 votes) 6,947 words •Muscle Growth •Muscle/Strength •Age Difference •Incest •Father/Son •Twins •Androids/Cyborgs •Space Travel •Complete

A true Villanueva by Architect of Men Austin knows his adopted family of Latino hunks truly loves him, but he can’t help feeling like he doesn’t quite belong. Fortunately, Dad Miguel always knows how to make things better. Added Jan 2022 5,092 views 4.8 stars (10 votes) 1,251 words •Muscle Growth •Race/Ethnicity Change •Getting Hairy •Incest

Tuesday by BRK My best bud Kev and I have a secret. Okay, it’s a really badly kept secret—I grow extras. But when Kev starts to change too, we soon find out there are lots of secrets at my school. 7 parts Added May 2003 29k views 5.0 stars (11 votes) 13k words •Extra digits •Multi-abs •Multicock •Multiarm •Multilimb •Multipec •Replication •Stretchy •Incest •Selfcest •Twins •Body Swap

Twin studs by Anonymous 3 parts Added Jul 2014 18k views 4.0 stars (22 votes) 43k words (#86) •Huge Cock •Multicock •Multiarm •Multilimb •Age Difference •First Time/Virgin •Incest •Brothers •Father/Son •Twins

Twin workout by pkak2k12 Mr. Average Charlie joins the gym only to find the only other early customers are Hank, the strong silent hunk from class and his twink twin, Jamie. Which will Charlie go for—Hank, Jamie, or both? 5 parts Added Nov 2022 5,910 views 4.5 stars (8 votes) 6,612 words •Huge Cock •Muscle/Strength •Incest •Brothers •Twins •Complete

Two brothers by Richard Jasper Will and Chris are brothers, four years and one week apart. They’ve always been close but then Will persuades his parents to buy him a weight set and their true love—muscle—is unleashed! This story has two endings, “No, They Don’t” and “Yes, They Do” (make of that what you will!). 7 parts Added Oct 2020 6,073 views 5.0 stars (2 votes) 7,269 words •Muscle Growth •Muscle/Strength •Gradual Change •Incest •Brothers

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Ultimate muscle by Ultra-Muscle Philip gets injected with what he wants most—something that will make him a big muscle man like his dad. Added Dec 2013 29k views 3.6 stars (7 votes) 1,418 words •Huge Cock •Muscle Growth •Muscle/Strength •Age Difference •Incest •Father/Son

Uncle C by Portowulf Charles finds a trinket at a small store in the city that brings unexpected changes. Added Jun 2020 8,213 views 5.0 stars (3 votes) 3,028 words •Cock Growth •Straight to Gay •Muscle Growth •Increased Libido •Size Increase •Age Progression •Age Regression •Age Difference •First Time/Virgin •Incest

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 118k views 4.9 stars (60 votes) 99k words (#24) •Cock Growth •Cock Pumping •Cockfucking •Ball Growth •Huge Balls •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

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Visiting home by Wicked Asher spent his entire first semester working out and gaining some serious muscle, but when he returns home for winter break, he doesn’t realize that he’ll be the one amazed by how much someone can change. 2 parts Added Jan 2016 41k views 4.8 stars (28 votes) 6,753 words •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Age Difference •Incest •Father/Son •Infectious

Vivid by BRK Alex sees a new neighbor moving in and lets his imagination build him up to new levels of sexiness. Added Nov 2022 5,217 views 4.9 stars (8 votes) 3,576 words •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Multi-abs •Multicock •Multiarm •Multileg •Multilimb •Three Legs •Muscle Growth •Muscle/Strength •Getting Handsomer •Gradual Change •Getting Taller •Plausible Size Difference •Mouthcock •Incest •Brothers •Triplets •Complete

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Werequeer by Pfieffer A dad helps his son through his first transformation into a WereQueer. Added Apr 2004 31k views 4.9 stars (18 votes) 2,426 words •Cock Growth •Huge Balls •Hyper Cock •Hyper Cum •Transformation •Age Difference •Incest •Father/Son

Werewolf High by BRK The star of a teen werewolf show has a nagging sense that something weird is happening to the show’s extremely muscular, hung, and horny cast and crew, but he can’t quite put his finger on what it is. 3 parts Added Jul 2014 36k views 4.5 stars (28 votes) 13k words •Always Hard •Cock Growth •Huge Cock •Hyper Cock •Extra digits •Multicock •Multiarm •Multilimb •Replication •Muscle Growth •Muscle/Strength •Size Increase •Incest •Selfcest •Triplets •Twins •Werewolves

What a dear deer boy by Thatbadwriter Eric’s undersized brother Jayden finally hits his growth spurt—then keeps hitting it. 5 parts Added Feb 2021 23k views 5.0 stars (17 votes) 12k words •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Butt Growth •Giants •Plausible Size Difference •Size Increase •Human to Animal/Anthro •First Time/Virgin •Incest •Brothers •Hyper Pheromones •Anthro/Furry

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 18k views 4.6 stars (16 votes) 39k words (#93) •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

Woody by BRK Woody’s been searching for his other half, but he doesn’t realize quite what that means, or what changes will happen when they meet. 2 parts Added Aug 2013 15k views 3.8 stars (4 votes) 4,705 words •Always Hard •Multicock •Size Increase •Incest •Brothers •Twins

Wordplay by BRK Pavel makes a case for his fellow boarding school students that there are a lot of body-related expressions in English, though his classmates aren’t aware of exactly how Pavel is proving his point. Added Aug 2015 16k views 4.8 stars (4 votes) 6,910 words •Cock Growth •Huge Cock •Multi-abs •Multicock •Multiarm •Multilimb •Muscle Growth •Muscle/Strength •Incest •Twins

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Y-M-C-Gay by M.M.69 An ordinary guy with an extraordinary ability gets the guy of his dreams. Added Nov 2021 8,722 views 4.8 stars (13 votes) 2,646 words •Always Hard •Cock Growth •Huge Balls •Huge Cock •Public Orgasm •Extra digits •Multi-abs •Multicock •Multihead •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Three Legs •Multitongue •Multitorso •Replication •Straight to Gay •Muscle Growth •Public Nudity •Getting Handsomer •Gradual Change •Getting Taller •Retcon •Suggestion •Incest •Father/Son •Selfcest

Z 1

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 48k 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

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