BRK

Growth Tag Group

Stories that fall into the tag group “Growth”. Tags in this group: Belly Growth; Butt Growth; Feeding; Foot Growth; Forced Growth; Getting Fatter; Getting Taller; Giants; Hyper Tongue; Inflation; Plausible Size Difference; Size Increase; Tongue Growth.

869 stories found. Total word count: 11,418,254.

A

A.I. by Corwin [ ] Tim’s homemade A.I. software decides to help him get huge. •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 Added Dec 2013 11 parts 30,556 words 66,369 views 4.8 stars (41 votes)
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. •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/... Added Apr 2013 Updated Dec 2018 28 parts 130,435 words 258,757 views 4.6 stars (104 votes)
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. •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 •Supernatural •Series Added Feb 2020 Updated May 2020 17 parts 124,798 words 23,110 views 4.9 stars (69 votes)
The accidental wizard by nolanspice [ ] Ken and Jay’s excursion into alchemy yields astounding results. •Cock Growth •Huge Cock •Replication •Muscle Growth •Muscle/Strength •Transformation •Voice Deepening •Plausible Size Difference •Size Increase •Age Regression •Race/Ethnicity Change Added Jan 2006 2 parts 2,926 words 26,233 views 4.3 stars (6 votes)
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. •Cock Growth •Huge Cock •Muscle/Strength •Pointy Ears •Transformation •Plausible Size Difference •Demons •Witch/Warlock/Wizard •Fantasy Realm •Shapeshifting •M/M •M/M/M Added Mar 2020 Updated Nov 2021 41 parts 40,366 words 26,115 views 5.0 stars (29 votes)
The acolytes by Richard Jasper [ ] It all started with an arm-wrestling contest. Blond surfer god Mike Schnelling, 5’10”, 175 lbs., wanted to take me on. Which was fine but I had 50 lbs. on him, all muscle. We never could have imagined how it would all turn out! •Cock Growth •Huge Cock •Hyper Cock •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Getting Hairy Added Aug 2020 7 parts 8,050 words 18,790 views 4.5 stars (11 votes)
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. •Huge Cock •Muscle Growth •Muscle/Strength •Giants •Size Increase •Incest •Brothers Added Nov 2016 2,350 words 49,853 views 4.3 stars (15 votes)
Adam’s fury by Chronologious [ ] Adam is sick and tired of being harassed and bullied at school and reaches his breaking point. Nobody is ever going to mess with him again. •Muscle Growth •Muscle/Strength •Giants •Size Increase •Destruction/Violence •M •M/M •M/M/M Added Apr 2021 Updated Apr 2022 6 parts 16,385 words 19,707 views 4.6 stars (8 votes)
Adam’s milk by Adam Zander [ ] Adam’s dreams of growing massive pec-tits like the wrestlers he admires come true—in spades. •Cock Growth •Hyper Cock •Nipple Emissions •Muscle Breast •Size Increase •Set in the Future Added May 2015 2 parts 2,600 words 48,915 views 3.4 stars (18 votes)
The adventures of Rex by Richard Jasper [ ] MLB Player Rex Chastain is dragooned into the service of a wizard but a magical transformation goes somewhat awry. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Size Increase •Race/Ethnicity Change •Demons •Ogres •Fantasy Realm •Series Added Feb 2020 6 parts 3,916 words 9,067 views 4.6 stars (5 votes)
Afternoon swim by Viva Wales [ ] •Cock Growth •Huge Cock •Hyper Cock •Foot Growth •Getting Taller •Size Increase Added May 2002 1,544 words 40,371 views 3.7 stars (7 votes)
Ah! my god by Josh Arima [ ] A short and much less awkward alternative story inspired by the manga/anime Oh My Goddess. •Cock Growth •Huge Cock •Replication •Muscle Growth •Muscle/Strength •Transformation •Inflation Added Jun 2005 4,325 words 31,911 views 4.6 stars (11 votes)
Aiden and Andrew by JB [ ] Two roommates have some fun, inside and out. •Muscle/Strength •Plausible Size Difference •Size Increase •Vore Added May 2019 3,441 words 12,531 views 4.6 stars (8 votes)
An airplane parasite by SomeMuscleGuy [ ] After bumping into the wrong person at the airport, Michael is infected with a parasite that was on its way to be destroyed. This parasite only has one goal in mind: Growth. Massive Growth. •Cock Growth •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Multi-abs •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Butt Growth •Foot Growth •Transformation •Voice Deepening •Getting Taller •Giants •Size Increase •Destruction/Violence •Nonconsensual change •Infectious •Aliens •Symbiotes •M Added Oct 2022 4,977 words 15,054 views 4.7 stars (25 votes)
Alex and the giant by JB [ ] Alex finds himself irresistibly attracted to a man who can change his size at will. •Giants •Plausible Size Difference •Size Decrease •Size Increase Added Jan 2019 4,284 words 17,314 views 4.5 stars (10 votes)
Alex in Wonderland by Anarchy A [ ] Alex follows mysterious man into a forest, and quickly finds himself in a strange new world, deep below the ground. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Hyper Muscle •Muscle Growth •Muscle/Strength •Size Decrease •Size Increase •M/M Added Jan 2016 Updated Apr 2017 3 parts 6,184 words 44,070 views 4.4 stars (43 votes)
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. •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 •Complete •M/M •M/M/M Added Feb 2017 Updated Oct 2022 111 parts 131,752 words 201,142 views 4.6 stars (145 votes)
All Hallows’ revelry by Element53 [ ] Jake is invited to a Halloween bonfire by a hunky stranger, and he quickly learns how much fun a little revelry can be. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Supernatural •Halloween •M/M •M/M/M Added Oct 2020 5,277 words 9,101 views 4.4 stars (7 votes)
All kinds of jobs by Musiker [ ] Dale was straight before his transformation, but his transformation included becoming pansexual. It's time, with Max's help, for Dale to be introduced to gay sex. •Huge Cock •Straight to Gay •Muscle/Strength •Human to Animal/Anthro •Hyper Tongue •Sex-Slave •Anthro/Furry •Series Added Dec 2019 6,182 words 8,177 views
All or nothing by Double-U [ ] Take a step into Allan Rader’s thoughts and explore a strange new casino that hasn’t opened up to the public yet. Will Allan get some BIG returns? •Muscle Growth •Muscle/Strength •Size Increase Added Sep 2016 2,154 words 13,089 views 3.5 stars (13 votes)
Alpha by CharitysSongbird [ ] Used to being smaller than his office mates, especially his crush Tavy, Ritzy is stunned when he suddenly starts getting bigger and furrier, even as the impulse to dominate seeps into his personality. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Muscle Growth •Muscle/Strength •Transformation •Getting Taller •Size Increase •Dom/Sub •Anthro/Furry •Werewolves •M/M Added Aug 2018 14,259 words 40,811 views 4.7 stars (12 votes)
Alpha fitness by Genetonic [ ] High school nerd Jeff keeps getting bullied by muscle jock Travis… until he has a lucky encounter with the new ‘Alpha’ brand clothing line. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Foot Growth •Getting Taller •Size Increase •Getting Hairy •Humiliation Added Mar 2021 2,712 words 14,658 views 4.4 stars (10 votes)
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. •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 •Series •M/F •M/M Added Jan 2022 Updated Dec 2022 12 parts 50,362 words 62,569 views 4.9 stars (192 votes)
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... •Cock Growth •Huge Cock •Hyper Cock •Multiarm •Multilimb •Replication •Muscle/Strength •Plausible Size Difference •Size Increase •Incest •Twins •M/M Added Jul 2011 2 parts 5,265 words 27,898 views 4.9 stars (14 votes)
Altered by Dream Big [ ] Chris wakes up in a strange laboratory, only to learn he’s one of a number of subjects in a mysterious program that involves alterations to the male human body. At least the guy they have looking after him seems sympathetic… and very, very sexy. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Human to Animal/Anthro •Getting Hairy •Nonconsensual change •Restraints •Hyper Pheromones Added Jan 2020 Updated Dec 2020 6 parts 10,616 words 24,853 views 4.8 stars (20 votes)
American giants by Jonathan Banner [ ] Johnny is introduced into a world of big men who are growing enormous cocks. •Cock Growth •Huge Cock •Foot Growth •M/M •M/M/M Added Jan 2015 6 parts 26,948 words 46,680 views 4.7 stars (53 votes)
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. •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Series Added Jan 2014 5 parts 22,602 words 23,649 views 4.0 stars (5 votes)
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. •Cock Growth •Huge Cock •Hyper Cock •Multicock •Multihead •Multilimb •Male Pregnancy •Transformation •Size Increase •Anthro/Furry •Centaurs •Demons •Orcs •M/M •M/M/M Added Sep 2019 Updated Mar 2020 6 parts 32,475 words 21,676 views 4.9 stars (28 votes)
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… •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Giants •Size Increase •Incest •Brothers •Father/Son •Destruction/Violence •Complete •M Added Nov 2020 1,226 words 20,579 views
Another nerd story by Sithspawn [ ] Ollie is your typical nerd who asks his neighbour for help dealing with the local bully. Tom offers some advice that leads to an encounter he'll never forget. •Cock Growth •Huge Cock •Hyper Strength •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Nanotech •M/M Added Apr 2020 Updated May 2020 2 parts 9,072 words 15,900 views 4.7 stars (10 votes)
Anthony by Chronologious [ ] Jack is having vivid dreams about his friend. Pure imagination or a sign of what’s to come? •Cock Growth •Muscle Growth •Getting Taller •Giants •Plausible Size Difference •Size Increase •Destruction/Violence •M/M Added Mar 2021 Updated Apr 2021 6 parts 16,429 words 19,591 views 4.9 stars (16 votes)
Antony Smith by Locky [ ] •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Foot Growth •Gradual Change •Getting Taller •Giants •Size Increase Added Dec 2004 3 parts 3,474 words 33,502 views 3.7 stars (10 votes)
Anything to grow by Big Bull Trainer [ ] There are some with an unquenchable desire to not only grow, but to grow to unnaturally large proportions, and will go to any lengths to do it. This is a story of just such a person. •Getting Dumber •Immobility •Muscle Growth •Muscle/Strength •Transformation •Size Increase Added Aug 2016 7,815 words 42,912 views 4.4 stars (16 votes)
The apartment by BRK [ ] Sometimes what you need in a new apartment has more to do with what’s missing in your life. •Cock Growth •Huge Cock •Other Mental Changes •Muscle Growth •Getting Taller •Retcon •Complete Added Apr 2020 3,385 words 10,765 views 4.5 stars (13 votes)
An app for the ages by Seth Peterson [ ] An app that can change people on a whim? A totally ego-maniacal straight boy with a strong distaste toward his nerdy, unappreciative roommate? Well, things can only get more exciting from here, can’t they? •Cock Growth •Huge Cock •Butch-to-Fem •Getting Dumber •Straight to Gay •Muscle Breast •Muscle Growth •Muscle/Strength •Getting Taller •Getting Hairy •App •Nonconsensual change •M/M Added Dec 2018 3,147 words 31,802 views 4.9 stars (28 votes)
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. •Muscle Growth •Muscle/Strength •Muscle Worship •Size Increase •Getting Hairy •App •Anthro/Furry •M/M Added Apr 2015 8 parts 44,454 words 46,024 views 4.9 stars (22 votes)
Are you sure by Dream Big [ ] Suddenly awash with money, Bill takes the plunge and follows the stories of secretly augmented men and women to a remote lab where they promise to fix everything he doesn’t like about his body. •Cock Growth •Huge Balls •Huge Cock •Self-suck •Hyper Cum •Muscle Growth •Muscle/Strength •Getting Handsomer •Getting Taller •Size Increase •Race/Ethnicity Change •Bisexual •Hetero Sex Added Nov 2019 5 parts 6,234 words 14,771 views 4.4 stars (5 votes)
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. •Cock Growth •Huge Cock •Multi-abs •Multiarm •Multilimb •Muscle Growth •Transformation •Getting Taller •Size Increase •Fantasy Realm •Complete •Series •M/M Added Aug 2020 10 parts 25,798 words 8,259 views 4.9 stars (10 votes)
Arthur, the young titan by TonnyGiant [ ] This is the story of how I met Arthur, and how he became a giant, and how he dominated everything and everyone ... and how he won my heart in respect and worship. And today I can say, we love each other. •Muscle/Strength •Giants •Size Increase •Destruction/Violence •Dom/Sub •M/M Added Dec 2016 Updated Feb 2017 6 parts 12,165 words 27,779 views 4.4 stars (36 votes)
As you please by Ybara Montefiore [ ] Todd stumbles upon a training camp that offers him a guaranteed routine to make him grow, but he worries what the program might be hiding. •Muscle Growth •Gradual Change •Getting Taller •Size Increase •M Added Aug 2022 Updated Oct 2022 7 parts 12,635 words 18,842 views 5.0 stars (30 votes)
Ascension Escape Games by SomeMuscleGuy [ ] Welcome to Ascension Escape Games where you have two hours to escape the largest Escape Room in the world—alone! But be careful, if you aren’t quick enough, you may just grow too large before you can find a way out. •Cock Growth •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Multi-abs •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Butt Growth •Foot Growth •Transformation •Voice Deepening •Getting Taller •Giants •Size Increase •Destruction/Violence •Nonconsensual change •M Added Oct 2022 6,147 words 7,967 views 4.8 stars (17 votes)
The attack of Tchutchuca by brazboy [ ] A weird phenomenon takes place in the old colonial city of Paraty: after a strong tide, the sea turns a bit sweet, and its scent is enough to drive the males in the small town mad. Some say it’s the work of the devil, others swear it down to the old local monster Tchutchuca. The state government sends a biologist to investigate, but there is little to be done other than witness history. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Multicock •Straight to Gay •Muscle Growth •Increased Libido •Gradual Change •Getting Taller •Plausible Size Difference •Size Increase •M/M/M/... Added Jul 2022 Updated Jun 2022 8,430 words 4,678 views 4.5 stars (6 votes)
Attil|a|rt by LAComplex [ ] The 15-foot phenomenon Attila pays a visit to the world-famous Michelangelo’s David statue, having decided to offer to the world a new reference for manliness and virility. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Giants •Size Increase •Destruction/Violence Added Mar 2019 7,032 words 11,695 views
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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Man Scent •Getting Handsomer •Size Increase •Set in the Future •Series Added Jan 2014 18 parts 98,808 words 39,829 views 4.1 stars (9 votes)
Awakening by BRK [ ] Life doesn't make a lot of sense, what with the normality of people that shouldn’t be normal at all, but it all starts to make more sense when Steve encounters someone who’s different in a way he never expected. •Huge Cock •Multicock •Plausible Size Difference •M/M Added Oct 2003 2,659 words 16,530 views
Away game by spacevlad [ ] College freshman Adam is the smallest guy on the football team. On an away game road trip, he gets paired up to room with Wyatt, the biggest offensive lineman on the team. Adam tries to control himself as they are forced to share a bed, but Wyatt’s massive body is hard to resist. •Muscle Growth •Muscle Gut •Muscle/Strength •Plausible Size Difference •Size Increase Added Dec 2017 2 parts 6,307 words 28,197 views 4.4 stars (21 votes)

B

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! •Cock Growth •Muscle Growth •Muscle/Strength •Getting Taller •Incest •Brothers Added Mar 2003 2,879 words 118,945 views 4.4 stars (40 votes)
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. •Cock Growth •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Retcon •Suggestion •Incest •Brothers •M/M •M/t Added Sep 2022 1,619 words 8,600 views 4.6 stars (22 votes)
Bait and tackle by Ziel [ ] Sapp continues his size-draining activities. This time against the speed and power of a hero called Linebacker. •Cock Growth •Cock Shrinking •Muscle Growth •Muscle Theft •Size Decrease •Size Increase •Humiliation •Superhero/Supervillain •Series Added Apr 2020 5,442 words 13,628 views 4.8 stars (5 votes)
Bakecraft and broomsticks by Ferin Rosca [ ] A new bakery opened in town. You just gotta try their sweets, they are absolutely life changing! •Cock Growth •Muscle Growth •Transformation •Plausible Size Difference •Size Decrease •Orcs •Supernatural •M/M Added Oct 2022 Updated Feb 2023 3 parts 6,447 words 6,331 views 4.9 stars (14 votes)
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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •First Time/Virgin •Incest •Brothers •Twins •Bisexual •Hetero Sex •Dom/Sub •M/F •M/M •M/M/F •M/M/M Added Nov 2017 Updated Dec 2017 2 parts 29,433 words 13,822 views 5.0 stars (10 votes)
Ballooning bros by Musclesaber [ ] Commission for Anonymous: After drinking a mysterious shake, Brandon’s crush, Ryan, takes him back to the locker room for a different kind of blowjob. •Cock Growth •Huge Cock •Size Increase •Inflation •M/M Added Jul 2022 3,412 words 5,600 views 4.0 stars (6 votes)
The band by BRK [ ] Eager to improve his personal appearance for the sake of the band he’s fronting, Ryan finds a solution that involves dramatically changing how he looks. Now he just has to keep the weird parts of it secret from his friends and roommate. •Huge Cock •Hyper Cock •Multiarm •Multilimb •Replication •Muscle Growth •Plausible Size Difference •Size Increase •Suggestion •Complete •M/M •M/M/M Added May 2002 2 parts 7,461 words 20,151 views 4.7 stars (17 votes)
Barbaric times by alwaysmyway [ ] Hockey star Brett is seething with anger and bitterness after his rival has taken his leadership of the team and his girl, when a strange voice offers to show him the barbarian path to revenge. •Cock Growth •Huge Cock •Other Mental Changes •Muscle Growth •Muscle/Strength •Size Increase •Getting Hairy •Destruction/Violence •Rape •Supernatural •t •t/t Added Aug 2012 3,449 words 20,825 views 4.3 stars (7 votes)
A Barber story: The Titan Brothers by Ogrebear [ ] Two men from opposite ends of life get a world-changing haircut. •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 •M/M Added Dec 2022 5,252 words 4,599 views 5.0 stars (8 votes)
The barista who fattened me up and stole my beta by BigManBigBelly [ ] Once upon a time, I lived as the alpha in my own life. Then this happened and everything changed. •Belly Growth •Getting Fatter •M/M Added Dec 2021 4,948 words 5,534 views
Basically a god by CurlyJin [ ] What do you do when the kid you bullied in high school becomes a god? •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 Added Jul 2016 Updated Jun 2019 9 parts 31,027 words 76,588 views 4.3 stars (23 votes)
Baxter prep by BRK [ ] A candid interview with the man who admitted dosing the stars of his reality TV show, Baxter Prep, with serums that altered their bodies—without their knowledge. •Muscle Growth •Muscle/Strength •Size Increase •M/M •t/t Added May 2011 2,040 words 22,231 views 4.4 stars (5 votes)
The bear’s cub by CurlyJin [ ] A giant man calling himself Bear takes in a young man just entering a nearby college. •Huge Cock •Hyper Cock •Muscle/Strength •Plausible Size Difference •First Time/Virgin Added Jul 2016 Updated Aug 2016 3 parts 11,777 words 21,605 views 3.9 stars (9 votes)
Bear’s den by Pfefferooney [ ] David is a small university student and he wants nothing more than to be, and be with, an enormous man. On a fateful day, he stumbles upon someone who can make his dream come true. •Cock Growth •Cockfucking •Huge Balls •Huge Cock •Hyper Cock •Nipple Emissions •Muscle Growth •Muscle/Strength •Belly Growth •Size Increase •Getting Hairy •Infectious •M/M Added Mar 2019 Updated May 2019 3 parts 9,022 words 32,234 views 4.8 stars (14 votes)
BEASTer egg hunt by Ziel [ ] Life comes at you fast, and sometimes Easter comes at you faster. Mark stumbles upon some candy filled plastic eggs which lead to some much bigger things. •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Size Increase •Easter Added Apr 2021 4,149 words 7,556 views 3.8 stars (9 votes)
Beauty is in the eye of the beholder by Transformheaven [ ] Nerdy Andrew has a crush on a cheerleading bimbo. He gains an app that allows him to make changes to his body. How will this end? •Cock Growth •Huge Cock •Hyper Cock •Getting Dumber •Straight to Gay •Hyper Muscle •Muscle Growth •Getting Taller •App •Retcon •Misogyny •M/M Added May 2022 5,327 words 9,668 views 4.3 stars (8 votes)
Becoming a family of their own by TreborNawoc [ ] It’s date night for Alex and Dylan, and Alex has plans to make the evening truly special. •Huge Cock •Hyper Cock •Extra digits •Extra facial features •Extra Mouths •Multi-abs •Multi-balls •Multicock •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Three Legs •Gradual Change •Transformation •Getting Taller •Hyper Tongue •Series •M/M Added Aug 2022 Updated Oct 2022 6 parts 20,301 words 4,428 views 5.0 stars (156 votes)
Becoming a muscle god by Corwin [ ] Mike discovers what it's like to become a muscle god, and how awesome it is to turn the tables on the coach who’d thought he’d get to dominate the newly-grown Muscle Mike. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Giants •Size Increase •Dom/Sub Added Apr 2018 3,083 words 29,622 views 4.6 stars (9 votes)
Becoming the ultimate man by musclestory [ ] When a man’s ultimate dream becomes his ultimate reality. •Cock Growth •Huge Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Voice Deepening •Giants •Size Increase •Getting Hairy Added Aug 2003 4,565 words 86,263 views 4.4 stars (20 votes)
Bedmate by BRK [ ] Ardo passes out in a hospital but wakes up in a strange bed in a comfortable, if empty, room. And there’s a odd figure of a man looming in the doorway, waiting for him to wake up. •Multicock •Multiarm •Multilimb •Muscle/Strength •Getting Taller •M/M Added Sep 2016 2 parts 6,248 words 11,276 views 4.6 stars (7 votes)
Beefcake by Zero [ ] They say you are what you eat—especially true for magical foodstuffs with growth-inducing powers—and wimpy freshman Bradley is about to take a bite. •Cock Growth •Huge Cock •Pec Fucking •Muscle Growth •Muscle/Strength •Butt Growth •Getting Handsomer •Getting Taller •Size Increase Added Feb 2021 1,591 words 14,738 views 4.5 stars (11 votes)
The beefening by Benjamin Skipper [ ] Spencer's roommates have been growing into huge hulking beasts, focused on working out, having sex… and now, turning Spence into one of them! •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle Gut •Muscle/Strength •Plausible Size Difference •Size Increase •Getting Hairy •Dom/Sub •Nonconsensual change •M/M •M/M/M Added Feb 2018 2,274 words 49,310 views 4.5 stars (34 votes)
Being accompanied by a wolf by BeCreative [ ] Jared works in solitary as a lumberjack, but one day he meets a very special companion. •Cock Growth •Huge Balls •Huge Cock •Self-suck •Cum inflation •Hyper Cum •Muscle Growth •Muscle/Strength •Muscle Worship •Voice Deepening •Plausible Size Difference •Size Increase •Anthro/Furry •Werewolves •Complete Added Jun 2021 4 parts 11,476 words 10,979 views 4.6 stars (10 votes)
Ben gets huge by spacevlad [ ] Matt, a kicker on a college football team, befriends Ben, a burly, bearish, muscular offensive lineman with a desire to get bigger. Matt is … able to help him with that. •Hyper Cum •Muscle Growth •Muscle Gut •Muscle/Strength •Man Scent •Giants •Plausible Size Difference •Size Increase Added Jun 2016 8 parts 17,849 words 64,897 views 4.3 stars (43 votes)
The Benefactor by Proteus [ ] The Benefactor bestows favor on those he deems worthy, whether they like it or not. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Immobility •Muscle Growth •Muscle Gut •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Nonconsensual change •Supernatural •M/M Added Jan 2020 Updated Apr 2021 14 parts 15,351 words 34,083 views 4.8 stars (22 votes)
Benefit of the doubt by BRK [ ] Pete decides to do something about the way people always underestimate him because of his size. His first step is to get a tattoo... •Cock Growth •Huge Cock •Hyper Strength •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Gradual Change •Voice Deepening •Getting Taller •Size Increase •Retcon •M/M Added May 2022 3 parts 5,953 words 10,607 views 4.9 stars (20 votes)
The berries down by the creek by Krisiar [ ] Jack hangs out with his friend and crush, Kurt, which leads to an encounter with a bush sporting some unusual berries. •Cock Growth •Hyper Cock •Prehensile Cock •Nipple Emissions •Multi-abs •Muscle Growth •Muscle/Strength •Size Increase Added May 2011 3,567 words 51,072 views 4.4 stars (11 votes)
The berry by rm20 [ ] •Immobility •Transformation •Size Increase •Inflation •Nonconsensual change •Demons •Horror •M/Inh Added Apr 2006 1,134 words 12,475 views
Best laid plans by Slammdru [ ] Everything goes wrong trying to enhance a subject into a vessel of sexual energy. •Cock Growth •Cockfucking •Huge Balls •Huge Cock •Hyper Cock •Size Increase •Nonconsensual change Added May 2018 1,111 words 12,975 views 2.9 stars (15 votes)
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. •Muscle Growth •Muscle/Strength •Size Increase •Suggestion •t/t Added Oct 2012 4 parts 31,784 words 39,803 views 4.8 stars (24 votes)
Bet you can’t have just one by Ziel [ ] Vincent was given pretty clear instructions with the new growth supplement his pal invented: “Only take one pill.” •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Giants •Size Increase Added May 2017 5,605 words 32,333 views 4.8 stars (8 votes)
Beyond ascension by lazlostrange [ ] It has long been accepted by natural belief that no man could possess divine gifts. But what could happen when one particular man becomes an exemption? •Hyper Strength •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Superhero/Supervillain •Flying Added Jul 2021 1,530 words 5,320 views
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. •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) •M/M •M/M/M/... Added Feb 2023 6 parts 10,358 words 2,154 views 4.8 stars (10 votes)
Beyond the gate by Ziel [ ] A pair of pilgrims makes their way to the holy land and find out firsthand what lies beyond the gate. •Huge Cock •Hyper Cock •Giants •Size Increase Added Jun 2018 4,378 words 8,124 views 4.2 stars (5 votes)
Big little rich boy by Richard Jasper [ ] Sometimes family drama makes you realize what matters—and who. •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase Added May 2003 Updated Feb 2020 8 parts 7,077 words 29,097 views 4.7 stars (12 votes)
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. •Hyper Muscle •Muscle Growth •Muscle/Strength •Getting Handsomer •Size Increase •Destruction/Violence Added Oct 2014 22,377 words 29,964 views 4.6 stars (15 votes)
Big project by muscl4life [ ] •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase Added Nov 2013 Updated Dec 2013 5,273 words 20,831 views
The big two-five by Ziel [ ] Brian’s friends help him celebrate the big two-five—there’s even a cake (well, a cupcake) and a candle to blow out. All he has to do is make a wish! •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Getting Taller •Giants •Size Increase •Metabods 25 •M/M/M Added Feb 2022 3,574 words 6,962 views 4.9 stars (7 votes)
A big year by Dancer [ ] Andy gets a big surprise when a fortune teller tells him he will have big gains this year. •Cock Growth •Huge Cock •Immobility •Muscle Growth •Muscle/Strength •Gradual Change •Plausible Size Difference •Size Increase •M/M Added Mar 2018 4,317 words 22,420 views 4.7 stars (33 votes)
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? •Always Hard •Cock Growth •Huge Cock •Hyper Cock •Multi-abs •Straight to Gay •Muscle Growth •Muscle/Strength •Muscle Worship •Size Increase •Series Added Dec 2013 6 parts 46,984 words 131,500 views 3.9 stars (22 votes)
Bigger issues: Ultimate growth by muscl4life [ ] •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Increased Libido •Size Increase •Infectious •Series Added Nov 2013 Updated Dec 2013 6 parts 31,808 words 42,128 views 4.4 stars (7 votes)
Biological inheritance by Frank Easky [ ] Sean discovers he had been magicked into early maturation to prevent his growth. The mage who imparted this information then attempts to set things right. Will Sean grow into his true biological inheritance? •Cock Growth •Huge Balls •Hyper Cock •Muscle Growth •Muscle/Strength •Size Increase •Witch/Warlock/Wizard Added Jul 2002 5,755 words 48,919 views 4.1 stars (10 votes)
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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Nonconsensual change •Aliens •Symbiotes •Series Added Oct 2018 Updated Dec 2019 14 parts 23,531 words 19,336 views 4.9 stars (15 votes)
A blended harmony experiment by IamYurNayboor [ ] A very short young crewman and an older, very tall officer get merged during an emergency evacuation in space to a strange and distant planet. •Cock Growth •Huge Cock •Muscle Growth •Getting Taller •Merging •Mind Control Added Feb 2018 Updated Jul 2018 3 parts 4,367 words 12,372 views
Blessed by the moon by Saaruu [ ] Ritzy gets back from work, exhausted. He gazes at the moon, which somehow feels… different from usual. His roommate comes back home and they both enjoy a nice adult film when the werewolf in Ritzy decides to go wild. Really wild. And big. •Hyper Cock •Cum inflation •Hyper Cum •Muscle Growth •Transformation •Size Increase •Anthro/Furry •Werewolves •M/M Added Sep 2018 3,700 words 17,929 views 4.1 stars (8 votes)
A blessing in disguise by Jo Psmythe [ ] Colin, an over-stressed college student, meets the man of his dreams in Chris. But Chris has a secret that might drive them apart—or bring them even closer together. •Cock Growth •Huge Cock •Hyper Cock •Extra digits •Multi-abs •Multihead •Multiarm •Multilimb •Multipec •Stacking •Stretchy •Plausible Size Difference •Size Decrease •Size Increase •Suggestion •Vore Added Sep 2019 5,422 words 12,086 views 5.0 stars (10 votes)
A blessing or a curse by richard handy [ ] For the crime of desecration, forgotten Egyptian gods decide to punish Andy... though in a way he might also enjoy. •Cock Growth •Huge Balls •Hyper Cock •Muscle Breast •Size Increase Added May 2015 1,915 words 28,097 views 3.5 stars (26 votes)
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. •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Size Increase •Incest •Twins •Nonconsensual change •Vampires •Werewolves •Halloween •M/M Added Nov 2013 Updated Dec 2013 3 parts 9,393 words 27,299 views 4.4 stars (8 votes)
Bloody pumpkin fuckers by NioSatyr [ ] Three frat bros go into the dark forest on Halloween. The blood moon shining on a wild pumpkin patch promises growth and transformation. •Always Hard •Cock Growth •Cockfucking •Huge Balls •Huge Cock •Nipcocks •Prehensile Cock •Hyper Cum •Nipple Emissions •Multi-balls •Multicock •Multiarm •Multipec •Stacking •Wings •Getting Dumber •Straight to Gay •Hyper Muscle •Muscle Breast •Muscle Growth •Stretchy •Increased Libido •Transformation •Getting Taller •Giants •Plausible Size Difference •Size Increase •Human to Animal/Anthro •Getting Hairy •Hyper Tongue •Tongue Growth •Mouthcock •Tailcock •Plants •Anthro/Furry •Dragons •Werewolves •Supernatural •Halloween •M/M/M Added Oct 2021 7,196 words 13,507 views 4.8 stars (11 votes)
Blooming season by brazboy [ ] Heitor is a member of a sexual minority looking for an accommodating place in which to live downtown—hard to do on a budget. Thankfully, Samuel is looking for someone to share the bills with, and is also a member of a different sexual minority which has its own set of challenges. Living together will prove to be more engaging than either of them had in mind. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Muscle/Strength •Increased Libido •Getting Fatter •First Time/Virgin •Hyper Pheromones •Series •M/M Added Oct 2021 8,442 words 6,216 views 4.5 stars (11 votes)
The blue banana by BRK [ ] Mike unknowingly eats an artifact of the universe. •Always Hard •Cock Growth •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •Size Increase •Suggestion •Complete •Series •M/M Added Jan 2015 3,507 words 37,633 views 4.7 stars (50 votes)
The blue daiquiri by BRK [ ] Another artifact of the universe makes an appearance, this time at a loft party to celebrate the pilot Henry scripted, Ice City, going to series. If only Henry were having as much success figuring out his feelings for his sweet but ordinary-looking roommate, Gavin. •Cock Growth •Huge Cock •Multicock •Multihead •Multiarm •Multilimb •Muscle Growth •Muscle/Strength •Getting Handsomer •Getting Taller •Suggestion •Complete •Series •M/M Added Oct 2017 9,647 words 10,458 views 5.0 stars (12 votes)
The blue paramour by BRK [ ] Quint, a high-end sex-line agent, likes to explore his callers’ secret fantasies with them. But things go a little differently after a lunch that happened to include a certain artifact of the universe. •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Multi-abs •Multicock •Multihead •Multiarm •Multilimb •Three Legs •Multipec •Stacking •Pointy Ears •Getting Taller •Retcon •Suggestion •Ogres •Complete •Series Added Aug 2019 5,132 words 7,678 views 5.0 stars (9 votes)
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… •Always Hard •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Multiarm •Multilimb •Multitongue •Replication •Muscle Growth •Muscle/Strength •Stretchy •Getting Taller •Mouthcock •Incest •Twins •Merging •Supernatural •Halloween •Complete •Series •M/M •M/M/M •M/M/M/... Added Oct 2020 6 parts 8,774 words 9,149 views 4.9 stars (18 votes)
The blue reception by BRK [ ] Miserable and alone at his cousin’s high-society wedding reception, Christopher unknowing partakes of a blue-banana fruit salad he mistakes for haute cuisine—right before he starts talking up his hunky, successful, and totally nonexistent boyfriend. •Cock Growth •Huge Cock •Multicock •Muscle Growth •Increased Libido •Getting Handsomer •Voice Deepening •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •Tongue Growth •Immortality •Complete •Series •M/M Added Mar 2023 4,701 words 3,355 views 5.0 stars (5 votes)
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. •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Man Scent •Feeding •Gradual Change •Plausible Size Difference •Christmas •Thanksgiving •Alcohol •Series •M/M Added Feb 2023 Updated Mar 2023 4 parts 14,527 words 9,945 views 5.0 stars (40 votes)
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… •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Muscle Growth •Stretchy •Size Increase •Lycra/Spandex •Rubber/Latex •Superhero/Supervillain •M/M •M/M/M Added Dec 2020 Updated Dec 2022 15 parts 53,632 words 56,839 views 4.9 stars (59 votes)
Body game by BRK [ ] In an experimental story based on changes generated randomly by a computer program, the already well built Marcus is invited to a warehouse where he and four others play a strange game that, turn by turn, makes their bodies randomly freakier and freakier. •Cock Growth •Huge Cock •Extra digits •Multi-abs •Multicock •Multilimb •Replication •Muscle Growth •Muscle/Strength •Size Increase •Mouthcock •Complete •Series •M/M Added Aug 2014 13,161 words 31,593 views 4.7 stars (30 votes)
Body game: Encounter 1000 by NBCK99 [ ] For the milestone thousandth encounter, six body game alumni bring their already-transformed bodies to the circle, and discover what the game’s like the second time around. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Multicock •Multiarm •Multilimb •Muscle Growth •Muscle/Strength •Detachable •Giants •Plausible Size Difference •Series Added Oct 2018 4,647 words 8,144 views 4.3 stars (9 votes)
Body game: Encounter 56 by matt1008 [ ] In a prequel to BRK’s Body game, another set of six hot guys experience the dramatic and unexpected changes the Body Game can produce. •Cock Growth •Huge Balls •Huge Cock •Nipcocks •Multicock •Muscle Growth •Muscle/Strength •Voice Deepening •Size Increase •Mouthcock •Series Added Feb 2016 10,418 words 18,224 views 4.8 stars (12 votes)
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. •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 •Series •M/M •M/M/M Added May 2016 Updated Jun 2021 9 parts 49,136 words 38,681 views 4.9 stars (27 votes)
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. •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 Added Apr 2021 Updated Aug 2021 9 parts 22,376 words 41,132 views 4.8 stars (46 votes)
The bonding by NBCK99 [ ] Roy is reluctant to meet up with Cody, the hottie he’d met online—even more so because they’re meeting up at a dance club, and Roy didn’t do clubs. But Cody manages to get Roy to see things his way, though not without some surprises for Cody, too. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Age Regression •Retcon •Suggestion •M/M Added Apr 2016 7,120 words 18,046 views 4.8 stars (13 votes)
The book in the basement stacks by BRK [ ] Eric reluctantly takes refuge from a storm in his college’s enormous and ancient library, and soon finds himself exploring parts of the stacks best left alone. •Cock Growth •Multi-abs •Muscle Growth •Muscle/Strength •Getting Handsomer •Gradual Change •Transformation •Getting Taller •Size Increase •Nonconsensual change •NS Added Oct 2021 2,887 words 9,544 views 4.6 stars (14 votes)
Book of Adam by World Muscle [ ] The story of Adam begins with a young man who just wants to have confidence in himself and his body. Little did he know that wishes are a powerful thing. •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •NS •t Added Nov 2020 Updated Feb 2021 2 parts 6,775 words 11,794 views 5.0 stars (9 votes)
The book of desires by SomeMuscleGuy [ ] After stealing a corrupted book at the gym, Michael is left growing uncontrollably by a Symbiotic Demon that only wants to swell its victims with the most size possible. But even the demon underestimates just how gigantic Michael wants to become. •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Multi-abs •Addiction •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle Worship •Public Nudity •Butt Growth •Foot Growth •Transformation •Voice Deepening •Getting Taller •Giants •Size Increase •Destruction/Violence •Nonconsensual change •Infectious •Aliens •Symbiotes •Complete •Stories with Images •M Added Dec 2022 7,676 words 9,875 views 4.9 stars (8 votes)
Boosted by West [ ] Phil has a clumsy moment, and suddenly the school’s Augmented Reality room ends up being so much more. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Multi-abs •Hyper Muscle •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Tongue Growth •App •Incest •Brothers Added Aug 2021 Updated Sep 2021 3 parts 5,436 words 13,634 views 4.6 stars (19 votes)
Bo’s Builder Bear Workshop by Richard Jasper [ ] Strange doings at the hunky gay businessman’s popular teddy-bear emporium. •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase Added Apr 2020 4 parts 5,798 words 5,445 views
Boston by Marzart69 [ ] •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase Added Jul 2002 8,358 words 22,452 views
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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase •Getting Hairy •Dom/Sub •Nonconsensual change •Werewolves •M/M Added Nov 2014 Updated Dec 2017 8 parts 21,520 words 70,302 views 4.7 stars (56 votes)
Bound together by NBCK99 [ ] When you have the ability to "push" people to be bigger and hotter, and not a lot of self-control, a really cute repairman can be a challenge—especially if things don’t go quite the way they’re supposed to. •Multicock •Multiarm •Multilimb •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •M/M Added Jan 2016 4,818 words 14,665 views 4.6 stars (34 votes)
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. •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 •Witch/Warlock/Wizard •Series •M/M •M/M/M •M/M/M/... Added Dec 2002 Updated Sep 2019 8 parts 29,657 words 26,677 views 5.0 stars (13 votes)
The boytaur next door by BRK [ ] Phil moves into a new apartment and is perplexed and aroused to discover that his new next-door neighbor has more going for him than most guys do. •Always Hard •Cock Growth •Huge Cock •Multicock •Boytaur •Four Legs •Multiarm •Multileg •Multilimb •Multipec •Stacking •Muscle Growth •Always Shirtless •Gradual Change •Getting Taller •Retcon •Witch/Warlock/Wizard •Complete •M/M Added Mar 2022 4 parts 7,551 words 3,717 views 5.0 stars (8 votes)
The breakthrough by Gigantic Mr.B [ ] One lapse in concentration sets off an unstoppable chain of events for an 18-year-old lab intern, Ben. •Cock Growth •Huge Balls •Huge Cock •Hyper Cum •Hyper Muscle •Hyper Strength •Muscle Growth •Butt Growth •Gradual Change •Getting Taller •Size Increase •Infectious •M/M Added Apr 2022 Updated Sep 2022 5 parts 18,273 words 25,805 views 4.8 stars (38 votes)
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. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Muscle Growth •Muscle Gut •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers •Merging Added Dec 2015 7,666 words 43,671 views 4.8 stars (17 votes)
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. •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers Added Apr 2020 5 parts 7,816 words 15,665 views 4.9 stars (15 votes)
Brute growth by Zhu and YungFrancis [ ] Having outgrown his previous digs, giant muscle freak Mute commissions a bigger house from fellow freak and architect Zhu. Zhu and his assistant Dohn join him for a meal, and they’re already turned on by each other’s crazy size even before they share some very special cigars. •Huge Balls •Huge Cock •Hyper Cock •Hyper Muscle •Immobility •Muscle Growth •Muscle/Strength •Giants •Plausible Size Difference •Size Increase •Tongue Growth •Tobacco Added Dec 2018 2 parts 8,446 words 13,508 views 3.8 stars (5 votes)
The bubblebutt curse by Gato-Cat [ ] Picky Luke, who prefers bottom-heavy men, gets cursed so that every man he finds attractive grows a massive, sensitive bubble butt. •Butt Growth •Inflation •Nonconsensual change •M/M Added Sep 2022 3,407 words 5,019 views 4.9 stars (27 votes)
Build-A-Hunk by YellowJester [ ] Hunk Tech’s new Build-A-Hunk allows you to customize everything about a man. Gwen seizes upon this opportunity to get the husband she always wanted. •Cock Growth •Other Mental Changes •Muscle Growth •Getting Handsomer •Getting Taller •Hetero Sex •M/F Added Jul 2022 4,641 words 5,253 views 4.7 stars (7 votes)
Bulgey boi by Ziel [ ] Boey wins a pair of briefs from a new brand called Bulgey Boi. All he has to do is fill out a quick questionnaire. How Bulgey is best? The bulgier the better, right? •Cock Growth •Huge Cock •Hyper Cock •Immobility •Muscle Growth •Size Increase •M Added Jul 2022 4,922 words 9,266 views 5.0 stars (8 votes)
Bulking by Proteus [ ] Sometimes, when people have a crush on their hunky roommate, they act on it by secretly trying to make the guy progressively hotter. •Muscle Growth •Muscle Gut •Muscle/Strength •Butt Growth •Gradual Change •Getting Hairy Added Mar 2013 6 parts 7,143 words 49,090 views 4.6 stars (17 votes)
The Bull Factory by Portowulf [ ] Ricardo finds himself at the new “Bull Factory” club, and learns where the name comes from. •Getting Fatter Added May 2020 1,980 words 10,205 views 4.7 stars (7 votes)
Bull’s gene by Opin [ ] Dean goes on a date with Henry, a huge professor, whose strength exceeds every expectation. •Always Hard •Huge Cock •Hyper Cock •Always Cumming •Hyper Cum •Nipple Emissions •Public Orgasm •Hyper Strength •Muscle Growth •Muscle Gut •Muscle/Strength •Muscle Worship •Getting Taller •Giants •Plausible Size Difference •Size Increase •M/M Added Aug 2020 Updated Oct 2022 8 parts 12,415 words 36,043 views 4.7 stars (26 votes)
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. •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/... Added Jul 2018 Updated Oct 2018 28 parts 88,398 words 80,649 views 4.8 stars (39 votes)
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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase Added Nov 2018 5 parts 27,642 words 17,179 views 4.3 stars (21 votes)
Burst by BRK [ ] In a sealed-off underground bunker, exposure to a tear in the fabric of space-time created by an illegal energy experiment is producing some interesting changes in the men trapped inside. And on top of everything else, it’s Christmas, and there’s no way they’ll ever see home again… •Cock Growth •Huge Cock •Multicock •Replication •Other Mental Changes •Hyper Strength •Muscle Growth •Muscle/Strength •Always Shirtless •Stretchy •Getting Handsomer •Transformation •Getting Taller •Size Increase •Aliens •Christmas •Complete •M/M •M/M/M Added Dec 2020 3 parts 11,494 words 10,272 views 4.6 stars (13 votes)
Business trip by BeefyDutch [ ] Bill is a hardworking guy who travels. Before he leaves for his current trip, his coworker André slips some of his new protein supplement into his coffee with some big side effects. •Cock Growth •Huge Cock •Hyper Cum •Muscle Growth •Belly Growth •Getting Taller •Size Decrease •Getting Fatter Added Aug 2021 7,889 words 11,507 views 4.5 stars (11 votes)

C

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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Getting Taller •Plausible Size Difference •Size Increase •Destruction/Violence •Witch/Warlock/Wizard •Immortality •Ancient Era •M/M Added Nov 2016 Updated Mar 2019 6 parts 30,727 words 19,412 views 4.6 stars (14 votes)
Caeman the Conquerer by Tereshky [ ] An ambitious general gets more than he bargained for during a ceremony to take over a conquered city in this fantasy-based story. •Cock Growth •Multiarm •Multilimb •Transformation •Giants •Tongue Growth •Naga •Fantasy Realm Added May 2018 3,420 words 8,105 views 4.3 stars (11 votes)
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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Series •t/t •t/t/t Added Aug 2019 5 parts 26,121 words 14,515 views 4.2 stars (9 votes)
The cake by Orion [ ] Matt is an average college student, frustrated with his below average body. But that is unexpectedly about to change, thanks to a little bit of magic. •Cock Growth •Huge Balls •Hyper Cock •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy Added Feb 2017 4,757 words 26,926 views 4.0 stars (7 votes)
Camping out by Walt Tucker [ ] A giant is attracted to sexy camper Jamie enough to grab him from his tent and bring him home for sex—and also to meet his other human pet, Brandon. •Giants Added Mar 2017 2,054 words 7,963 views
Carlos Bunda and the billion-dollar dildo by brazboy [ ] Carlos Bunda is Brazil’s number 1 secret agent, and is about to embark on a tense mission: rescuing the last of the four billion-dollar dildos which were lost after the fall of the Soviet Union. The task to retrieve this invaluable weapon sends him to Paris where he encounters Julien Monet, a former member of the French communist party who wants the power of the dildo for himself, not to mention the “bears”—a trio of Russian assassins desperate to recover their national secret weapon. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Increased Libido •Getting Taller •Giants •Plausible Size Difference •Size Increase •Dildos/Toys •M/M •M/M/M Added Dec 2021 2 parts 9,240 words 4,360 views 4.8 stars (9 votes)
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. •Always Hard •Cock Growth •Huge Cock •Public Orgasm •Muscle Growth •Public Nudity •Increased Libido •Gradual Change •Getting Taller •App •Nonconsensual change •Hypnosis •Mind Control •M/M Added Jul 2022 Updated Feb 2023 12 parts 43,360 words 29,406 views 5.0 stars (56 votes)
Cave of worshippers by SomeMuscleGuy [ ] After a strange workout session with his friend Ben, Mike wakes up restrained in a cave, surrounded by cultists who want to make him their muscle god. •Always Hard •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Multi-abs •Addiction •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle Worship •Butt Growth •Increased Libido •Foot Growth •Transformation •Voice Deepening •Getting Taller •Forced Growth •Plausible Size Difference •Size Increase •Getting Hairy •Dom/Sub •Nonconsensual change •Restraints •Absorption •Complete •M/M Added Jan 2023 8,219 words 7,870 views 4.3 stars (8 votes)
Cave on the Moon by brazboy [ ] First contact? A large cave is identified on the Moon. It is apparently ancient, but also not at all natural. Humans, curious as ever, sent a team of astronauts to investigate it. What they find changes everything, and everyone, forever… •Always Hard •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Public Orgasm •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Increased Libido •Getting Taller •Giants •Plausible Size Difference •Size Decrease •Destruction/Violence •Nonconsensual change •Aliens •Androids/Cyborgs •Space Travel •M •M/M •M/M/M Added Nov 2021 3 parts 9,726 words 10,129 views 4.3 stars (11 votes)
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. •Cock Growth •Huge Cock •Hyper Cock •Nipcocks •Hyper Cum •Nipple Emissions •Multi-abs •Muscle Growth •Muscle/Strength •Voice Deepening •Size Increase •Incest •Twins •Demons •Ancient Era •M/M •M/M/M •M/M/M/... Added May 2014 Updated Jan 2019 12 parts 38,226 words 54,279 views 4.9 stars (49 votes)
The Change by Richard Jasper [ ] A skinny researcher’s muscle growth experiments on himself make for impressive changes. Then he tries them out on his friend, who’s already muscular. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Series Added Feb 2009 4 parts 6,368 words 29,633 views 5.0 stars (5 votes)
The Change continues by Richard Jasper [ ] The Change is unstoppable, spreading rapidly through the gay male population, while those who first experienced it revel in their increasingly wild transformation. •Cock Growth •Huge Cock •Muscle Growth •Getting Taller •Size Increase •Nonconsensual change •Infectious •Series Added Apr 2020 6 parts 6,405 words 10,614 views
Changeday by MaxMorphs [ ] Now that all of the changes to your body take place all at once on the same day every year, Andrew and his two college buddies are doing everything they can to make their Changedays as dramatic as possible. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Belly Growth •Getting Taller •Size Increase •Getting Hairy •Getting Fatter Added May 2020 5,212 words 12,869 views 4.6 stars (8 votes)
Changes in Bigby Heights by NBCK99 [ ] Alex Stevens has always been shy, being the only boytaur in Bigby Heights, but Jesse helps bring him out of his shell. But after their first encounter, reality seems to shift. •Always Hard •Cock Growth •Huge Cock •Self-suck •Multi-abs •Multicock •Boytaur •Four Legs •Multiarm •Multilimb •Muscle Growth •Muscle/Strength •Getting Taller •Retcon •Infectious •M/M •M/M/M Added Jun 2010 Updated Sep 2010 3 parts 5,173 words 23,835 views 4.7 stars (21 votes)
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. •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 •Nonconsensual change •Merging •Witch/Warlock/Wizard •Invisibility •M/M •M/M/M •M/M/M/... Added May 2013 Updated Jul 2022 18 parts 69,664 words 108,801 views 4.7 stars (38 votes)
Changr pill party by matt1008 [ ] Campus alpha-male Nick plans an unusual party for his buddies, having got hold of a round of Changr pills that produce temporary, unknown, and not always desirable transformations. •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Size Decrease •Size Increase •Inflation •App Added Jul 2015 6 parts 10,718 words 38,141 views 4.5 stars (24 votes)
Charles’s monster by Locky [ ] Jason saw Charles' monster in high school. Three years later, there's even more to see. •Cock Growth •Huge Cock •Hyper Cock •Size Increase •M/M Added Aug 2006 1,748 words 77,163 views 4.1 stars (32 votes)
Chat transcript: More than plenty by BRK [ ] Two guys chatting about extras end up giving each other the works. •Multicock •Multilimb •Replication •Size Increase •Infectious •All Dialog •M/M Added Nov 2014 2,780 words 7,648 views 5.0 stars (7 votes)
Cheating husband winds up pregnant by BigManBigBelly [ ] When a couple’s sex life fizzles out, one of them starts growing rather fat, but the reason why is a surprise to both. •Belly Growth •Male Pregnancy •Getting Fatter •M/M Added Mar 2022 1,836 words 4,349 views
Check this mate by brazboy [ ] Pedro loves drinking mate tea, so when he finds the products of a fancy-looking new brand for sale in his local supermarket he decides to buy two packages. As soon as he arrives home, he makes himself some chimarrão which, as always, he offers to his handsome boyfriend Alexandre. The strong and addictive flavor enchants both of them, but that’s not the end of their surprises… •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Nipple Emissions •Pec Fucking •Hyper Muscle •Immobility •Muscle Growth •Muscle/Strength •Increased Libido •Voice Deepening •Getting Taller •Giants •Size Increase •Tongue Growth •M/M Added Mar 2022 Updated Apr 2022 2 parts 8,935 words 11,269 views 4.6 stars (8 votes)
Chest cologne by Musclesaber [ ] When Jacob is worried about his Valentine’s Day date with the biggest and hottest guy at the gym, he gets some help from his friend Sam for his little problem. •Cum inflation •Hyper Muscle •Pec Fucking •Muscle Growth •Inflation •Destruction/Violence •Valentine's Day •M/M Added Feb 2022 3 parts 7,198 words 8,685 views 4.6 stars (8 votes)
The choice by chicagogiantlover [ ] •Giants •Size Increase Added May 2005 2,032 words 15,787 views
Choranaptyxic by Marquis de Rent [ ] A young man uses a dating app to have some fun. Everything goes well until his date inexplicably starts to grow... •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Plausible Size Difference •Size Increase Added Feb 2017 2,807 words 18,019 views 4.8 stars (12 votes)
Christmas gains by pkak2k12 [ ] A simple rhyming couplet story of Santa giving a good young man some big gains. •Cock Growth •Muscle Growth •Getting Taller •Size Increase •Christmas •Complete •NS •t Added Dec 2022 522 words 3,367 views 4.7 stars (6 votes)
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. •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 Added Dec 2017 Updated Dec 2018 3 parts 22,408 words 13,989 views 4.9 stars (15 votes)
Christmas presence by Also Known As [ ] A hunky hookup artist gets a magical midnight visitor on Christmas Eve who’s more than a match for him. •Cock Growth •Huge Cock •Muscle Growth •Plausible Size Difference •Size Increase •Christmas •Complete •M/M •M/M/M/... Added Dec 2022 6,441 words 3,501 views
A Christmas wish by Buck Reams [ ] Writing out your fantasies can have practical consequences, if you do it on a scrap of paper you forgot came from a magical tome. •Cock Growth •Huge Balls •Huge Cock •Nipcocks •Hyper Cum •Nipple Emissions •Muscle Growth •Muscle/Strength •Transformation •Size Increase •Getting Hairy •Nonconsensual change •Infectious •Christmas •M/M Added Dec 2019 1,975 words 17,413 views 4.8 stars (22 votes)
ChristMASS by Musclesaber [ ] Four men are transported to the North Pole to compete for the title of “The New Santa Claus”. Little do they know what magic can really do to them as one by one, they are each eliminated. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Muscle Growth •Belly Growth •Getting Taller •Giants •Inflation •Christmas Added Dec 2020 4 parts 9,454 words 11,438 views
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. •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 Added Jan 2020 Updated May 2021 8 parts 25,601 words 18,133 views
Chuck, the size thief by spacevlad [ ] Chuck, a middling-sized construction worker who wishes he were bigger, finds a way to grow huge. •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 •Rape •Absorption •M/M Added Jun 2017 Updated Dec 2017 16 parts 42,078 words 104,306 views 4.5 stars (27 votes)
A close encounter by King Dave [ ] Evan is not alone in his apartment. Something that wants to study him. Is that all that it wants? •Cock Growth •Muscle Growth •Butt Growth •Getting Handsomer •Voice Deepening •Getting Hairy •First Time/Virgin •Aliens •Shapeshifting •M/M Added Dec 2021 Updated Jan 2022 3 parts 7,234 words 8,652 views 4.8 stars (22 votes)
Clothes make the man by Frank Easky [ ] •Muscle Growth •Muscle/Strength •Getting Taller Added Jul 2002 12,291 words 23,585 views 4.6 stars (7 votes)
Clowning around by screamingmoist [ ] A group of arrogant young men get a surprise visit, but it’s no laughing matter. •Cock Growth •Muscle Growth •Butt Growth •Transformation •Inflation •M/M •M/M/M Added Aug 2022 3,664 words 5,517 views 4.5 stars (6 votes)
Club at the crossroads by Greggrth [ ] A night out for two friends turns out to offer some fun changes, as long as you follow the rules. •Cock Growth •Cum inflation •Immobility •Muscle Growth •Voice Deepening •Giants •Size Increase •Inflation •Fantasy Realm •M/M Added Jan 2023 8,684 words 4,966 views 4.7 stars (12 votes)
Coach Barker by Argenti [ ] Coach Travis Barker has a special gift, and when he shares this gift with Adam, change begins to unfold around them. •Cock Growth •Huge Cock •Hyper Cock •Hyper Cum •Straight to Gay •Muscle Growth •Muscle/Strength •Getting Taller •Giants •Plausible Size Difference •Size Increase •Infectious Added May 2019 Updated Jun 2019 9 parts 18,987 words 37,370 views 4.9 stars (34 votes)
Coach’s big surprise by MuscleMike [ ] Josh is struggling to keep up with the rest of the wrestling team, and he’s afraid to get cut. Luckily, a former student of Coach Smith sends him something that’ll make them both become the men they’ve always dreamed of becoming. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Muscle •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Age Progression •Getting Hairy •Age Difference Added Feb 2020 2 parts 2,597 words 26,047 views 4.7 stars (16 votes)
The cock bois by CockTFBoi [ ] When Colin gets a text from a blocked number he is drawn into an adventure to uncover a conspiracy and find his boyfriend. •Cock Shrinking •Cockless •Human to Cock •Hyper Cum •Transformation •Size Decrease •Size Increase •M/M •M/M/M Added Mar 2021 Updated Oct 2021 7 parts 20,659 words 11,663 views 4.8 stars (8 votes)
Cocksville by Erik Maskot [ ] A young man with a 2-incher desperately seeks help. But the medicine he starts taking doesn't seem to be doing anything... (another case of exceeding the recommended dosage!) •Cock Growth •Huge Cock •Hyper Cock •Size Increase Added Oct 2002 4 parts 4,956 words 22,734 views 4.3 stars (7 votes)
Coffee coffee by NBCK99 [ ] The employees at the campus’s hottest coffee shop seem to be getting sexier… and so are the customers. •Always Hard •Cock Growth •Huge Cock •Other Mental Changes •Straight to Gay •Muscle Growth •Muscle/Strength •Increased Libido •Getting Taller •Size Increase •M/M •M/M/M Added Dec 2010 2 parts 5,251 words 33,685 views 4.7 stars (31 votes)
Coffeehouse encounter by BRK [ ] A casual conversation in a coffee shop about the various mods being instilled in the students lately. •Cock Growth •Huge Cock •Multicock •Multiarm •Multilimb •Multitongue •Muscle/Strength •Getting Taller •Tongue Growth •M/M •M/M/M Added Mar 2009 1,187 words 15,990 views 4.4 stars (5 votes)
The collection by BRK [ ] Zach is surprised to get a Thanksgiving dinner invite from his reclusive great uncle Derek, but a trip to Maine with his friends sounds better than cooking. As it turns out, more awaits them in the strange old oceanside house than a few platefuls of turkey and cranberry sauce. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Multileg •Multilimb •Replication •Muscle Growth •Getting Handsomer •Transformation •Voice Deepening •Getting Taller •Plausible Size Difference •Size Decrease •Size Increase •Age Regression •Nonconsensual change •Supernatural •Thanksgiving •M/M Added Nov 2022 Updated Jan 2023 8 parts 15,844 words 7,543 views 4.7 stars (6 votes)
Colossal Clothing by QuasarSun [ ] Spencer is just your average post-college graduate, down on his luck and working a dead-end job when he runs across a magical clothing store that gives him a new job, a new perspective, and a lot more. •Cock Growth •Ball Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle Gut •Belly Growth •Transformation •Voice Deepening •Getting Taller •Plausible Size Difference •Size Increase •Getting Hairy •Getting Fatter •Orcs •Supernatural •M/M Added May 2020 Updated Dec 2022 3 parts 5,384 words 14,998 views 4.4 stars (19 votes)
Colt chronicles: Sender’s gain by Neltharion5 [ ] •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Getting Taller •Series Added Sep 2009 4,728 words 15,812 views
Comeuppance by JJJJohnson [ ] No more than one tablespoon each, huh? Suuuuuure! •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Giants •Size Increase •Brothers •Twins Added May 2006 4,071 words 44,649 views 4.6 stars (19 votes)
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. •Cock Growth •Huge Balls •Huge Cock •Self-suck •Hyper Cum •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Hairless •Incest Added Feb 2019 4 parts 12,660 words 22,569 views 5.0 stars (15 votes)
The commute by BRK [ ] David's twenty-fifth birthday was supposed to be the start of new life, with a promotion and a live-in boyfriend. When all that suddenly goes up in smoke, all he can do is distract himself on the train into the city with imaginings of the lithe, well-muscled body of the fellow commuter sitting across from him. •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •M/M Added Feb 2017 4,293 words 12,586 views 4.8 stars (12 votes)
Compliments to the chef by YellowJester [ ] A business meeting quickly gets derailed at just one taste of the chef’s special sauce. The line between food porn and other type of porn can blur especially when that food causes your dinner companions to change before your very eyes. •Cock Growth •Muscle Growth •Getting Handsomer •Getting Taller •M/M Added May 2022 2,887 words 4,664 views 4.8 stars (12 votes)
Conner's massive reveal by MegaMaker [ ] Isaac and Connor have been dating for years and recently graduated college. Connor wants this relationship to last for the rest of their lives. In order to do that he must reveal what he truly is to his lover. He’s afraid Isaac won’t want to be with him anymore but when Isaac finds out he falls in love with Connor all over again. •Always Hard •Cock Growth •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Always Cumming •Hyper Cum •Public Orgasm •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Muscle Worship •Public Nudity •Man Scent •Butt Growth •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Giants •Forced Growth •Size Increase •Shapeshifting •Complete •M/M Added Feb 2023 6,540 words 6,423 views 4.3 stars (7 votes)
Containment breach by SomeMuscleGuy [ ] After Kalos experiences a suit malfunction while working with a Radioactive Material at work, he is left growing at a quickening rate to sizes that nobody ever thought was possible, and its contaminated effects are spreading too fast to be stopped. •Always Hard •Cock Growth •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Cum Milking •Always Cumming •Hyper Cum •Nipple Emissions •Public Orgasm •Extra digits •Multi-abs •Multiarm •Addiction •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle Gut •Muscle Worship •Public Nudity •Butt Growth •Belly Growth •Increased Libido •Transformation •Voice Deepening •Getting Taller •Giants •Forced Growth •Size Increase •Getting Hairy •Nonconsensual change •Rubber/Latex •Infectious •Complete •M Added Mar 2023 10,572 words 5,064 views 4.5 stars (10 votes)
Contamination by RdyRoger [ ] After his dick came in contact with an experimental substance, high schooler Vincent starts slowly getting bigger… first in his crotch and then other places, too. Thomas, a tall, handsome jock, likes teasing him about it at every opportunity. •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Muscle/Strength •Gradual Change •Getting Taller •Size Increase •Getting Hairy •Infectious •t/t Added Jul 2019 6,135 words 23,530 views 4.6 stars (19 votes)
Corporate growth by screamingmoist [ ] Corporate growth can take on a whole new meaning if you cross the wrong people. •Cock Growth •Getting Dumber •Straight to Gay •Muscle Growth •Butt Growth •Nonconsensual change •M/M Added Sep 2021 6,574 words 7,666 views 4.0 stars (6 votes)
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. •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 Added Aug 2020 Updated Oct 2022 15 parts 56,573 words 20,562 views 4.9 stars (13 votes)
Cow-boy by JKL [ ] Where does milk come from if cows are not raised as livestock? You're about to become the source. •Cock Growth •Nipple Emissions •Muscle Breast •Muscle Growth •Belly Growth •Getting Taller •Size Increase •Human to Animal/Anthro •Getting Hairy •Inflation Added Jan 2019 1,606 words 31,236 views 4.5 stars (13 votes)
The cowboy by Chance Riverwind [ ] •Cock Growth •Huge Cock •Muscle/Strength •Giants •Age Difference •Incest •Father/Son Added Jul 2002 1,967 words 18,404 views 2.3 stars (6 votes)
Crack the code by screamingmoist [ ] A man uses a super computer to write more than mere programs. •Cock Growth •Cock Shrinking •Muscle Growth •Butt Growth •Size Decrease •Retcon •Series •M/M •M/M/M/... Added Nov 2021 4,409 words 7,464 views 4.4 stars (5 votes)
Crack the code: Employee of the month by screamingmoist [ ] A burnt-out young man with eyes on his boss hopes to have his code rewritten. •Cock Growth •Getting Dumber •Muscle Growth •Butt Growth •Retcon •Series •M/M Added Aug 2022 5,761 words 4,602 views
Crafting my cousin by Fallon Ives [ ] Yusef’s cousin Hadi introduces him to a new game with a surprisingly detailed character creator. Might as well go wild with it, right? When Hadi hacks the game, however, changes made to their characters start to have strange effects on the real world. •Cock Growth •Cock Theft •Muscle Growth •Transformation •Getting Taller •Plausible Size Difference •Size Decrease •Size Increase •Race/Ethnicity Change •Getting Fatter •App •Orcs •Fantasy Realm •M/M Added Feb 2022 7,243 words 6,775 views
Craterville by BRK [ ] When everyone in town has some kind of power that half the time they aren’t even aware of, the guy whose power is to tell with everyone else’s power is might feel like he’s got the short end of the stick. Sometimes, though, there are ways to make it work for you. •Cock Growth •Huge Cock •Multicock •Multilimb •Replication •Muscle/Strength •Transformation •Size Increase •Complete •M/M •M/M/M Added Mar 2009 3,363 words 23,451 views 4.7 stars (13 votes)
Critical mass by TonnyGiant [ ] A powerful new workout supplement has an immediate and spectacular effect on a family of bodybuilders—and soon on the rest of their sleepy town. •Muscle Growth •Muscle/Strength •Getting Taller •Giants •Plausible Size Difference •Size Increase •Destruction/Violence Added Apr 2019 1,411 words 9,982 views
Cu Raigo by NioSatyr [ ] Raigo, an adrenaline-addicted porn star, finds himself in a snow storm. Luckily, a mysterious and large stranger saves him, which leads to a lot of changes for both of them. •Always Hard •Cock Growth •Cockfucking •Huge Balls •Hyper Cock •Self-suck •Hyper Cum •Nipple Emissions •Muscle Growth •Transformation •Size Increase •Anthro/Furry •Stories with Images Added May 2021 6,103 words 10,587 views 4.3 stars (12 votes)
Cult of the Muscle Beast by SuperWaffle [ ] Horny twunk dancer and cum factory Branson is thrilled to learn that the man of his wet dreams, the huge muscle god Maximilian, has engaged his services for a private session. What Branson doesn’t expect is the effect his cum has on Maximilian—or what that means for Branson’s future. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Size Increase Added Aug 2020 19,638 words 10,097 views 4.5 stars (8 votes)
Cum and Grow by BRK [ ] When someone goofed up the sign at the Come and Go store to make it say “Cum and Grow”, I thought it was a pretty funny prank. Turns out, it wasn’t just a joke. •Cock Growth •Getting Taller •Complete •M/M Added Nov 2020 2,310 words 9,518 views 4.6 stars (12 votes)
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. •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 Added Nov 2022 Updated Dec 2022 12 parts 35,338 words 11,811 views 4.7 stars (21 votes)
Curiouser and curiouser by Dream Big [ ] Alex, exploring Oxford with his eccentric math professor, finds himself lost, confused, and changed by his brush with the mysterious world he stumbles into. •Cock Growth •Giants •Size Decrease •Fantasy Realm Added Sep 2020 6 parts 4,705 words 3,756 views
The curse of the SuperJock by SuperBlimp [ ] When a mysterious Warlock transforms Lucas into a massive god-like superhero, he realizes too late that his new abilities come with an insidious catch. •Cock Growth •Cum inflation •Hyper Cum •Immobility •Muscle Growth •Transformation •Getting Taller •Nonconsensual change •Halloween •Superhero/Supervillain •M/M Added Nov 2022 8,727 words 7,633 views 3.7 stars (16 votes)
Curse room by BRK [ ] As the landlord’s son, Joey gets to deal with abandoned apartments and whatever might be in them. Usually it’s just junk; but the guy that skipped on unit 12E was deeply weird, and the way he’d looked at Joey before was more than a little scary. •Cock Growth •Huge Balls •Huge Cock •Multi-abs •Multiarm •Multilimb •Muscle Growth •Getting Taller •Plausible Size Difference •Infectious •M/M Added Apr 2022 2,828 words 5,477 views 4.4 stars (9 votes)
The cursed ride by SomeMuscleGuy [ ] When Kalos is overcome with a sudden surge of growth on his motorcycle ride with Epsilon, he must get to the city before he becomes too big. •Always Hard •Cock Growth •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Multi-abs •Addiction •Hyper Muscle •Hyper Strength •Immobility •Muscle Growth •Muscle/Strength •Muscle Worship •Public Nudity •Getting Handsomer •Gradual Change •Transformation •Voice Deepening •Getting Taller •Forced Growth •Size Increase •Destruction/Violence •Dom/Sub •Nonconsensual change •Complete •M/M Added Feb 2023 8,330 words 5,171 views 4.4 stars (7 votes)
Cursed to swell with cum by BigManBigBelly [ ] Max, like so many others, is powerless to resist Damien’s charm and blessed to be stretched open by his enormous meat. But his seed proves more potent than Max could have imagined… And possibly more than he can handle. •Cum inflation •Cum Milking •Hyper Cum •Nipple Emissions •Immobility •Belly Growth •Size Increase •Getting Fatter •Infectious •Supernatural •M/M Added Mar 2022 2,974 words 11,430 views 4.0 stars (6 votes)
Curses and consequences by BRK [ ] Reading this story is a bad idea, but you can’t resist now that you know it’s cursed. •Always Hard •Cock Growth •Huge Cock •Self-suck •Always Cumming •Hyper Cum •Multi-abs •Multiarm •Multilimb •Addiction •Increased Libido •Gradual Change •Getting Taller •Retcon •Social Media •Supernatural •Complete Added Sep 2021 1,456 words 9,655 views 4.7 stars (22 votes)
Curt’s Olympic bid by Portowulf [ ] Curt thought his dreams of competing in the Olympics were over before a mysterious coach promises to make him huge. •Straight to Gay •Belly Growth •Getting Fatter •Humiliation •Nonconsensual change Added Sep 2020 1,377 words 7,202 views
Custom tailoring by BRK [ ] Danny takes on a modeling gig that involves a little custom tailoring, and not just of the clothes he’ll be wearing for the shoot. •Muscle Growth •Muscle/Strength •Size Increase •M/M Added Sep 2016 2 parts 6,680 words 15,736 views 4.8 stars (12 votes)
Cuuuurse! by Ziel [ ] Boyfriends Alex and Reuben are subjected to a curse that grows them into long-tongued double-cocked muscular naga. Ask them if they mind. •Huge Cock •Multicock •Multiarm •Multilimb •Muscle Growth •Muscle/Strength •Tongue Growth •Anthro/Scaly •Naga •M/M Added Oct 2014 7,618 words 21,646 views 4.6 stars (14 votes)
The CVN link by BRK [ ] Mike is applying for a new job. Everything’s going great, his potential new boss is a dreamboat, he’s perfect for the position. There’s just one hitch: they need his CVNs. His confusion turns to shock when he finds out from a friend just what the “N” stands for… •Cock Growth •Huge Cock •Multi-abs •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •App •Retcon •Social Media •Complete •M/M •NS Added Jun 2020 2 parts 9,838 words 9,649 views 4.8 stars (10 votes)
Cybergiant by Chance Riverwind [ ] •Size Increase •Complete Added Oct 2002 3 parts 3,271 words 14,168 views

D

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. •Huge Cock •Muscle Gut •Muscle/Strength •Plausible Size Difference •Age Difference •Incest •Father/Son •Dom/Sub •M/M Added Sep 2018 Updated May 2019 2 parts 4,961 words 28,926 views 4.7 stars (11 votes)
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. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Size Increase •Age Difference •Incest •Father/Son •Twins •Destruction/Violence •M/t Added Feb 2003 6 parts 14,639 words 29,324 views 3.2 stars (20 votes)
Damien by bulkscribe [ ] My roommate Damien is focussed on getting as big as he possibly can… and I find myself more than willing to help him out with that. •Muscle Growth •Belly Growth •Getting Taller •Giants •Plausible Size Difference •Size Increase •Getting Fatter Added Aug 2020 Updated Dec 2020 5 parts 16,482 words 30,077 views 5.0 stars (17 votes)
The damsel in growth by Rice Sawyer [ ] The dynamic between a cute femboy and his masculine lover changes after one of them orders a strange object off the internet. •Cock Growth •Pointy Ears •Getting Taller •Plausible Size Difference •Size Decrease •Size Increase •Anthro/Furry •Set during the Pandemic •M/M Added Jan 2022 2,324 words 4,707 views
Dawn of the Dragon-Men by JKL [ ] Drake and Irving stumble on an old dragon’s nest and investigate a dead-looking dragon’s egg they find there, only it’s not as inert as it seems. •Wings •Straight to Gay •Muscle Growth •Transformation •Size Increase •First Time/Virgin •Anthro/Scaly Added May 2020 1,156 words 4,539 views
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. •Huge Cock •Hyper Cock •Giants •Size Increase •Age Difference •Incest •Father/Son •Destruction/Violence Added Aug 2019 1,624 words 11,779 views 4.1 stars (16 votes)
DeadGuy by BRK [ ] Wyatt downloads an app called DeadGuy, which is supposed to be the app responding randomly to your questions in the voice of a fake cartoon ghost. What Wyatt doesn’t know is, the ghost isn’t fake at all. •Cock Growth •Huge Cock •Muscle Growth •Gradual Change •Getting Taller •App •Suggestion •Merging •Ghosts •Supernatural •Complete Added Feb 2021 3,502 words 7,019 views 4.8 stars (11 votes)
The deal by Ziel [ ] Zeke tries out what appears to be a spell in a musty old tome only to discover that it’s actually a summoning ritual! Zeke soon finds that his experimentation in the mystical arts has some HUGE repercussions. •Cock Growth •Huge Cock •Hyper Cock •Multicock •Multiarm •Multilimb •Muscle Growth •Muscle/Strength •Giants •Size Increase •Supernatural Added Nov 2018 7,420 words 13,198 views 3.9 stars (10 votes)
Death and rebirth by NioSatyr [ ] Being a menace towards nature is not that great to begin with, but what happens when it strikes back? •Always Hard •Cock Vore •Huge Balls •Huge Cock •Human to Cock •Hyper Cock •Self-suck •Always Cumming •Hyper Cum •Nipple Emissions •Muscle Growth •Muscle/Strength •Increased Libido •Transformation •Getting Taller •Giants •Size Increase •Nonconsensual change •Vore •Absorption •Satyrs •M/M •M/M/M Added Oct 2021 2,521 words 9,442 views 4.4 stars (7 votes)
Delivery by BRK [ ] A pizza delivery guy thinks he’s hot shit—and he is. But he hasn’t met the guy who’s been getting hotter and hotter his whole life. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •M/M Added Mar 2003 2,905 words 25,756 views 4.4 stars (9 votes)
Demigod chronicles I: Herakles by aquila [ ] A powerlifter finally hits his goals with his trainer, only to realize that there’s something big he should know about him. It isn’t all shakes and good form that gets you to top shape… sometimes, you gotta pray. •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase Added Dec 2018 2 parts 3,646 words 9,738 views 4.8 stars (8 votes)
Derek and Simon by BRK [ ] Newlyweds Derek and Simon suspect their new house might be haunted, and after sharing a few bottles of wine one night testing that theory starts to sound like a good idea. •Cock Growth •Huge Balls •Huge Cock •Muscle Growth •Transformation •Voice Deepening •Getting Taller •Plausible Size Difference •Size Increase •Age Progression •Getting Hairy •Dom/Sub •Merging •Shared Body •Ghosts •Supernatural •Complete •Alcohol •Series •M/M •M/M/M Added Jul 2022 5,244 words 6,631 views 4.6 stars (10 votes)
Derek’s rebirth by muscl4life [ ] An elixir from the dawn of time is turning Derek into the ultimate muscle daddy, which he demonstrates by wearing out three young admirers. Taking on a personal trainer as his acolyte, Derek prepares himself for an even more impressive Phase Two of his transformation. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Self-suck •Hyper Cum •Nipple Emissions •Straight to Gay •Muscle Growth •Muscle/Strength •Giants •Plausible Size Difference •Size Increase •Age Difference •M/M Added Nov 2018 3 parts 11,737 words 30,626 views 4.6 stars (17 votes)
Detention by octavian [ ] Is it mistaken identity? Or is something darker at work here? Whatever the case, when our main character gets sent to detention, he’s sure there’s been a mistake. The guy sitting next to him, however, sees things differently. •Cock Growth •Huge Balls •Huge Cock •Self-suck •Getting Dumber •Straight to Gay •Muscle Growth •Foot Growth •Getting Taller •Size Increase •Human to Animal/Anthro •Getting Hairy •Retcon •Nonconsensual change •Anthro/Furry •t/t Added Jul 2022 6,534 words 6,550 views 4.7 stars (9 votes)
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. •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 •M/M •t/t Added Apr 2022 2 parts 5,446 words 10,752 views 4.4 stars (14 votes)
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. •Cock Growth •Huge Cock •Multiarm •Wings •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers •Flying •Complete •19th Century •M/M/M/... Added Mar 2005 4 parts 3,756 words 24,674 views 4.3 stars (9 votes)
The dildo of the demigods by SuperWaffle [ ] Craving a size-giving artifact, the Dildo of the Demigods, a gym teacher steals it from one of his students, little realizing he’s just as susceptible to its insane growth-lust as the one he’d taken it from. •Cock Growth •Huge Cock •Hyper Cock •Nipcocks •Nipple Emissions •Muscle Growth •Muscle/Strength •Plausible Size Difference •Size Increase •Dildos/Toys •M/M •t/t Added Aug 2020 2 parts 18,865 words 13,469 views 4.4 stars (9 votes)
Discogrowphy by Ziel [ ] In his first Patreon bonus mini-fic, Ziel indulges in this month’s theme: “Hyper Macro Twink.” As the author explains, “Lots of clothes-bursty growy goodness ensues as well as lots of hot ’n’ sloppy macro sizeplay. I just couldn’t pass up the chance to add some exhibitionism in there because, really, if you’re a hot ’n’ hung titan, who wouldn’t want to strut their stuff?” •Cock Growth •Huge Balls •Hyper Cock •Public Nudity •Size Increase •M/M Added Jun 2014 5,711 words 17,340 views 4.3 stars (17 votes)
Doctor Doomsday by Marquis de Rent [ ] Somewhere in a carefully observed multiverse, a bodybuilder tests a new device intended to cater to his every size ambition. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Size Increase Added Jul 2017 1,924 words 14,755 views 4.5 stars (15 votes)
Domination by dunnyboy [ ] Jay's already growing submission to Chris escalates dramatically as Chris reveals he's been taking injections that will turn him into the ultimate muscle fantasy. But Chris won't be the only one affected. •Cock Growth •Huge Cock •Hermaphrodite •Muscle Growth •Muscle/Strength •Man Scent •Size Increase •Getting Hairy •Dom/Sub Added Feb 2017 17,095 words 44,758 views 4.7 stars (35 votes)
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? •Public Orgasm •Straight to Gay •Belly Growth •Getting Fatter •Retcon •Suggestion •Incest •Father/Son •Nonconsensual change Added Aug 2020 Updated Jul 2021 3 parts 4,348 words 14,868 views 4.9 stars (47 votes)
The dorm revised by RdyRoger [ ] New roommates Alex and Anthony meet and discover a shared love of muscle and a connection that has a profound affect on them both. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Size Increase Added Feb 2011 4 parts 18,483 words 27,804 views 4.6 stars (8 votes)
Doubling device by Musclesaber [ ] Max is in for a surprise when Luke gets ahold of a device that can double anything about a person. •Cock Growth •Huge Cock •Hyper Cock •Hyper Muscle •Immobility •Muscle Growth •Public Nudity •Butt Growth •Getting Taller •Giants •Size Increase •M/M Added May 2022 2 parts 5,481 words 11,491 views 4.8 stars (17 votes)
Down on his luck by BigManBigBelly [ ] Brody was dumped by his girlfriend, who took the dog, and then was fired at his job. Depression leads to weight gain but he manages to catch the eye of a wealthy, older man who forces him to confront new thoughts and considerations. •Straight to Gay •Getting Fatter •Age Difference •M/M Added Feb 2022 4,588 words 3,377 views
The Dragonborn by TreborNawoc [ ] After an unexpected attack by local bullies on his eightteenth birthday, Xander finds himself in a dreamworld where he is offered a chance to be reborn. •Cock Growth •Multi-abs •Multicock •Multiarm •Multilimb •Muscle Growth •Getting Taller •Size Increase •Tongue Growth •Destruction/Violence •Humiliation •Rape •Vore •Dragons •M/M Added Feb 2023 2,658 words 1,950 views 4.9 stars (14 votes)
Drawn together by Johnny29 [ ] Mike and John were instantly compatible as friends, lovers, and workout buddies, especially since both yearned for superhero-like bodies. Good thing the mysterious offer to help them achieve their dreams came to both of them together. •Cock Growth •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Getting Taller •Size Increase •Hairless •M/M Added Sep 2012 7 parts 13,924 words 28,819 views 5.0 stars (33 votes)
Drug test by Also Known As [ ] •Cock Growth •Huge Cock •Cum inflation •Addiction •Muscle Growth •Muscle/Strength •Size Increase Added May 2011 8 parts 16,269 words 49,541 views 4.8 stars (15 votes)
Dude, look what I found! by Alex Anders [ ] Some frat bros find a genie and end up surprising the fuck out of it. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Prehensile Cock •Extra facial features •Multicock •Multiarm •Multileg •Multilimb •Three Legs •Multipec •Multitongue •Replication •Wristfeet •Straight to Gay •Public Nudity •Transformation •Size Decrease •Size Increase •Mouthcock •Djin/Jinn/Genie •M/M •M/M/M/... Added Mar 2022 Updated Dec 2022 8 parts 7,567 words 13,015 views 4.5 stars (11 votes)
Dude, that’s a really thick cock by John Perrot [ ] A young man starts out buff and thickly hung and keeps getting bigger. Inspired by ‘That’s a Really Huge Cock Bro’ by Luke B. •Cock Growth •Huge Cock •Hyper Cum •Muscle Growth •Muscle/Strength •Muscle Worship •Gradual Change •Getting Taller •Size Increase •All Dialog •M/M Added May 2022 2,620 words 10,787 views 4.7 stars (18 votes)
The dudes by BRK [ ] The guys at school are really susceptible to suggestion—so much so that if you tell them something’s true, it turns out that it actually is true. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Self-suck •Hyper Cum •Public Orgasm •Multi-abs •Straight to Gay •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Plausible Size Difference •Size Increase •Tongue Growth •Retcon •Suggestion •Brothers •Hyper Pheromones •t/t •t/t/t •t/t/t... Added Mar 2010 Updated Mar 2016 7 parts 15,936 words 119,064 views 4.7 stars (45 votes)
Dylan by TreborNawoc [ ] Dylan and his extra-laden body are always hungry, so when his friend suggests an all-you-can-eat crawl he’s immediately on board. •Huge Cock •Extra Mouths •Multi-abs •Multicock •Multiarm •Multileg •Multilimb •Three Legs •Replication •Stretchy •Belly Growth •Brothers •Vore •Absorption •Centaurs •Naga •Series •M/M •M/M/M Added Aug 2021 Updated Jun 2022 6 parts 11,026 words 11,577 views 5.0 stars (256 votes)

E

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? •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/F •M/M •M/M/M Added Apr 2022 3 parts 21,914 words 8,803 views 4.1 stars (7 votes)
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 •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 Added Dec 2021 Updated Jan 2022 10 parts 28,533 words 10,678 views
EH for short by MegaMaker [ ] In a world where certain men become enhanced through a genetic mutation, Corey one day decides to try to meet one at a local beach known for being a hotspot for enhanced humans. When he stumbles on Cliff, a connection develops that’s stronger than he’d expected. •Cock Growth •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Hyper Cum •Public Orgasm •Straight to Gay •Hyper Muscle •Hyper Strength •Muscle Growth •Muscle/Strength •Muscle Worship •Public Nudity •Butt Growth •Increased Libido •Gradual Change •Transformation •Voice Deepening •Getting Taller •Giants •Size Increase •Race/Ethnicity Change •Nonconsensual change •Complete •M/M Added Feb 2023 11,406 words 5,084 views 4.1 stars (10 votes)
The electro-stimulation belt by Azerreza [ ] When his friend Josh bought an electro-stimulation belt, Kyle laughed at him, but when Josh started to gain weight abnormally fast, he began to doubt his own disbelief. •Cock Growth •Huge Cock •Hyper Cum •Hyper Strength •Muscle Growth •Muscle/Strength •Muscle Worship •Getting Taller •Destruction/Violence •Dom/Sub •Series •M/M Added Mar 2022 3 parts 10,994 words 14,955 views 4.6 stars (16 votes)
The elevator ride by BRK [ ] Another long, boring elevator ride… and you’ve resisted messing with your coworkers for so long. •Cock Growth •Huge Cock •Self-suck •Extra digits •Multicock •Multiarm •Multilimb •Replication •Muscle Growth •Muscle/Strength •Always Shirtless •Getting Handsomer •Getting Taller •Tongue Growth •Retcon •Suggestion •Bisexual •Gay Pride •Shapeshifting •X-Ray Vision •All Dialog •Complete •M/M •M/M/M Added Feb 2020 Updated Mar 2022 3 parts 5,689 words 14,856 views 4.6 stars (33 votes)
Emission transmission by Cumguts [ ] Big grey orc Burz gets a mysterious gift in the mail, and incidentally discovers that he might have a future career in streaming on a new kink website geared explicitly toward cum inflation enthusiasts. •Cum inflation •Hyper Cum •Muscle Gut •Belly Growth •Orcs •Urban Fantasy •Stories with Images •Hyper Anus •M Added Jun 2022 3 parts 3,593 words 5,344 views 4.8 stars (6 votes)
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. •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 •Series Added Apr 2019 Updated May 2021 40 parts 365,561 words 128,394 views 3.4 stars (5 votes)
Enchanted growth by NBCK99 [ ] When Andrelle’s questing companions succeed in finding a magical dagger, he discovers just why the artifact is so desirable. •Cock Growth •Huge Balls •Hyper Cock •Muscle Growth •Muscle/Strength •Size Increase •Fantasy Realm •M/M •M/M/M Added Apr 2015 Updated Oct 2015 5 parts 18,345 words 42,443 views 4.7 stars (29 votes)
Enhanced muscle and futuristic porn by Marquis de Rent [ ] In a futuristic space convoy, a young doctor builds his career on groundbreaking male enhancements. •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 Added Sep 2016 5 parts 25,251 words 31,316 views 4.5 stars (27 votes)
Enlargement by Boston Guy [ ] A medical engineer develops nanotechnology that could cure the world of multiple diseases. But his true motivation is not so noble. •Cock Growth •Huge Balls •Huge Cock •