Holiday Tag Group

Stories that fall into the tag group “Holiday”.

  Subtags: April Fool’s Day;Christmas;Easter;Fourth of July;Gay Pride;Halloween;Hanukkah;Metabods 25;New Year’s Eve;St. Patrick’s Day;Thanksgiving;Valentine’s Day.

159 stories found Sorted alphabetically Total word count: 2,725,820

A 3

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. 5,277 words Added Oct 2020 11k views 4.6 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Plausible Size Difference•Size Increase•Supernatural•Halloween •M/M•M/M/M

And let your arrow go by screamingmoist A young man gets more attention from Cupid than he ever wanted. 5,327 words Added Feb 2022 8,692 views 4.7 stars (7 votes) •Cock Shrinking•Straight to Gay•Muscle Theft•Transformation•Pagan gods•Valentine’s Day •M/M

(April) fool for love by BRK Joe decides he’s been pining for his roommate Rafe long enough, so he uses his sneakily-obtained knowledge of Rafe’s fringe erotica tastes and the pretext of April Fool’s day to pretend he’s set his roomie up on a blind date with his ultimate dream guy. 2,689 words Added Apr 2023 4,502 views 4.1 stars (7 votes) •Huge Balls•Huge Cock•Hyper Cock•Multiarm•Multilimb•Muscle Growth•Stretchy•Getting Taller•Plausible Size Difference•Size Increase•Retcon•April Fool’s Day •M/M

B 10

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. 4,149 words Added Apr 2021 9,373 views 3.8 stars (10 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Size Increase•Easter

Big changes by Ziel Troy’s rapidly growing hypercock is getting kind of embarrassing, especially as it’s caught the attention of a pair of obsessive and very uninhibited twins. 17 parts 85k words (#32) Added Dec 2013 Updated 6 Apr 2024 107k views 4.7 stars (32 votes) •Cock Growth•Huge Balls•Ball Growth•Hyper Cock•Hyper Cum•Incest•Twins•Dildos/Toys•Christmas•Easter•Gay Pride•Halloween•New Year’s Eve•Valentine’s Day•Stories with Images •M/M•M/M/M

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! 3,574 words Added Feb 2022 9,455 views 4.9 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Getting Taller•Giants•Size Increase•Metabods 25 •M/M/M

Birching by LucaWLee After hearing about the tale of the Krampus in the Swiss Alps, a young man heads off the beaten trail. 1,569 words Added Dec 2022 3,962 views 4.8 stars (4 votes) •Hyper Cum•Hyper Muscle•Muscle Growth•Christmas •M/M

Blood lust by muscl4life The vampire Drago plots his revenge against his twin brother, Draco, and Kevin, Danny, and Greg get caught in the middle. 3 parts 9,393 words Added Nov 2013 30k views 4.4 stars (8 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Size Increase•Incest•Twins•Nonconsensual change•Vampires•Werewolves•Halloween •M/M

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. 7,196 words Added Oct 2021 19k views 4.9 stars (14 votes) •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•Hair Growth/Getting Hairy•Hyper Tongue•Tongue Growth•Mouthcock•Tailcock•Plants•Anthro/Furry•Dragons•Werewolves•Supernatural•Halloween •M/M/M

The blue pumpkin by BRK Dominic is sure his blue pumpkin jack-o’-lantern will be a hit. What he doesn’t know is what will be brought forth when he lights the candle within… 6 parts 8,774 words Added Oct 2020 11k views 5.0 stars (20 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Multiarm•Multilimb•Multitongue•Replication•Muscle Growth•Muscle/Strength•Stretchy•Getting Taller•Mouthcock•Incest•Twins•Selfcest•Merging•Supernatural•Halloween•Complete •M/M•M/M/M•M/M/M/...

The boarder by Mikeytron Atticus’s family has decided to rent the spare bedroom in their house. The new boarder turns out to be the sexiest hunk Atticus has ever seen. His life is about to change in a big way. A slow-boil coming-of-age muscle-growth romance set in the My Best Friend’s Muscles universe. 18 parts 86k words (#31) Added Feb 2023 Updated 24 Jun 2023 52k views 4.9 stars (141 votes) •Cock Growth•Cock Pumping•Huge Cock•Hyper Muscle•Immobility•Muscle Growth•Muscle Gut•Muscle/Strength•Muscle Worship•Man Scent•Belly Growth•Feeding•Getting Handsomer•Gradual Change•Voice Deepening•Plausible Size Difference•Christmas•Thanksgiving•Valentine’s Day•Complete•Alcohol •M/M•M/M/M•M/M/M/...

Boytaur Christmas by Jefftaur Kevin gives his boyfriend the best present ever: a boytaur Christmas. 2 parts 3,590 words Added May 2002 12k views 5.0 stars (1 vote) •Multicock•Boytaur•Four Legs•Multileg•Multilimb•Wristfeet•Christmas

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… 3 parts 11k words Added Dec 2020 12k views 4.6 stars (13 votes) •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•Selfcest•Aliens•Christmas•Complete •M/M•M/M/M

C 17

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. 3 parts 7,198 words Added Feb 2022 12k views 4.6 stars (8 votes) •Cum inflation•Hyper Muscle•Pec Fucking•Muscle Growth•Inflation•Destruction/Violence•Valentine’s Day •M/M

Christmas gains by pkak2k12 A simple rhyming couplet story of Santa giving a good young man some big gains. 522 words Added Dec 2022 4,826 views 4.7 stars (7 votes) •Cock Growth•Muscle Growth•Getting Taller•Size Increase•Christmas•Complete •t•NS

The Christmas ghost of FitzHardinge Manor by BRK A sometimes dark tale of a young man consigned to the guardianship of witches, only to be turned by a sex-starved, secrecy-obsessed sorcerer-suitor into a being unheard and unseen, capable of sharing the pleasure of touch, but bound to a single day of the year; and how from these ashes he rises to find what he can become in this new life that has been forced upon him. 3 parts 22k words Added Dec 2017 Updated 22 Dec 2018 16k views 4.9 stars (17 votes) •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

A Christmas miracle by Unknown What’s Santa packing as a Christmas gift for scrawny Tim? In Tim’s dreams, it’s muscle, for starters. 2 parts 2,160 words Added Jun 2002 27k views 4.8 stars (6 votes) •Muscle Growth•Muscle/Strength•Christmas •M•M/M

The Christmas parcel by Salem Noctua When Anthony woke up and saw a mysterious little parcel on the table the morning of Christmas Eve, he did not expect to find a strange, golden necklace with a broken eagle charm inside. Who gave him the present? How did it get inside his flat? And where was its other half? 4 parts 18k words Added Dec 2022 Updated 31 Dec 2022 3,927 views 4.8 stars (21 votes) •Multicock•Multihead•Straight to Gay•Nonconsensual change•Dildos/Toys•Merging•Christmas•Complete •M/M

Christmas presence by Also Known As A man with a real talent for fooling around meets a guy named Nick who’s game to show him all the possibilities of fucking he’s never even dreamed of. 6,570 words Added Dec 2023 6,687 views 4.4 stars (8 votes) •Huge Cock•Muscle/Strength•Pagan gods•Christmas•Complete •M/M•M/M/M/...

Christmas wish by Riu Two grown-up brothers follow their childhood tradition of waiting up for Santa. Only this time, after a few shots of special whiskey, a different kind of Christmas wish is granted. 3,925 words Added Dec 2016 28k views 4.8 stars (32 votes) •Cock Growth•Huge Cock•Hyper Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Suggestion•Incest•Brothers•Christmas •M/M

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. 1,975 words Added Dec 2019 20k views 4.8 stars (23 votes) •Cock Growth•Huge Balls•Huge Cock•Nipcocks•Hyper Cum•Nipple Emissions•Muscle Growth•Muscle/Strength•Transformation•Size Increase•Hair Growth/Getting Hairy•Nonconsensual change•Infectious•Christmas •M/M

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. 4 parts 9,454 words Added Dec 2020 15k views 5.0 stars (3 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Muscle Growth•Belly Growth•Getting Taller•Giants•Inflation•Christmas •M/M•M/M/M/...

Cocking stuffers by Ziel George and Bailey are best buds and roommates, but could they be something more? They just need a little something to break the ice… and Bailey’s boxers. 6,096 words Added Dec 2021 12k views 5.0 stars (10 votes) •Cock Growth•Cock Vore•Huge Balls•Huge Cock•Hyper Cock•Christmas •M/M

Cockportal by BRK After a Halloween night ambulance ride ends up at the wrong hospital, Ronnie wakes up to find discover that his removed appendix isn’t the only thing that’s different about him. 4,660 words Added Nov 2018 11k views 4.0 stars (5 votes) •Cock Growth•Huge Cock•Aliens•Halloween •M

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. 8 parts 16k words Added Nov 2022 Updated 28 Jan 2023 9,361 views 4.7 stars (6 votes) •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•Selfcest•Nonconsensual change•Supernatural•Thanksgiving •M/M

The company of wolves by Houndfiend When an uncanny man enters the costume shop you’re working at for Halloween and asks if you might be able to help him find what he needs, the last thing you expected was that he’d be able to help you with the same problem. A second-person POV story for the Halloween season. 4,102 words Added Oct 2023 3,033 views 5.0 stars (1 vote) •Always Hard•Cum inflation•Cum Milking•Always Cumming•Hyper Cum•Public Orgasm•Addiction•Public Nudity•Man Scent•Dom/Sub•Sex-Slave•Hyper Pheromones•Anthro/Furry•Satyrs•Werewolves•Supernatural•Halloween•Hypnosis•Mind Control•Complete •M/M

Conservation of Matt by BRK Working his checkout line on Halloween, Brady, to his dismay, spots his least favorite person: Matt Lansing, the bully who’d tormented him for being short and gay in high school. If only someone would cut that jerk down to size! 3 parts 5,108 words Added Oct 2017 15k views 4.6 stars (14 votes) •Muscle Growth•Muscle/Strength•Size Decrease•Halloween•Complete •M/M

Costume for two by Cockatrice One year after the events of “First Costume,” Luke and Jeremy are invited to the Halloween party again—but this time Dan seems strangely silent. 7,185 words Added Nov 2023 1,984 views 5.0 stars (4 votes) •Multihead•Wristfeet•Detachable•Transformation•Human to Inanimate•Mouthcock•Merging•Centaurs•Demons•Halloween •M/M•M/M/M•M/M/M/...

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. 8,727 words Added Nov 2022 11k views 3.8 stars (18 votes) •Cock Growth•Cum inflation•Hyper Cum•Immobility•Muscle Growth•Transformation•Getting Taller•Nonconsensual change•Halloween•Superhero/Supervillain •M/M

Custom toy by Cockatrice Sven got a very special present for his boyfriend: part of himself. 1,656 words Added Dec 2019 6,351 views 4.4 stars (5 votes) •Detachable•Dildos/Toys•Christmas

D 8

Days & Knights by iHeywood Bash wants to surprise his family by coming home from college for Thanksgiving early. But he gets a surprise himself. His dad is sucking his own massive cock. 3 parts 9,852 words Added Apr 2022 Updated 28 May 2022 11k views 4.7 stars (35 votes) •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Muscle Growth•Age Difference•Incest•Father/Son•Thanksgiving •M/M•M/M/M

Demon brand jeans by alwaysmyway Shopping for creepy Halloween costumes at the last minute is probably not a good idea. 6,033 words Added Aug 2012 30k views 4.6 stars (30 votes) •Wings•Muscle Growth•Muscle/Strength•Incest•Brothers•Halloween•Flying •M/M

Desire baubles by Writ Bro Jack finds some super-gay Christmas ornaments that are all muscle, cock, and ass, so of course he brings a bunch home, just in time for the party with his closest friends. 3,034 words Added Dec 2019 7,129 views 4.4 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Incest•Twins•Christmas •M/M

Destructive boys: Dennis’s Christmas present by MarcusB00 Christmas has come around, and Mason has plans for his #1 fan to make his Christmas even better. 3 parts 3,523 words Added Dec 2020 7,985 views 4.8 stars (5 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Muscle Worship•Destruction/Violence•Christmas •M

Disappearance on the Overland Limited by Eclipse A train of luxury, a missing husband, and a mysterious monster on the Nevada sands await a detective and his assistant, but neither man can foresee the culprit’s intentions. 4 parts 6,609 words Added Oct 2020 Updated 31 Oct 2020 5,186 views 4.8 stars (11 votes) •Cock Growth•Huge Cock•Muscle Growth•Man Scent•Halloween •M/M

Dragon’s Horde: Five-fold drunker by STrRedWolf One should always check for interaction warnings on medications they take… especially if they interact with the special drink shots served at the Dragon’s Horde. 1,230 words Added Jan 2022 3,074 views •Cock Growth•Huge Cock•Multi-balls•Multicock•Multihead•Lots of Legs•Multiarm•Multileg•Multilimb•Stacking•Anthro/Furry•Metabods 25•Alcohol •NS

Dupli-Days: Valentine’s Day by TwinReplica This story follows Parker, a single guy on Valentine’s Day whose wish to be with his true love (himself) comes true! 2 parts 4,998 words Added Aug 2022 2,362 views 4.3 stars (8 votes) •Replication•Selfcest•Valentine’s Day •M/M•M/M/M•M/M/M/...

Dylan & Josh by MaxMorphs Tired of settling or doing without, Josh is determined to find a boyfriend with a more than ample package. Dylan meets his requirements… and then some. 16 parts 18k words Added Apr 2019 Updated 13 Jul 2019 31k views 4.6 stars (33 votes) •Cock Growth•Cockfucking•Huge Balls•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Gradual Change•Dildos/Toys•Christmas•April Fool’s Day •M/M

E 2

The elevator ride by BRK Another long, boring elevator ride… and you’ve resisted messing with your coworkers for so long. 3 parts 5,689 words Added Feb 2020 Updated 12 Mar 2022 17k views 4.5 stars (36 votes) •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•Selfcest•Bisexual•Gay Pride•Shapeshifting•X-Ray Vision•All Dialog•Complete •M/M•M/M/M

Empire by LenZelig A massive consolidation of the entire “Bill’s Education” universe, incorporating the previously separately posted “The Surfer”, “The Rescue”, “Spring Break”, “Pickup Trouble”, and “School Days”, “Empire” is the wide-ranging tale of easy transformation and even easier sex across all boundaries—friends, family members, genders, even species—as a fortunate crop of humans stumble into a wider universe of size, muscle, double-digit-length cocks and much, much more and discover the true meaning of shared, radical, uninhibited pleasure. 40 parts 366k words (#1) Added Apr 2019 Updated 1 May 2021 137k views 3.7 stars (6 votes) •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

F 8

The filling by UberPump Jason has a knack for pumping his cock and balls up with air or water, reveling in the increased size before cumming it out of him. When he attends a Halloween costume party, his drunken behavior leads him to explore his personal limits at the pool. However, once he begins he can’t stop, only attracting the attention of the muscleheads around him. 4,045 words Added Oct 2020 20k views 4.8 stars (13 votes) •Cock Growth•Cock Pumping•Cock Vore•Huge Balls•Ball Growth•Hyper Cock•Hyper Cum•Immobility•Humiliation•Nonconsensual change•Halloween •M/M/M

First costume by Cockatrice Luke is invited to a special Halloween party, though he does not know yet just how special that party is going to be. 6,359 words Added Oct 2020 11k views 4.9 stars (16 votes) •Cockless•Multihead•Wristfeet•Crotchhead•Detachable•Transformation•Body Suit•Human to Inanimate•Mouthcock•Rubber/Latex•Merging•Androids/Cyborgs•Centaurs•Halloween •M/M•M/M/M

The first Noël (and the second, and the third) by BRK Zac gives a hand to a couple of sexy strangers a week before Christmas, and is astonished to receive a generous stroke of goodwill in return a few days later. 2 parts 5,969 words Added Dec 2023 1,661 views 4.8 stars (6 votes) •Huge Cock•Extra digits•Multi-balls•Multicock•Multihead•Multiarm•Multilimb•Multipec•Replication•Stacking•Increased Libido•Detachable•Brothers•Twins•Androids/Cyborgs•Christmas •M/M•M/M/M

The four jocks: Adversaries by BRK The Game takes a darker turn when two pairs of antagonistic athletes challenge each other in a deserted room on Halloween night. 2 parts 8,546 words Added Oct 2022 5,653 views 4.5 stars (6 votes) •Always Hard•Cock Growth•Huge Cock•Multicock•Other Mental Changes•Straight to Gay•Muscle Growth•Increased Libido•Getting Handsomer•Voice Deepening•Getting Taller•Size Decrease•Size Increase•Halloween•Complete •M/M

Four-legged Ivan by Josh Dugan Let’s just say that four-legged Ivan is… multitalented. And he likes to share his experiences with his best friend (and himself). 12 parts 15k words Added Jul 2016 Updated 20 Oct 2018 27k views 4.7 stars (24 votes) •Cock Growth•Huge Cock•Multicock•All Legs•Four Legs•Lots of Legs•Multiarm•Multileg•Multilimb•Six Legs•Replication•Wristfeet•Muscle Growth•Detachable•Size Increase•Mouthcock•Selfcest•Centaurs•Christmas•Alcohol •M/M

Frank N. Stein’s monster by Musclesaber Dr. Franklin Nelson Stein has finally done it. He’s perfected a muscle growth formula that he plans on using on his husband Luke. Little do they know how Luke’s body will react to the formula after Luke ingests more than he intended. 2,826 words Added Oct 2021 10k views 4.8 stars (13 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle Theft•Butt Growth•Getting Taller•Supernatural •M/M

Freshman, fresh men by West Your best friend and secret crush is now your roommate during your freshman year of college. Both of your comfort levels with each other change when he emerges from the shower smelling fresher than ever, and also bigger each time. 7 parts 13k words Added Sep 2023 Updated 17 Feb 2024 23k views 4.8 stars (32 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Hyper Strength•Muscle Growth•Muscle/Strength•Always Shirtless•Butt Growth•Getting Taller•Size Increase•Retcon•Christmas•Valentine’s Day•Complete •M/M•M/M/M

Funsize by Ziel Enchanted Halloween candy sounds like fun—until it happens to you. 4,684 words Added Oct 2022 4,697 views 5.0 stars (2 votes) •Size Increase•Nonconsensual change•Halloween•Complete •M/M

G 9

Gene hack by Mikeytron New gene therapies allow bodybuilders to grow larger than ever before. But beware if you opt for a cut-rate procedure instead. 4,337 words Added Oct 2022 8,688 views 4.9 stars (24 votes) •Hyper Muscle•Pec Fucking•Immobility•Muscle Growth•Muscle Gut•Muscle/Strength•Gradual Change•Blood•Halloween•Complete •M/M

The gift of a Christmas fucking by Tym Greene A panther decides to give his too-well-endowed horse boyfriend something special for Xmas. 2,400 words Added Dec 2020 4,958 views •Huge Cock•Transformation•Rubber/Latex•Anthro/Furry•Christmas

Glasses needed by ZeroZeroNull After a day full of teasing, a couple's evening takes an unexpected turn as one happens to have a special gift for the other. 4,271 words Added Feb 2020 9,379 views 5.0 stars (2 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Valentine’s Day •M/M

Glitch by BRK Undercover as a university student inside a thriving, all-gay digital community, Torin starts experiencing unexplained, universe-wide glitches that progressively and seamlessly change Torin and everyone around him. 4 parts 14k words Added Dec 2020 Updated 6 Mar 2021 8,039 views 4.9 stars (10 votes) •Always Hard•Cock Growth•Huge Cock•Extra digits•Multi-abs•Multicock•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Replication•Stacking•Always Shirtless•Hyper Tongue•Tongue Growth•Retcon•Incest•Twins•Selfcest•April Fool’s Day •M/M•M/M/M

The good freak by Also Known As Kevin Peters is a cheerful, very fit young man who happens to be getting bigger and hotter in every way, much to the bemusement (and secret arousal) of his doctor. Soon the guys around him are growing too, and Dr. Donaldson discovers even he’s not immune... 33 parts 34k words Added Nov 2002 51k views 4.9 stars (25 votes) •Always Hard•Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Gradual Change•Getting Taller•Size Increase•Infectious•April Fool’s Day •M/M•M/M/M•t/t•t/t/t•M/t

Gooed friends by Ziel The author, prompted to write about multi-limb and keen to indulge in his love for “slime boys,” offers a story rife with gooey fun, cute sappy young love, multi-limbs, consentacles and some mild muscle and junk growth for good measure. 5 parts 39k words Added Jul 2014 Updated 5 Jan 2018 47k views 4.7 stars (73 votes) •Cock Growth•Huge Cock•Multicock•Multilimb•Size Increase•Goo People•Tentacle•Halloween•Shapeshifting •M/M

The great pumpkin by screamingmoist Four young vandals learn that it’s bad luck to destroy jack-o’-lanterns on Halloween. 8,028 words Added Oct 2021 7,604 views 4.7 stars (6 votes) •Public Orgasm•Getting Dumber•Other Mental Changes•Straight to Gay•Butt Growth•Increased Libido•Transformation•Size Decrease•Hairless•Nonconsensual change•Horror•Supernatural•Halloween •M/M/M/...

Growing the cumdump by Writ Bro To celebrate 25 years of Metabods, this tells the story of Jamie, who doesn’t know he needs to get gangfucked by 25 muscle studs to get the body of his dreams. 6,482 words Added Jan 2022 11k views 5.0 stars (3 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Cock Cage•Dom/Sub•Restraints•Sex-Slave•Metabods 25 •M/M/M/...

Guycanthropy by Ziel Jaimie was planning on spending Halloween at home gaming it up, but a text from his pal prompts him to go check up on their mutual friend. What Jaimie finds surpassed his largest and wildest dreams. 5,804 words Added Nov 2019 17k views 4.8 stars (9 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Getting Taller•Giants•Plausible Size Difference•Size Increase•Halloween •M/M

H 12

The Halloween costume by frooooooo A Halloween costume you share with your brother? Might be fun. What's the worst that could happen? 2,220 words Added Oct 2012 20k views 4.6 stars (16 votes) •Incest•Brothers•Merging•Halloween •M/M

Halloween foot powder by Bud Boytaurbody Someone spikes the punch with oddly labeled foot powder and guess what happens. 1,171 words Added May 2002 7,519 views •Multilimb•Wristfeet•Halloween

Halloween party by Josh Dugan Where the costumes are mainly altered bodies. 608 words Added Jan 1997 9,443 views •Huge Cock•Multicock•Multiarm•Multileg•Multilimb•Muscle/Strength•Centaurs•Halloween

Handsome young Saint Boytaurus by Josh Dugan A carol to the patron saint of multiple limbs, sung to the tune of “Jolly Old Saint Nicholas”. 77 words Added Dec 2016 5,275 views 5.0 stars (1 vote) •Boytaur•Multilimb•Christmas

Have yourself a megalithic Christmas by Ziel A sort of sequel/follow up/spin off to “A Miracle on 69th Street”. This time the story focuses on Calvin, a down on his luck dude who has long suffered under his overbearing and outright mean-spirited older brother, but all that’s about to change. It’s Calvin’s turn to be the “big” brother in every sense of the word. 8,115 words Added Dec 2016 14k views 3.6 stars (7 votes) •Cock Growth•Huge Cock•Hyper Cock•Giants•Size Increase•Incest•Brothers•Christmas

Hog nog by Bulklore A young personal trainer named Todd is invited to the annual holiday party for the gym’s staff and clients, but quickly his discipline is tested as cups of infamous ‘hog nog’ are passed around during a party game. 5,400 words Added Jan 2024 3,059 views 4.7 stars (6 votes) •Belly Growth•Feeding•Forced Growth•Getting Fatter•Christmas •M/M

Home for the holidays by BRK Leandro finds himself unexpectedly uninvited from his boyfriend’s family holiday shindig, leaving him stranded and lonely in a Christmas-bedecked town in the middle of nowhere. 3 parts 6,102 words Added Dec 2021 5,443 views 4.9 stars (7 votes) •Cock Growth•Huge Cock•Multicock•Multiarm•Multilimb•Replication•Muscle Growth•Muscle/Strength•Stretchy•Getting Taller•Size Increase•Mouthcock•Selfcest•Supernatural•Christmas•Complete •M/M•M/M/M/...

Home for the holidays by Richard Jasper Chris Kirkpatrick, an 18-year-old high school Big Man on Campus, is eager to see his slightly older brother Roger back “home for the holidays” after his first semester as a freshman at State. Boy, is he in for a surprise! 3,149 words Added Dec 2020 10k views 5.0 stars (11 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Incest•Brothers•Christmas •M/M

Huge changes: Book one by RdyRoger Todd’s love for his straight best friend turns them both into their fantasies of each other—with a little help from an old lady at a Halloween costume shop. 5,887 words Added Apr 2012 107k views 3.9 stars (21 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Size Increase•Halloween •M/M

Hung by the fireside with care by AndroSun A visit from Saint Nick can lead to your wishes coming true—even the ones you didn’t actually mail to the North Pole. 2,777 words Added Aug 2013 10k views 4.6 stars (8 votes) •Extra digits•Multi-abs•Multicock•Boytaur•Four Legs•Multiarm•Multileg•Multilimb•Christmas •M/M

Hung for the holidays by Ziel Kris Kringle the Third is back for another Christmas adventure! This time he and Nick visit a pair of guys who are stuck in their apartment and unable to go visit their families for the holidays. They might be stuck at home, but Kris has a plan to ensure that this Christmas is the best one yet. 9,842 words Added Dec 2020 7,000 views 5.0 stars (4 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Getting Handsomer•Christmas

Hyper active imagination by Ziel James’s attention wanders sometimes, usually in the direction of making the person he’s staring at not just hotter but impossibly muscled and unbelievably hyper-donged. It’s so vivid, it’s almost like it’s real... 5 parts 21k words Added Oct 2013 Updated 26 Mar 2022 61k views 4.6 stars (29 votes) •Cock Growth•Hyper Cock•Muscle Growth•Muscle/Strength•Public Nudity•Getting Taller•Giants•Size Increase•Christmas•Valentine’s Day•Complete •M/M

I 7

I wanna get huge by JayPat “I wanna get huge,” he said. 2 parts 21k words Added Oct 2012 62k views 4.5 stars (26 votes) •Muscle Growth•Muscle/Strength•Size Increase•Incest•Brothers•Christmas•Valentine’s Day •t/t

Incubi paradise by OneLuckyGuy89 Izqrt, the Incubus, now going by Ian, is horny and ready to turn this male college dorm into his own personal pleasure haven. 2,068 words Added Jan 2022 7,894 views 4.4 stars (8 votes) •Huge Balls•Huge Cock•Cock Body•Muscle Growth•Muscle Gut•Man Scent•Getting Handsomer•Voice Deepening•Getting Taller•Hair Growth/Getting Hairy•Incubus/Succubus•Metabods 25 •M/M•M/M/M

The interrogator by ed I’m a consultant for local law enforcement, with a unique ability to get the info they need. 3,187 words Added Jun 2021 6,094 views 5.0 stars (10 votes) •Huge Cock•Straight to Gay•Muscle/Strength•Muscle Worship•Voice Deepening•Dom/Sub•Nonconsensual change•Mind Control

Irresistible immobility by SomeMuscleGuy and BawlzyS James awakens to find himself strapped to a table in an ominous room with a masked, muscular man who has more than enough candy to share. This candy has some massive side effects, whether James wants it or not. 7,662 words Added Oct 2022 18k views 4.8 stars (18 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Multi-abs•Addiction•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle Worship•Transformation•Voice Deepening•Getting Taller•Giants•Forced Growth•Size Increase•Destruction/Violence•Nonconsensual change•Restraints•Halloween•Complete•Stories with Images •M/M

It hides in the woods by brazboy An innocent hike in the Peruvian highlands is visited by a mysterious monster, leaving four friends to flee for their survival – but it is as they say, you can run but you can’t hide. 3 parts 6,805 words Added Oct 2022 4,580 views 5.0 stars (3 votes) •Cock Vore•Huge Cock•Human to Cock•Cock Body•Public Nudity•Transformation•Nonconsensual change•Supernatural•Halloween•Complete •M/M•M/M/M/...

It’s a Christmas miracle! by Richard Jasper It’s 2 a.m. Christmas Day, and Roger Jepson finds a very big surprise in his kitchen! 3,628 words Added Apr 2020 6,502 views 5.0 stars (5 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Christmas •M/M

Ivan’s gift of self by Josh Dugan The Ivans and their lover exchange gifts, and of course they involve lots of legs. 3 parts 3,573 words Added Dec 2019 3,366 views 5.0 stars (1 vote) •Multicock•Four Legs•Lots of Legs•Multileg•Multilimb•Six Legs•Replication•Detachable•Selfcest•Christmas

J 5

Jaselove by BRK Hot young celeb Jase attends a secret surprise Halloween midnight appearance at popup concert, only to find that there’s something eerie going on—and his fans are even more obsessively devoted than usual. 4,851 words Added Oct 2021 3,747 views 4.7 stars (3 votes) •Huge Cock•Public Orgasm•Extra digits•Multicock•Multiarm•Multileg•Increased Libido•Detachable•Nonconsensual change•Halloween•Complete •M/M•M/M/M/...

Jizzer by Ziel Ethan drags his roommate Walt off to the woods on the outskirts of town to search for their mutual friend. 2,426 words Added Oct 2021 12k views 4.3 stars (9 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Immobility•Muscle Growth•Muscle/Strength•Giants•Size Increase•Infectious•Horror •M/M

Jon the growing stepdad by spacevlad Austin’s mother passes away, leaving behind a special gift. Austin uses this gift to give his stepdad, Jon, a new direction and motivation. Jon is eager to impress his stepson. 15 parts 61k words (#51) Added Oct 2022 Updated 10 Dec 2022 37k views 4.6 stars (32 votes) •Huge Cock•Muscle Growth•Muscle Gut•Muscle Worship•Man Scent•Belly Growth•Feeding•Gradual Change•Getting Taller•Plausible Size Difference•Size Increase•Suggestion•Father/Son•Dom/Sub•Humiliation•Christmas•New Year’s Eve•Valentine’s Day•Complete •M/M

Jungle bar jingle bells by Tym Greene Sometime in the fifties, in a dive bar by the Pacific Ocean, a couple’a fellas provide Santa with an extra helpful hand. 5,522 words Added Jan 2021 2,822 views •Transformation•Human to Animal/Anthro•Anthro/Furry•Christmas

Just 25 cents by Tym Greene A chubby greaser is having a rotten day. Luckily he runs across a mysterious prize dispenser that only costs a quarter to use…” 2,871 words Added Jan 2022 3,383 views 3.5 stars (2 votes) •Wristfeet•Transformation•Human to Animal/Anthro•Metabods 25 •NS

K 1

Koruna’s kiss by BRK Clem knows his birthmark sets him apart from the rest of the tribe, but it’s not until he starts his 25th year that he finds out why. 3,196 words Added Aug 2022 3,970 views 4.8 stars (5 votes) •Cock Growth•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Gradual Change•Transformation•Getting Taller•Size Increase•Destruction/Violence•Supernatural•Metabods 25•Complete •M/M

L 4

Landfall by BRK When the mighty starship Q.S.S. Knox is destroyed falling through a suddenly created wormhole, its portable A.I. finds himself marooned on an alien world with the one man he can't stop thinking about. 3 parts 12k words Added Dec 2019 6,695 views 4.8 stars (5 votes) •Cock Growth•Huge Cock•Extra digits•Multicock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Transformation•Getting Taller•Christmas•Complete •M/M

Little plant of horrors by PiggiestJ Morris’s life was rather dull until he came across a small plant to take care of. Little did he know the shenanigans the little thing would bring. 2 parts 5,330 words Added Sep 2020 Updated 31 Oct 2020 7,883 views 4.9 stars (9 votes) •Hyper Cum•Transformation•Plants•Nonconsensual change•Supernatural•Halloween •M/M

Lucky devil by beastofmarbas Amidst a global pandemic and after a summer of unrest, a guy cruising at a sex club encounters a mysterious figure and finds himself ensorcelled into a secret society. 5,685 words Added Oct 2021 4,423 views 5.0 stars (2 votes) •Huge Balls•Huge Cock•Hyper Cum•Demons•Horror•Supernatural•Halloween•Set during the Pandemic •M/M

Lycan-cock by Harvey Church After a late night drinking, Luka wakes up with a strange bite mark. He doesn’t think much of it until the moon comes out to awaken the beastly urges dwelling inside of him. 4,605 words Added Oct 2022 9,974 views 4.8 stars (31 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Self-suck•Cum Milking•Hyper Cum•Straight to Gay•Muscle Growth•Muscle/Strength•Man Scent•Increased Libido•Transformation•Plausible Size Difference•Size Increase•Anthro/Furry•Werewolves•Halloween •M/M

M 15

Made for each other by Richard Jasper Blake and Chad, two recent college graduates, meet at Muscles in Motion, the only gym in their small town in the Catskills. Thrown together as workout partners by the sex-on-a-stick straight boy personal trainer who doesn’t have any interest in clients beyond their bust size, Blake and Chad soon they really are Made for Each Other! 9 parts 11k words Added Jun 2020 6,902 views 3.7 stars (3 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Christmas•Halloween•Thanksgiving

Mal Sueno: A Halloween tale by JayPat When a dumped ex seeks revenge on a hot muscle douche named Luke, it means a chance for his scrawny younger brother Jordan to turn the tables. 3 parts 9,079 words Added Nov 2018 19k views 4.2 stars (18 votes) •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Humiliation•Nonconsensual change•Halloween •M/M•M/M/M

Mariposa Halloween by Cris Kane Lance brings a special surprise before he and his friends head out to West Hollywood for the Halloween block party. 2 parts 8,551 words Added Nov 2021 Updated 13 Nov 2021 6,307 views 4.2 stars (6 votes) •Huge Cock•Muscle Growth•Increased Libido•Transformation•Hair Growth/Getting Hairy•Werewolves•Supernatural•Halloween •M/M/M/...

Mass after Mass: A Christmas story by SamErgule Joshua returns to his homeland where a tradition of completing nine dawn Masses before Christmas Day is said to ensure your wishes are fulfilled. 5 parts 15k words Added Dec 2022 8,897 views 5.0 stars (8 votes) •Cock Growth•Huge Cock•Muscle Growth•Plausible Size Difference•Size Increase•Christmas•Complete•Stories with Images •M/M

Mass X by Max Mann Five short stories of men getting bigger and sexier, through the use of “Mass X”. 5 parts 19k words Added Feb 2005 49k views 4.7 stars (19 votes) •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Hair Growth/Getting Hairy•Age Difference•Incest•Father/Son•Christmas•New Year’s Eve •M/M

Massive by Alex Rif James finds the superhero costume his stepson had ordered from a strange website for Halloween, and decides to try it on. 2 parts 2,851 words Added Feb 2016 39k views 3.7 stars (17 votes) •Size Increase•Body Suit•Age Difference•Incest•Father/Son•Lycra/Spandex•Halloween•Superhero/Supervillain•Stories with Images •M/M

Meat by Mikeytron You are what you eat. A horror story for Halloween. 5,527 words Added Oct 2021 13k views 4.9 stars (47 votes) •Cock Growth•Hyper Cock•Addiction•Hyper Strength•Immobility•Muscle Growth•Muscle/Strength•Gradual Change•Halloween•Complete •NS

Medium gets large by Queen23 A small town medium meets a spirit with much bigger plans for the holiday. 6,351 words Added Oct 2022 5,973 views 5.0 stars (11 votes) •Cock Growth•Huge Cock•Muscle Growth•Getting Taller•Size Decrease•Ghosts•Supernatural•Possession•Halloween •M/M•M/M/M

Metaboi by BRK There’s a special clothing store that caters especially to the meta boi. If you’re their kind of customer you already know it—or you’ll soon find out. 8 parts 31k words Added Jun 2010 Updated 24 Nov 2017 66k views 4.8 stars (18 votes) •Always Hard•Huge Cock•Hyper Cum•Multi-abs•Multicock•Multihead•Multiarm•Multilimb•Multipec•Multitongue•Replication•Stacking•Muscle Growth•Getting Taller•Plausible Size Difference•Retcon•Selfcest•Body Swap•Merging•Thanksgiving •M/M•M/M/M

Metacafé by brazboy In a special corner of the city, unknown to most, there’s a place visited by a special crowd. 5,754 words Added Jun 2022 4,555 views 4.9 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Multi-abs•Multi-balls•Multicock•Four Legs•Multiarm•Multileg•Multilimb•Multipec•Stacking•Muscle Growth•Getting Taller•Size Increase•Brothers•Twins•Metabods 25 •M/M

A miracle on 69th Street by Ziel Christmas just doesn’t feel like Christmas this year for Nick, but a midnight visitor changes that. Santa Claus might not be coming this year, but Nick and his new friend sure are. 8,172 words Added Jan 2016 14k views 4.8 stars (8 votes) •Cock Growth•Huge Cock•Hyper Cock•Christmas •M/M

A miracle on 69th Street 2: Jingle bed rock by Ziel After the events of “A Miracle on 69th Street”, Nick visits Kris’s home at the North Pole only to find out that there is a strange caveat for having visitors in the magical land. 5,393 words Added Dec 2017 6,724 views 5.0 stars (1 vote) •Cock Growth•Huge Cock•Hyper Cock•Size Decrease•Christmas

The misadventures of Joe Hypercock by BRK It's New Year’s Eve, and Joe’s having a weird day in the city even before he meets the strange man and his wang gets made stupidly huge. 2 parts 7,261 words Added Apr 2019 11k views 4.4 stars (5 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Muscle/Strength•New Year’s Eve•Complete •M/M

Monster Mashup by matt1008 Four bored guys at a Halloween party decide to play a game that unexpectedly results in delightfully monstrous transformations. 7,288 words Added Oct 2020 7,332 views 4.8 stars (5 votes) •Huge Cock•Transformation•Size Increase•Sex-Slave•Anthro/Furry•Vampires•Werewolves•Supernatural•Halloween •M/M•M/M/M/...

My roommate (complete) by LenZelig Bill’s hot adventures with his irresistible sex-god of a roommate, Andy Wang, and the others drawn into his adventures, combined with the stories of Andy’s son and his friends. (This revised and updated compilation version includes both “My Roommate” and “My Roommate: The Next Generation.”) 29 parts 223k words (#3) Added Jul 2002 Updated 19 Jun 2021 165k views 4.5 stars (25 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Age Difference•First Time/Virgin•Incest•Brothers•Father/Son•Bisexual•Hetero Sex•Dom/Sub•Witch/Warlock/Wizard•Gay Pride•Mind Control•Complete •M/M•M/M/M•M/M/M/...•t/t•M/t•M/F•M/M/F

N 7

NAUGHTY by Ziel Parker has been dreading returning home for the holidays. His asshole older brother will be there, and that can only spell more misery... unless Parker gets some help from a different kind of Christmas Spirit. 8,792 words Added Dec 2023 4,658 views 4.9 stars (7 votes) •Cock Shrinking•Cock Theft•Huge Balls•Ball Growth•Huge Cock•Cock Body•Hyper Cock•Muscle Growth•Brothers•Nonconsensual change•Supernatural•Christmas •M/M

Network marketing by moonlight by Reo_Lion Why are werewolves compelled to spread their curse? Sounds like a pyramid scheme to me. 2 parts 13k words Added Oct 2021 6,066 views 4.8 stars (12 votes) •Cock Growth•Public Orgasm•Muscle Growth•Muscle/Strength•Transformation•Size Increase•Hair Growth/Getting Hairy•Anthro/Furry•Werewolves•Supernatural •M•M/M

Nightmare at the Pump House Gym by UberPump A bodybuilder encounters a strange man at the local gym who forces him to experience his deepest desires first-hand. The growth is intoxicating, but there’s a price to pay he doesn’t see coming. 7 parts 27k words Added Oct 2020 Updated 8 Jul 2023 42k views 4.8 stars (16 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Public Orgasm•Hyper Muscle•Pec Fucking•Immobility•Muscle Growth•Muscle/Strength•Forced Growth•Halloween •M•M/M•M/M/M•M/F

No reason by MaxMorphs At the gym, Pascal notices that not only is are his pecs getting huge, but his nips are showing under his hoodie more than they should. 3 parts 12k words Added Jan 2017 Updated 5 Nov 2022 48k views 4.8 stars (27 votes) •Huge Cock•Nipcocks•Nipple Emissions•Muscle Breast•Muscle Growth•Muscle Gut•Muscle/Strength•Belly Growth•Size Increase•Christmas •M/M

Nobody’s perfect by Also Known As A psychologist prepares himself to meet the subject whose response to the enhancement drug was so intense that just to be near him is to risk erotic overload… a man known only as Twenty-Five. 9 parts 54k words (#66) Added Feb 2022 Updated 8 Jul 2023 36k views 4.9 stars (32 votes) •Cock Growth•Huge Balls•Huge Cock•Muscle Growth•Increased Libido•Getting Handsomer•Transformation•Voice Deepening•Getting Taller•Plausible Size Difference•Size Increase•Hyper Pheromones•Infectious•Metabods 25 •M/M

Noel’s literary gift by brazboy Luciano’s flatmate Noel decides to give him a special Christmas present: a notebook that guarantees that everything written in it is true. The notebook is as powerful as it sounds, although it also seems to be affected by Luciano’s desires and perhaps its own innate mischievousness, creating a snowball effect that twists the entire world.  3 parts 12k words Added Dec 2022 8,919 views 4.6 stars (17 votes) •Cock Growth•Cockfucking•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Nipcocks•Self-suck•Hyper Cum•Nipple Emissions•Public Orgasm•Multi-abs•Multi-balls•Multicock•Four Legs•Multiarm•Multileg•Multilimb•Multipec•Multitongue•Stacking•Straight to Gay•Muscle Growth•Public Nudity•Getting Handsomer•Voice Deepening•Getting Taller•Plausible Size Difference•Size Increase•Age Regression•Hyper Tongue•Tongue Growth•Retcon•Incest•Brothers•Christmas•Complete •M/M•M/M/M

Not your normal New Year’s night by alwaysmyway After they get invited to a New Years’s Eve costume party, Craig and Tanner check out a shop that offers some very effective costumes. 13k words Added Aug 2012 19k views 5.0 stars (4 votes) •Muscle Growth•Muscle/Strength•Vampires•New Year’s Eve

O 3

One hot summer by BRK Brandon and Eddie enjoy working for their pot-loving boss, Mike, at the pizza place near campus and are bummed they can’t stick around for the summer, too. Mike offers them a possible solution, though he doesn’t let them in on all his plans for the coming summer. 54 parts 119k words (#17) Added Jun 2019 Updated 25 Jun 2022 73k views 4.9 stars (54 votes) •Always Hard•Cock Growth•Huge Cock•Self-suck•Replication•Other Mental Changes•Muscle Growth•Muscle/Strength•Always Shirtless•Increased Libido•Gradual Change•Voice Deepening•Getting Taller•Giants•Plausible Size Difference•Size Decrease•Size Increase•Hair Growth/Getting Hairy•Incest•Brothers•Twins•Selfcest•Nonconsensual change•Body Swap•Shared Body•Fourth of July•Gay Pride•Complete•Cannabis •M•M/M•M/M/M•M/M/M/...

Opportunities and escalations by BRK Brothers Coren and Pranam are diverted from their usual slightly roguish pursuits by an accidental teleport to a highly secure space station. Facing potentially dire accusations, Coren’s pilfering skills put them in possession of a device that might just alter the balance of things—and give Coren a chance to indulge in a bit of mischief aimed at his attention-loving brother. 2,564 words Added Apr 2023 2,633 views 5.0 stars (2 votes) •Cock Growth•Huge Cock•Replication•Public Nudity•Mouthcock•Incest•Brothers•Selfcest•Nonconsensual change•Space Travel•April Fool’s Day •M/M

Outgrowth by BRK Warin gets a special gift from his boyfriend—one that lets him be much more than just a pretty boy-toy. 2,905 words Added Feb 2024 6,055 views 5.0 stars (6 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Muscle Growth•Muscle Gut•Muscle/Strength•Belly Growth•Gradual Change•Giants•Size Increase•Age Difference•Dom/Sub•Valentine’s Day •M/M

P 6

Party of the year by screamingmoist A pair of friends end up with both tricks and treats after a Halloween party takes them in an unexpected direction. 5,696 words Added Oct 2022 4,537 views 4.2 stars (5 votes) •Muscle Growth•Transformation•Age Progression•Hair Growth/Getting Hairy•Halloween •M/M

The perfect fit by TheSizeKing When someone can grow you to whatever size you want, make sure they know how big you want to be. Otherwise things can go a little overboard. 5 parts 14k words Added Jun 2020 Updated 22 Aug 2020 25k views 4.7 stars (26 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Getting Taller•Gay Pride •M/M

Plus one by Double-U I thought getting a new suite mate would be nothing but bad news. But that was before I learned he was a hot, muscular stud. 6,632 words Added Aug 2016 17k views 4.7 stars (21 votes) •Muscle Growth•Muscle/Strength•Transformation•Size Increase•St. Patrick’s Day

Pride by NBCK99 Jake attends his first Pride parade with his boyfriend Ross and is a bit overwhelmed, so they step into a bar—where it turns out the impressively hot and muscular patrons and staff take a shine to the new arrivals. 6,482 words Added Jul 2018 15k views 4.9 stars (11 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Voice Deepening•Getting Taller•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Gay Pride

Public relations by Maximilian When Jamie gets an out-of-the-blue invitation to meet up with a friend he’d fallen out of touch with, he doesn’t realize Adam has an ulterior motive—or that it involves an unwilling introduction to growth and magic. 18 parts 125k words (#13) Added Jun 2015 Updated 27 Apr 2019 68k views 4.8 stars (44 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle Gut•Muscle/Strength•Getting Taller•Giants•Plausible Size Difference•Size Decrease•Size Increase•Hair Growth/Getting Hairy•Destruction/Violence•Restraints•Witch/Warlock/Wizard•Gay Pride •M/M

Purple is transformation by brazboy New Year’s Eve is a day surrounded by superstition, one of the most famous being that the color that you choose to wear is associated with something that is going to happen in the new year. Orange is strength, red is sex, green is hope, and purple… purple is transformation! 5,891 words Added Dec 2022 5,241 views 4.8 stars (6 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Public Orgasm•Multicock•Straight to Gay•Hyper Muscle•Muscle Growth•Public Nudity•Plausible Size Difference•Retcon•New Year’s Eve•Complete •M/M

Q 1

Quite the party by Josh Dugan One of the more creative Halloween parties brings surprise after surprise. 4 parts 3,539 words Added Oct 2019 Updated 7 Dec 2019 6,863 views 3.9 stars (8 votes) •Huge Cock•Multicock•All Legs•Lots of Legs•Multiarm•Multileg•Multilimb•Six Legs•Replication•Wristfeet•Muscle/Strength•Selfcest•Centaurs•Naga•Halloween•Alcohol

R 9

Random acts of muscle by Mad Dog Three stories involving Steve, a muscle-loving guy who can alter reality. 3 parts 11k words Added Aug 2009 Updated 27 Dec 2010 39k views 4.6 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Belly Growth•Size Increase•Age Progression•Race/Ethnicity Change•Hair Growth/Getting Hairy•Retcon•Nonconsensual change•Christmas •M/M•M/M/M•M/M/M/...

Reality Pack by Thorn What happens when the program you’re working on for school has a downloadable mod? You investigate it of course! 15 parts 79k words (#36) Added Nov 2020 Updated 27 Feb 2021 57k views 4.9 stars (42 votes) •Cock Growth•Huge Cock•Pec Fucking•Muscle Breast•Muscle Growth•Muscle/Strength•Butt Growth•Belly Growth•Gradual Change•Getting Taller•Plausible Size Difference•Hair Growth/Getting Hairy•App•Age Difference•First Time/Virgin•Incest•Brothers•Father/Son•Valentine’s Day •M/M•M/M/M

The rent boy who saved Christmas by BRK Cody and his extra-large cock have a premium gig going, until a few random words to the wrong person turn him into the magical nephew of a very real supernatural being—and this year, Uncle Kris needs his help. 2 parts 8,386 words Added Dec 2022 5,021 views 5.0 stars (10 votes) •Cock Growth•Huge Balls•Huge Cock•Replication•Muscle Growth•Size Increase•Retcon•Selfcest•Merging•Supernatural•Christmas •M/M•M/M/M•M/M/M/...

Resolution by Cris Kane Two old friends are slogging through another New Year’s Eve until one of them makes a choice that breaks them out of their rut. 7,956 words Added Mar 2019 7,541 views 5.0 stars (4 votes) •Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•New Year’s Eve

Resolution by Richard Jasper Skimpy young Ben, stuck for Christmas in a bumfuck town on the high plains, is astounded that Max, the bartender keeping him company, is a total musclebear stud! He resolves to come back in a year a bigger and better man and with Max’s encouragement does just that. 8 parts 6,657 words Added Sep 2020 7,084 views 4.0 stars (5 votes) •Cock Growth•Huge Cock•Hyper Cock•Hyper Strength•Muscle Growth•Muscle/Strength•Gradual Change•Getting Taller•Size Increase•New Year’s Eve

Resolutions by BRK Ray intercepts a seemingly magical book of fill-in-the-blank New Year’s resolutions his boss, Danny, had ordered, and starts making plans for improving Danny’s too-boring sex life. 13 parts 71k words (#41) Added Jan 2021 Updated 12 Feb 2022 38k views 4.9 stars (36 votes) •Cock Growth•Huge Balls•Huge Cock•Self-suck•Hyper Cum•Other Mental Changes•Hyper Muscle•Muscle Growth•Muscle/Strength•Increased Libido•Size Decrease•Size Increase•Tongue Growth•Retcon•Suggestion•Nonconsensual change•New Year’s Eve•Complete •M•M/M•M/M/M•M/M/M/...

The royal stone by BRK In a hidden pocket kingdom in a corner of the Alps, Pete discovers a strange pink stone once thought to be of mystical significance to his ancestors, signified by the inscribed numerals, X, X, and V. 5,462 words Added Jan 2022 2,984 views 4.4 stars (5 votes) •Extra digits•Multicock•Multiarm•Multilimb•Multitongue•Replication•Selfcest•Metabods 25•Complete •M/M•M/M/M/...

Rudolph by Josh Dugan Just doing his job, a salesperson inadvertently ruins one of the most riveting broadcasts a customer has ever seen. 899 words Added Apr 2003 9,101 views 4.0 stars (1 vote) •Four Legs•Multilimb•Christmas

Ryan and Matt forever by Manning 14 parts 19k words Added Jan 2014 12k views 2.0 stars (3 votes) •Cock Growth•Huge Cock•Muscle/Strength•Valentine’s Day

S 17

Santa’s big surprise by Silverfox Dad Jeremy has not only been obsessed with Santa, he's seen him and knows he's real. So when a friend at the gym gives him a muscle-growth supplement meant to give him confidence enough to talk to his beautiful bodybuilder crush Marco, Jeremy decides instead to give Santa a gift of his own. 3 parts 7,594 words Added Jan 2017 19k views 4.9 stars (12 votes) •Muscle Growth•Muscle/Strength•Size Increase•Infectious•Christmas •M/M

Santa’s big surprise: Family visit by Silverfox Dad Muscle studs Jeremy and Marco are incredibly happy together thanks to Santa’s gift the year before, and with their stunning physiques they have money and fans and everything they could need. Now, if only their families weren’t coming for Christmas… 2 parts 6,719 words Added Dec 2018 10k views 5.0 stars (5 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Age Difference•Seniors•Christmas •M/M

The secret by Sean Innicioni 1,297 words Added Dec 2009 15k views 4.3 stars (3 votes) •Huge Cock•Multicock•Multiarm•Multileg•Multilimb•Christmas

Secret Santa by BRK Joe’s crew at his new firehouse are destined to become very important to him, but the extent to which he’s more and more heart-thuddingly attracted to his handsome, well-muscled workmates worries him more than a little. 3 parts 15k words Added Dec 2016 17k views 5.0 stars (15 votes) •Cock Growth•Huge Cock•Multi-abs•Multiarm•Multileg•Multilimb•Three Legs•Replication•Muscle Growth•Muscle/Strength•Always Shirtless•Incest•Brothers•Selfcest•Christmas•Complete •M/M•M/M/M/...

Selene’s song by BRK Visiting a nearby carnival staffed by an array of very realistic “monsters” with his college buddies, film student William happens across a funfair movie-house just off the midway showing a selection of mysterious and obscure items—including an unknown horror-genre “found footage” werewolf short William knows he can’t leave without seeing. 16k words Added Mar 2024 2,304 views 5.0 stars (11 votes) •Muscle Growth•Muscle/Strength•Transformation•Voice Deepening•Getting Taller•Size Increase•Human to Animal/Anthro•Hair Growth/Getting Hairy•First Time/Virgin•Orcs•Werewolves•Urban Fantasy•Horror•Supernatural•Halloween•Complete •M/M

Serial muscle by Richard Jasper Not the author's usual fare, including as it does rape and murder (and lots of both). Detective Hank Fairly is trying to figure out who’s behind the bizarre murder of multiple handsome young gay men around the country. Originally a Halloween offering. 6 parts 6,290 words Added Oct 2020 6,227 views 5.0 stars (2 votes) •Huge Cock•Muscle Growth•Muscle/Strength•Body Suit•Nonconsensual change•Nonconsensual sex•Supernatural•Halloween

Sexi-Phi by BRK Joining a frat turns out to be a big transition for Holden, especially given the way his body is reacting to all his extra-hot house-brothers. 10 parts 62k words (#49) Added Jun 2023 Updated 30 Mar 2024 31k views 5.0 stars (36 votes) •Always Hard•Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Public Orgasm•Muscle Growth•Always Shirtless•Public Nudity•Increased Libido•Gradual Change•Getting Taller•Incest•Father/Son•Twins•Hyper Pheromones•Christmas •M•M/M

The silver alchemist by BRK Alex and Jessie are two apprentice sorcerer-alchemists playing with spells they haven’t quite mastered, when a casting takes an unexpected turn. 2 parts 6,932 words Added Jan 2022 4,229 views 4.7 stars (6 votes) •Transformation•Hair Growth/Getting Hairy•Retcon•Time Travel•Witch/Warlock/Wizard•Metabods 25•Invisibility•Complete•19th Century •M/M

Size of love by Bigmusclenm Lucas is bitter and disillusioned about love. His ex-boyfriend cheated on him and cited Lucas's penis size as the problem. Lucas is proud of his body but still feels rejected and unlovable. He tries to find a date on a dating app without success until he receives a message from Dane, who is interested in him despite his size. 5,179 words Added Feb 2024 5,399 views 5.0 stars (9 votes) •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Cum inflation•Hyper Cum•Muscle Breast•Muscle Growth•Butt Growth•Belly Growth•Inflation•Valentine’s Day•Stories with Images •M/M

The size tunnel by John Smith Everyone says the abandoned tunnel is haunted, but is it really? Larry and Jay attempt to disciver just what’s in there. 2,324 words Added Oct 2022 5,004 views 3.4 stars (5 votes) •Cock Growth•Huge Cock•Hyper Cock•Getting Taller•Giants•Size Decrease•Size Increase•Halloween•Complete •M/M/M

Snow in the North Pole by iHeywood Snow doesn't know what to do with his life after barely graduating high school. Maybe Santa will have an idea. 1,255 words Added Dec 2022 2,692 views 4.3 stars (6 votes) •Huge Cock•Incest•Brothers•Father/Son•Christmas •M/M•M/M/M

Software upgrades by King Dave Like many people, Jacob has been working from home since Covid-19 hit in March. Now in late December, an update to the video chat software gives him and his hunky coworker a pleasant surprise. Good think he didn’t take the day off! 3 parts 7,945 words Added Dec 2020 Updated 9 Jan 2021 13k views 4.8 stars (23 votes) •Cock Growth•Huge Cock•Muscle Growth•Gradual Change•Getting Taller•Size Increase•Retcon•Suggestion•Christmas•Hanukkah•Set during the Pandemic •M/M

Spice by Mr. X and Mad Dog In this epic story, the transformative powers of a certain substance are tested by a couple of very horny guys. 50 parts 221k words (#4) Added Oct 2009 Updated 9 Nov 2019 239k views 4.4 stars (63 votes) •Cock Growth•Huge Cock•Other Mental Changes•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle Theft•Muscle/Strength•Muscle Worship•Man Scent•Foot Growth•Gradual Change•Transformation•Voice Deepening•Getting Taller•Size Increase•Hair Growth/Getting Hairy•Age Difference•Incest•Father/Son•Supernatural•Gay Pride•Alcohol •M/M•M/M/M

Spice up your life by Musclesaber Roommates Sam and Collin try to return to a life of normalcy after the pandemic. Trying to have a get together with friends, Sam buys a new spice pack at the store that has some surprises in store for the pair. 8 parts 22k words Added Feb 2021 Updated 7 Aug 2021 27k views 5.0 stars (23 votes) •Cock Growth•Huge Cock•Muscle Growth•Butt Growth•Belly Growth•Getting Taller•Fourth of July•Set during the Pandemic •M/M

Stuck in the neighborhood by Cris Kane Brett is annoyed that the gay pride parade won’t let him get where he wants to go. 4,305 words Added Jun 2021 4,861 views 5.0 stars (3 votes) •Butch-to-Fem•Getting Dumber•Other Mental Changes•Straight to Gay•Transformation•Nonconsensual change•Lycra/Spandex•Body Swap•Gay Pride

Summer research by spacevlad Dave, an ambitious researcher at a well-known university, hires an eager-to-grow football player to test an experimental growth supplement. The experimental growth supplement works much better than anticipated and Grunt gains over 50 pounds in just a week, though with some troubling side-effects. 12 parts 29k words Added Oct 2017 Updated 22 Dec 2017 57k views 4.8 stars (29 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Getting Dumber•Other Mental Changes•Straight to Gay•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle Gut•Muscle/Strength•Man Scent•Belly Growth•Getting Taller•Giants•Plausible Size Difference•Size Increase•Hair Growth/Getting Hairy•Destruction/Violence•Sex-Slave•Fourth of July •M/M

A super costume party by Redouan It’s Halloween and Josh’s friend loves to go to Halloween costume parties. Josh hates dressing up, so he has to deal with the dilemma: will he wimp out, or will he show up and show off as a superhero? 6,511 words Added Oct 2021 8,501 views 3.8 stars (10 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cum•Public Orgasm•Muscle Growth•Muscle/Strength•Muscle Worship•Gradual Change•Retcon•Lycra/Spandex•Halloween•Superhero/Supervillain•Complete •M/M/M/...

T 8

1313 Raven Lane (revised) by WordShop Two young guys find themselves in trouble on Halloween night after a party. They hide in an old house with the reputation of being haunted. We don't believe in haunted houses, now do we? 4 parts 11k words Added Sep 2017 27k views 4.6 stars (9 votes) •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Hair Growth/Getting Hairy•Nonconsensual change•Ghosts•Halloween •M/M

This is Sean by Cockatrice Michael is nervous because he is bringing his boyfriend Sean to his parents’ place for the first time. Even more, Sean is a werecock and does not understand why that has to be kept a secret from Michael’s parents... 2 parts 12k words Added Mar 2020 Updated 28 Jan 2023 6,267 views 4.8 stars (6 votes) •Human to Cock•Transformation•Cocktaur•Christmas •M/M

The time we had by Cockatrice A nature spirit enters the life of two lonely men, providing company and emotional support. 5,179 words Added Dec 2021 2,288 views 5.0 stars (1 vote) •Inanimate to Human•Plants•Supernatural•Christmas •M/M

Toil and trouble by Ziel Wyatt and Jordan wander off the path at a haunted house and encounter a witch brewing up something just for them. 4,030 words Added Oct 2017 12k views 5.0 stars (8 votes) •Huge Cock•Hyper Cock•Multicock•Multiarm•Multilimb•Muscle Growth•Muscle/Strength•Size Increase•Halloween •M/M

Twenty-five by Derek Williams Austin is a cocky young escort. When he meets up with an older client, he finds himself losing his youth and transforming into a sexually charged musclebeast. 3,571 words Added Jan 2022 8,033 views 4.8 stars (14 votes) •Muscle Growth•Increased Libido•Age Progression•Hair Growth/Getting Hairy•Age Difference•Nonconsensual change•Metabods 25 •M/M

25 bottles of beer on the wall by Seth Peterson A New Year’s frat initiation bears some very delicious fruit for newcomer Mateo! 1,443 words Added Jan 2022 6,540 views 4.7 stars (6 votes) •Cock Growth•Muscle Growth•Getting Handsomer•Voice Deepening•Getting Taller•Hair Growth/Getting Hairy•New Year’s Eve•Metabods 25•Alcohol •M/M/M/...

2525 Doubled Lane by TwinReplica After a long search, Lane has finally found his dream home, but finds there may be more to the house’s technology than meets the eye. 2 parts 6,940 words Added Jan 2022 2,911 views 5.0 stars (9 votes) •Replication•Selfcest•Metabods 25 •M/M•M/M/M/...

Twinning: The college years by BRK At college, Will attracts the attention of a sexy, Irish hockey player who pushes all Will’s buttons—but now that he’s in this new world Will isn’t sure he can share all of himself with his slowly growing admirer. 8 parts 37k words Added Mar 2017 Updated 9 Oct 2021 27k views 5.0 stars (11 votes) •Always Hard•Cock Growth•Huge Cock•Hyper Cock•Self-suck•Extra digits•Multi-abs•Multicock•Multitongue•Replication•Muscle Growth•Muscle/Strength•Always Shirtless•Getting Taller•Size Increase•Tongue Growth•Selfcest•St. Patrick’s Day •M/M•M/M/M/...

U 3

The unclothed man by Mask Any man that spends too much time alone with our protagonist ends up having their articles of clothing disappear. Forever. What happens when the new neighbor across the hall moves in on Christmas Eve all alone? 3 parts 9,410 words Added Dec 2023 1,758 views 4.7 stars (10 votes) •Straight to Gay•Always Shirtless•Public Nudity•Retcon•Christmas•Complete •M/M

An unexpected gift by ZeroZeroNull A lonely student gets an unsuspected present as he comes home for the week-end. 4,739 words Added Jul 2019 7,662 views 5.0 stars (3 votes) •Huge Cock•Hyper Cum•Muscle/Strength•Anthro/Furry•Anthro/Scaly•Dragons•Christmas

An unexpected party by TheLegendOfSam Fashion model Zeke gets more than he bargained for at the agency’s annual Halloween party, this year hosted at one of the summer homes of his new billionaire colleague, and finds a whole new meaning for the phrase “sexy costume”… 2 parts 4,699 words Added Oct 2020 6,206 views 4.5 stars (4 votes) •Extra facial features•Multi-abs•Multicock•Multihead•All Legs•Multiarm•Multileg•Multilimb•Three Legs•Multitorso•Replication•Selfcest•Merging•Aliens•Centaurs•Mermen•Supernatural•Halloween

V 1

Vengeance is mine by Tereshky A group of frat boys terrorize a college town with their extreme wealth and privilege until forces from the other side intervene to put them in check. Will any of them be recognizable by the end of the night? Will they even be human? 4,521 words Added Oct 2020 6,626 views 4.7 stars (3 votes) •Huge Cock•Hyper Cum•Muscle Growth•Size Increase•Human to Animal/Anthro•Nonconsensual change•Horror•Supernatural•Halloween •M/M

W 1

When two dudes love each other veeeeery much... by Alex Anders When two dudes love each other very much, lots of good things can happen. 763 words Added Feb 2024 1,126 views 5.0 stars (2 votes) •Multi-abs•Multicock•Multihead•Multiarm•Multileg•Multilimb•Three Legs•Multipec•Merging•Valentine’s Day•Complete •M/M

X 1

X-mass by Ziel With illustrations by Seraphiel. Clive thinks he’s in for a long, lonely Christmas break. It seems everyone else has left town to spend the holidays with their family, and he’s stuck hanging out with his roommate who he barely even knows! But a mysterious gift shows up and changes everything. This is one gift that definitely keeps giving! 8,466 words Added Dec 2019 29k views 4.7 stars (19 votes) •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Getting Taller•Giants•Size Increase•Christmas•Stories with Images •M/M

Y 1

Young Buck by Proteus Buck’s admiration for the size and beauty of the gym’s hottest, most arrogant stud, Nate, will be all the greater when he possesses those qualities for himself. 1,375 words Added Feb 2022 14k views 4.7 stars (9 votes) •Cock Growth•Cock Shrinking•Cock Theft•Muscle Growth•Muscle Theft•Muscle/Strength•Size Decrease•Size Increase•Age Progression•Age Regression•Dom/Sub•Nonconsensual change•Metabods 25 •M/M

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