Period Tag Group

Stories that fall into the tag group “Period”.

  Subtags: 19th Century;Ancient Era;Early/Mid 20th Century;Medieval(ish);Set during the Pandemic;Set in the Future;Set in the Past;Time Period/Social Context.

A 7

Adam’s milk by Adam Zander Adam’s dreams of growing massive pec-tits like the wrestlers he admires come true—in spades. 2 parts 2,600 words Added May 2015 59k views 3.4 stars (20 votes) No comments yet •Cock Growth•Hyper Cock•Nipple Emissions•Muscle Breast•Size Increase•Set in the Future

Adventures of an Ivy League himbo by iHeywood This is a story all about how Liam Montgomery became the best himbo ever while a student at an Ivy League university. 2 parts 5,749 words Added Jun 2022 21k views 5.0 stars (21 votes) No comments yet •Huge Cock•Hyper Cock•Nipcocks•Hyper Cum•Nipple Emissions•Multicock•Hyper Anus•Male Pregnancy•Incest•Father/Son•Set in the Future •M/M•M/M/M

Alchemist pet by Healthy_League4024 An alchemist is still getting over a bad breakup when something happens that makes his snake, Ash, able to relate to him in a whole new way. 2 parts 5,709 words Added May 2024 5,810 views 4.9 stars (15 votes) No comments yet •Feeding•Getting Taller•Size Increase•Hairless•Humiliation•Vore•Anthro/Scaly•Medieval(ish) •M/M

The all-powerful Musketeer by Cardi Muscle Man A humble and modest Musketeer is given superhuman powers simply for being kind. 10 parts 7,968 words Added Jun 2023 Updated 16 Sep 2023 9,544 views 2.5 stars (11 votes) No comments yet •Hyper Strength•Muscle Theft•Muscle/Strength•Witch/Warlock/Wizard•Complete•Medieval(ish) •M

Amat In Idlenesse by Tym Greene A fox priest finds an unorthodox way to ease his leopard lord's guilty conscience. 4,723 words Added Jul 2023 3,421 views No comments yet •Anthro/Furry•Medieval(ish) •M/M

Andro-Gro anonymous by LucaWLee Fresh out of cryosleep in the post-apocalyptic Southwest, Phoenix journeys with a hulking Kassian and a wolfish Fynn in search of an irresistible growth-inducing drug. 3 parts 6,673 words Added Jan 2023 10k views 5.0 stars (15 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Cum Milking•Hyper Cum•Hyper Muscle•Muscle Growth•Muscle/Strength•Set in the Future •M/M

Augmentations by Also Known As Pursuing a fantasy, a successful man hires an erotic partner who’s been augmented, but the kinds of pleasures his new lover can share with him are far beyond anything he’d imagined. 18 parts 99k words (#32) Added Jan 2014 53k views 4.4 stars (13 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Man Scent•Getting Handsomer•Size Increase•Set in the Future •M/M

B 5

B.D.E. by Ziel While orbiting a nearby planet, the ship detects an unusual energy signature. Parker and Quill are sent down to investigate, but things take a turn for the smutty when Parker’s suit is compromised. 3,531 words Added Aug 2018 26k views 4.0 stars (7 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Aliens•Space Travel•Set in the Future •M/M

Beyond Marrakech by brazboy What lies beyond Marrakech, gateway to the inhospitable Sahara? There lie lush green oases amidst the endless sand, made possible and populated by an unusual variety of men, their society, their rules and rulers. 6 parts 10k words Added Feb 2023 14k views 4.8 stars (9 votes) No comments yet •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/...

The birth of divinity by Daliah Grows With the modern discovery of an ancient tomb, we see the past trials on the path to godhood. Will modern men fall privy to the same mistakes, or will they engorge beyond their mortal limitations? 18 parts 24k words Added Jan 2025 Updated 26 Apr 2025 22k views 4.7 stars (7 votes) No comments yet •Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Hyper Muscle•Immobility•Muscle Growth•Muscle Gut•Man Scent•Voluptuous Men•Butt Growth•Belly Growth•Voice Deepening•Getting Taller•Giants•Forced Growth•Size Increase•Hair Growth/Getting Hairy•Getting Fatter•Time Travel•Pagan gods•Complete•Ancient Era •M•M/M•M/M/M

Birthday benefaction by BRK Esmond is thrilled. His birthday has finally come, and he’s looking forward to the end of his year of service with the prickly, sarcastic mage in the tower. What he’s not expecting, though, is a birthday gift from the old man. Does he have an ulterior motive? 2 parts 6,783 words Added Apr 2025 Updated 21 Jun 2025 6,083 views 4.9 stars (13 votes) No comments yet •Cock Growth•Hyper Cum•Increased Libido•Getting Handsomer•Gradual Change•Incest•Brothers•Nonconsensual change•Witch/Warlock/Wizard•Medieval(ish) •M•M/M

Blowback by BRK Egyptologist Colin Quigley’s petty use of a mummy’s curse to turn his rival into a cum-craving libertine brings on unwanted consequences. 2,506 words Added Jun 2024 8,128 views 5.0 stars (13 votes) No comments yet •Always Hard•Cock Growth•Huge Cock•Hyper Cum•Gradual Change•Nonconsensual change•Pagan gods•Complete•Early/Mid 20th Century •M/M

C 6

Cadence by BRK Lucius, an ex-ancient Roman whose peculiar curse involves the beauty of the men around him, suddenly finds that everything he thought he knew about his uncontrollable abilities has changed when he's discovered by a trooper one night sleeping in his car on a lonely stretch of Midwestern highway. 6 parts 31k words Added Nov 2016 Updated 16 Mar 2019 28k views 4.6 stars (14 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Getting Taller•Plausible Size Difference•Size Increase•Destruction/Violence•Witch/Warlock/Wizard•Pagan gods•Immortality•Ancient Era •M/M

Centaur of attention by gifts of the night Marooned on an island, Jason is rescued by boytaur Sundgren. 3 parts 3,393 words Added Mar 2005 13k views 3.0 stars (1 vote) No comments yet •Huge Cock•Boytaur•Multileg•Multilimb•Early/Mid 20th Century

Centurion of light by Ravine Mountain A great new story in which a centurion, Marcus, and five of his best men are transformed by the god Mars—and charged with a mission. 12 parts 38k words Added May 2014 Updated 5 Jan 2019 65k views 4.9 stars (50 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Nipcocks•Hyper Cum•Nipple Emissions•Multi-abs•Muscle Growth•Muscle/Strength•Voice Deepening•Size Increase•Incest•Twins•Demons•Pagan gods•Ancient Era •M/M•M/M/M•M/M/M/...

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 22k views 4.9 stars (17 votes) No comments yet •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

Click bate by Dream Big Andy didn’t remember ordering this weird butt and cock pleasuring equipment, but, hey, it looked like it might be fun to play with… 26 parts 23k words Added Nov 2020 Updated 5 Mar 2022 38k views 4.9 stars (38 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Other Mental Changes•Increased Libido•Transformation•A.I.-Controlled Change•Dildos/Toys•Merging•Set during the Pandemic •M/M•M/M/M/...

Cybersex 2047 by Unknown Everything’s changed in the future, and that definitely includes what’s possible when it comes to sex. 2,199 words Added Jul 2013 15k views 5.0 stars (2 votes) No comments yet •Huge Cock•Set in the Future •M/M

D 3

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. 2,324 words Added Jan 2022 10k views 4.0 stars (4 votes) No comments yet •Cock Growth•Pointy Ears•Getting Taller•Plausible Size Difference•Size Decrease•Size Increase•Anthro/Furry•Set during the Pandemic •M/M

Dig’s island by BRK Shipwrecked on a remote island, four brothers grow up to be incredibly close—and that’s before they encounter a secret power on the island that transforms them each in different ways. 4 parts 3,756 words Added Mar 2005 32k views 4.3 stars (10 votes) No comments yet •Cock Growth•Huge Cock•Multiarm•Wings•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•Incest•Brothers•Flying•Complete•19th Century •M/M/M/...

The dread wolf by Dace Cathal is sentenced to a trial by the gods for the death of a druidess. If he survives, he'll serve them for the rest of his life. Odhran can't bear the thought of either happening to the man he's secretly in loved for years. 8,603 words Added Jul 2025 633 views 4.5 stars (2 votes) No comments yet •Straight to Gay•Transformation•Werewolves•Pagan gods•Ancient Era •M/M

E 2

Eggmen chronicles by brazboy 2122, eighty years after the anti-AI law, sixty years after the GMHs (genetically modified humans) became officially allowed. The human species counts 21 billion people living in three planets, but only about one in three are from traditional genetic lineages—more and more GMH have been created to fill the gap between supply and demand following the fertility crisis and the ever-growing need of populational expansion for labor and consumption. These new humans are just like the rest of us—except when they aren’t 10 parts 29k words Added Dec 2021 Updated 29 Jan 2022 19k views 4.7 stars (3 votes) No comments yet •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

Enhanced muscle and futuristic porn by Marquis de Rent In a futuristic space convoy, a young doctor builds his career on groundbreaking male enhancements. 5 parts 25k words Added Sep 2016 Updated 30 Sep 2016 42k views 4.4 stars (28 votes) No comments yet •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

F 1

The four jocks: Quarantine edition by BRK Stuck at his friend’s island beach house with two other guys from the swim team, Howie is enjoying his hunky friends’ company and trying to ignore their considerably better luck in the cock sweepstakes. Then they decide to wile away a stormy afternoon playing this strange game they found in the back of a cupboard… 4,318 words Added Nov 2020 9,277 views 4.6 stars (7 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cum•Multicock•Multiarm•Multilimb•Muscle/Strength•Complete•Set during the Pandemic •M/M

G 4

The Gallus Legion by Hymond Blake After a brutal war, Emperor Incretius has taken control of the Halatuan Empire, thanks to his army of giants and a unique and powerful ability to transform people. Tylus is a servant to the Emperor and is a potential threat to Incretius’s new rule. He must navigate the political trappings of a wartorn empire whilst surviving the unforgiving world inside the Emperor’s palace. 4 parts 13k words Added Dec 2024 Updated 8 Mar 2025 10k views 4.8 stars (6 votes) No comments yet •Cock Growth•Ball Growth•Hyper Cock•Cum inflation•Public Orgasm•Muscle Breast•Muscle Growth•Muscle/Strength•Increased Libido•Getting Handsomer•Transformation•Voice Deepening•Getting Taller•Giants•Forced Growth•Size Increase•Age Regression•Nonconsensual change•Ancient Era •M•M/M•M/M/M

The garden of holes by brazboy Arriving at the capital, a young and talented recently recruited civil servant enters the world of high politics, love, and ambitions. Using his magnificent body as well as his mind, he ends up having an experience different from what anyone could have expected, even becoming involved in a plot to steal the throne… 5 parts 18k words Added Apr 2024 Updated 27 Apr 2024 10k views 5.0 stars (3 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Public Orgasm•Hyper Muscle•Immobility•Muscle Growth•Public Nudity•Gradual Change•Plausible Size Difference•Size Increase•Incest•Brothers•Medieval(ish) •M/M•M/M/M

Good fortunes by brazboy Felix wants love, but he can’t even start imagining how to get it. He goes to the fortune teller for help, and gets told that maybe love will be the one to find him first. 2 parts 9,587 words Added Jun 2023 4,828 views 5.0 stars (1 vote) No comments yet •Multiarm•Multilimb•Naga•Shapeshifting•Early/Mid 20th Century •M/M

Growth drive by Musclesaber Jared is on his way to work when he stops by a shop that gives him everything he could’ve dreamed for how to grow bigger. Is it too good to be true? We will have to wait and see how giving people are towards a growing giant. 5 parts 12k words Added Mar 2024 Updated 30 Mar 2024 30k views 4.7 stars (52 votes) No comments yet •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Pec Fucking•Hyper Strength•Immobility•Muscle Breast•Muscle Growth•Muscle/Strength•Muscle Worship•Butt Growth•Foot Growth•Transformation•Getting Taller•Giants•Plausible Size Difference•Size Increase•Social Media•Dom/Sub•Stories with Images•Medieval(ish) •M

H 3

Heavy quarantine by Portowulf Boyfriends Vincent and Coy ride out the quarantine together, for extended time. 2,778 words Added Apr 2020 18k views 4.6 stars (12 votes) No comments yet •Cock Growth•Hyper Cum•Muscle Growth•Belly Growth•Increased Libido•Getting Fatter•Inflation•Complete•Set during the Pandemic •M/M

Homeward by BRK Getting home by teleport is tough enough, but it's even more of a hassle when the teleporter is malfunctioning and doesn’t register that you’ve already been reconstructed on the other side. 1,912 words Added Dec 2002 14k views 5.0 stars (6 votes) No comments yet •Replication•Getting Taller•Selfcest•Merging•Space Travel•Set in the Future •M/M•M/M/M•M/M/M/...

Humbled by the himbo by MegaMaker Austin likes to sleep around and his preferred choice of men are the biggest, dumbest, strongest guys he can find. He’s been doing this his whole life adding notches to his belt. His goal is to sleep with a jock from every sport. To him, Riley is three birds with one stone: diver, swimmer, and polo player. What he doesn’t realize is just how different being with Riley will be for him. 9 parts 22k words Added Feb 2024 Updated 2 Mar 2024 19k views 4.6 stars (51 votes) No comments yet •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Pec Fucking•Hyper Strength•Immobility•Muscle/Strength•Muscle Worship•Lycra/Spandex•Complete•Set in the Future •M/M

I 3

Imperial game by Tym Greene Thanatos the bull, finest of all the gladiators of Commodus’s Rome, is singled out to face the manly emperor himself in the arena. But first the emperor must inspect his opponent and ensure he is worthy of such an honor. 4,408 words Added Feb 2022 4,930 views 4.0 stars (1 vote) No comments yet •Muscle/Strength•Anthro/Furry•Ancient Era •M/M

In The Mood by Also Known As Woody decides to try the new fad of rendered fantasy companions, wondering if there’s any way they can live up to the hype, much less his own particular fantasies.  2 parts 16k words Added Mar 2023 Updated 17 Jun 2023 15k views 5.0 stars (12 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Replication•Muscle Growth•Muscle Worship•Getting Taller•Plausible Size Difference•Size Increase•A.I.-Controlled Change•Incest•Brothers•Twins•Selfcest•Dildos/Toys•Set in the Future •M/M/M

It’s a piece of cake! (revised) by Woynich James Miller finds a magic cookbook and bakes up a harem of anthropomorphic cakes that have different powers when he eats pieces of them. There’s a crumb cake with “EAT ME” written into his chest with currants, a blueberry shortcake, a stack of pancakes, and sure to be many other varieties soon. 3 parts 9,461 words Added Aug 2020 12k views 4.3 stars (6 votes) No comments yet •Cockless•Immobility•Belly Growth•Voice Deepening•Getting Taller•Size Increase•Inflation•Gross Bodily Fluids•Set during the Pandemic

J 3

Johnathan of Pectoria by John K This is a story about a peasant man who meets a muscular knight whom he's always had eyes for! 1,766 words Added Jul 2024 4,647 views 4.0 stars (3 votes) No comments yet •Hyper Muscle•Muscle/Strength•Muscle Worship•Fantasy Realm•Medieval(ish) •M/M

Jötnar by Maximalist In a future full of genetics-shaping possibilities, disgraced scientist Alexander Dickinson is offered a singular opportunity for redemption: a chance to salvage the very deep-space project he’d deliberately sabotaged by filling it full of gay hyper-muscle growth porn. 6 parts 27k words Added May 2024 Updated 8 Jun 2024 22k views 4.9 stars (56 votes) No comments yet •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Public Orgasm•Hyper Muscle•Muscle Growth•Muscle Worship•Increased Libido•A.I.-Controlled Change•Space Travel•Complete•Stories with Images•Set in the Future •M/M

Joy ride by BRK Tag and Lys are only pretending to gad about the universe in their grandparents’ borrowed sportscruiser, Lys rather less willingly than Tag. Then the universe takes a hand and makes it all a little more real. 2 parts 7,638 words Added Jun 2025 Updated 12 Jul 2025 4,487 views 4.9 stars (7 votes) No comments yet •Cock Growth•Ball Growth•Huge Cock•Hyper Cock•Other Mental Changes•Straight to Gay•Getting Handsomer•Getting Taller•Incest•Brothers•Nonconsensual change•Space Travel•Set in the Future •M/M

K 2

The king’s new clothes by brazboy A tailor offers to make the king the most perfect clothes out of a fabric invisible to those who are dim of mind. The king accepts, and when he sees the outfit made for him, he decides to parade it to court and wear it to a festival in the city. 2,684 words Added Jul 2023 5,882 views 3.8 stars (5 votes) No comments yet •Huge Balls•Huge Cock•Public Orgasm•Public Nudity•Incest•Brothers•Medieval(ish) •M/M

Knight crew by BRK A cocky knight visits a tavern serving rather questionable ale, though the brew grows on him (and vice versa). 3,115 words Added Apr 2024 12k views 4.1 stars (7 votes) No comments yet •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Muscle Growth•Muscle Worship•Increased Libido•Getting Handsomer•Getting Taller•Giants•Size Increase•Infectious•Witch/Warlock/Wizard•Medieval(ish) •M/M•M/M/M/...

L 4

Libations by Tym Greene A day in the life of a grizzled old ram and his human protégé in ancient Rome. 5,159 words Added May 2022 4,966 views 3.5 stars (2 votes) No comments yet •Muscle/Strength•Anthro/Furry•Ancient Era •M/M

Lockdown gym by BRK When Ed clears out his garage, his neighbor’s hunky college-age sons suggest converting the space to a lockdown gym for guys like them who want to maintain and can’t work out anywhere else. Despite the risk of distraction, Ed agrees, though the effect on his daily life turns out to be even greater than he expected. 3,110 words Added Apr 2021 21k views 4.6 stars (22 votes) No comments yet •Always Hard•Cock Growth•Huge Cock•Replication•Straight to Gay•Muscle Growth•Muscle/Strength•Muscle Worship•Always Shirtless•Getting Handsomer•Gradual Change•Getting Taller•Age Difference•Incest•Brothers•Twins•Selfcest•Complete•Set during the Pandemic •M/M•M/M/M/...

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 8,304 views 5.0 stars (2 votes) No comments yet •Huge Balls•Huge Cock•Hyper Cum•Demons•Horror•Supernatural•Halloween•Set during the Pandemic •M/M

Lust & consequences by BRK Hayden manages to gain an ability that turns beliefs into truth, but the knack for making things turn out the way he wants them to is a lot more elusive. 2 parts 6,212 words Added Feb 2022 14k views 4.8 stars (17 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Wings•Hyper Strength•Getting Handsomer•Retcon•Suggestion•Age Difference•Incest•Father/Son•Flying•Complete•Medieval(ish) •M/M

M 9

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

Means of escape by BRK Even for a randy space marine, life as a sex slave is not your first choice. But it looks like a distinct possibility after days of incarceration on the wrong planet. So when an offer of help arrives, it’s not something you ignore—even if the offer is telepathic and the help involves certain side-effects. 3,970 words Added May 2017 12k views 4.8 stars (5 votes) No comments yet •Muscle/Strength•Stretchy•Aliens•Space Travel•Set in the Future

Meeting Priapus by OneLuckyGuy89 Zhao meets with the love god Aphrodite in Paris and, after a sexual encounter, dreams of the first time he met the love of his life, Priapus. 6,023 words Added Aug 2024 8,827 views 5.0 stars (1 vote) No comments yet •Cock Growth•Muscle Growth•Muscle/Strength•Muscle Worship•Man Scent•Butt Growth•Increased Libido•Foot Growth•Getting Handsomer•Transformation•Voice Deepening•Getting Taller•Hair Growth/Getting Hairy•Destruction/Violence•Hyper Pheromones•Supernatural•Immortality•Early/Mid 20th Century •M/M

MultiGeoff by BRK New recruit Geoff reports for duty on a gigantic space station and learns that his first task is to reshape himself—and not in a figurative sense. 2,556 words Added Aug 2023 11k views 5.0 stars (3 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Public Orgasm•Multi-balls•Multicock•Boytaur•Four Legs•Lots of Legs•Multileg•Multilimb•Multitongue•Public Nudity•Merging•Space Travel•Complete•Stories with Images•Set in the Future •M•M/M

Muscle bots by Meddler Incs Have a problem with your device? The Department of Cybernetic Deviations is here to help! 2 parts 1,955 words Added Jan 2018 12k views 4.5 stars (6 votes) No comments yet •Muscle/Strength•Androids/Cyborgs•Set in the Future •M/M

Muscle island by Anonymous Father Basil gets shipwrecked on a strange Pacific island. 2,736 words Added Jul 2006 21k views 3.8 stars (5 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•19th Century

Muscle milk tit freaks by TitMorpher In the future, as soon as muscle tit bodybuilding competitions, certain fans start gravitating toward the ones leaking muscle milk from their nips—triggering a broader interest in both the fetish and the growth-inducing pec juicea. 9 parts 27k words Added Sep 2011 Updated 13 Jun 2012 116k views 3.8 stars (8 votes) No comments yet •Nipple Emissions•Muscle Breast•Muscle Growth•Muscle/Strength•Muscle Worship•Stories with Images•Set in the Future •M/M

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

Mythlings, Inc. by Tym Greene Four years after the events of University Admythion, Jason Leander has graduated and is out to find a job, and Midland Monetary, Inc. is bound to provide him with more career satisfaction than he could have possibly imagined. 8,279 words Added Apr 2024 7,575 views 4.7 stars (3 votes) No comments yet •Public Orgasm•Multihead•Muscle Growth•Public Nudity•Belly Growth•Transformation•Size Increase•Retcon•Age Difference•Merging•Anthro/Furry•Centaurs•Minotaurs•Anthro/Scaly•Dragons•Supernatural•Early/Mid 20th Century •M/M•M/M/M

N 1

New normal by brazboy Pedro is a Brazilian university student who returned to live with his roommates after one and a half years living with his family during the pandemics, but everything is not the same. His roommates Carlos and Henrique will not tell him what exactly has changed, wanting him to see it with his own two eyes. 5,662 words Added Jun 2021 19k views 4.7 stars (17 votes) No comments yet •Cock Growth•Cockfucking•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Muscle Breast•Muscle Growth•Getting Taller•Plausible Size Difference•Size Increase•Infectious•Set during the Pandemic •M/M•M/M/M

O 2

Of gods and growth by RoidTeen The gladiators of eternal Rome wore little to hide their manly forms—so when there is growth, it is not hidden from pitmates and admirers alike. 3 parts 12k words Added Mar 2023 Updated 1 Apr 2023 18k views 4.8 stars (16 votes) No comments yet •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Hyper Muscle•Pec Fucking•Immobility•Muscle Breast•Muscle Gut•Increased Libido•Voice Deepening•Hair Growth/Getting Hairy•Pagan gods•Complete•Ancient Era •M/M•M/M/M

The other side by BRK Avery, a randy cargohauler, is piloting his navship through the dimensions between the point A and point B when an unexpected breach sends him into a surreal expanse… where a well-built, winged figure takes a less-than-angelic interest in him. 6,407 words Added Mar 2021 11k views 4.9 stars (7 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Wings•Muscle/Strength•Plausible Size Difference•Space Travel•Centaurs•Mermen•Complete•Set in the Future •M/M

P 3

The Paragon Porn quarantine by Absman420 After being offered an exclusive contract to film in the Paragon Porn post-pandemic “bubble,” Domenic uses the 2-week quarantine to work through the online training manual. 12k words Added Dec 2020 10k views 5.0 stars (7 votes) No comments yet •Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•A.I.-Controlled Change•Set during the Pandemic •M/M

Pre-trip conditioning by WordShop As humans expand into space in the 22nd century, Gerry takes a job on a mining colony, little anticipating how much the experiience will change him. 4,059 words Added May 2003 15k views 4.8 stars (5 votes) No comments yet •Muscle/Strength•Hair Growth/Getting Hairy•Space Travel•Set in the Future •M

The priapic intervention by Mark Bargen Story of a future genitalia expansion procedure written in the form of a scientific review. 5 parts 2,096 words Added Oct 2004 20k views 3.9 stars (7 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Increased Libido•Transformation•Hypnosis•Set in the Future

Q 2

Quarantine weight by Aphon Quarantine has a way of making the days blur together. After a while, it’s easy to forget what your body used to look like before your favorite Meal Replacement XL shakes. 2 parts 1,793 words Added Feb 2021 18k views 4.3 stars (11 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Belly Growth•Gradual Change•Hair Growth/Getting Hairy•Set during the Pandemic •M

The quest for size by Musclesaber Daladon is on his way home from one of the worst days he’s ever had when he stumbles upon a cart vendor with potions, clothes, and other goods. Daladon is in for a surprise when he sees what some of these goods are capable of. 3 parts 19k words Added Sep 2023 Updated 27 Jan 2024 22k views 4.6 stars (14 votes) No comments yet •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Hyper Cum•Hyper Muscle•Immobility•Muscle Growth•Muscle/Strength•Muscle Worship•Pointy Ears•Butt Growth•Belly Growth•Getting Taller•Giants•Plausible Size Difference•Size Decrease•Size Increase•Getting Fatter•Inflation•Anthro/Furry•Dragons•Orcs•Fantasy Realm•Medieval(ish) •M/M/M/...

R 5

Rapeenzel by Ziel Ziel got to thinking about old fairy tales and thought, “You know what these stories need? More gay sex and macro-dongs!” So he threw in a touch of cutesy fluff and some soft CV elements. Lots of sappy romance and monstrous dongs ensued. 6,583 words Added Sep 2015 29k views 4.9 stars (12 votes) No comments yet •Cock Growth•Cock Vore•Huge Balls•Huge Cock•Hyper Cock•Prehensile Cock•Hyper Cum•Always Shirtless•Medieval(ish) •M/M

Recover and repair by jaysize14 Sex in the future is subject to technological advances, but bugs and upgrades will never go away. 1,574 words Added Aug 2015 14k views 5.0 stars (2 votes) No comments yet •Huge Cock•Androids/Cyborgs•Set in the Future •M/M

The Red Prince by brazboy Out of a weird arrangement a cursed prince is born, one who has an uncontrollable appetite for human flesh. As his unabated hunger leads him to consume more and more men, he transforms, gaining the body of a gigantic marvelously muscular giant. Who can stop him, and what will be the consequences of trying? 2 parts 8,773 words Added Aug 2023 17k views 4.3 stars (11 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Nipple Emissions•Extra Mouths•Multi-abs•Multi-balls•Multicock•Boytaur•Multiarm•Multileg•Multilimb•Multipec•Multitongue•Stacking•Hyper Muscle•Immobility•Muscle Growth•Gradual Change•Male Pregnancy•Transformation•Size Increase•Hyper Tongue•Tongue Growth•Incest•Brothers•Hetero Sex•Destruction/Violence•Blood•Nonconsensual change•Nonconsensual sex•Vore•Complete•Medieval(ish) •M/M•M/M/M/...•M/M/F

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

Robopocalypse by Johan Johnson Set in a future where people can purchase a wide range of useful robots commercially, this story is an account of a young man’s first sexual encounter with his, and as an escape into the wild possibilities our future may bring. 1,373 words Added Sep 2012 13k views 3.5 stars (2 votes) No comments yet •Androids/Cyborgs•Set in the Future •M/M

S 15

Shadow and flame by BRK As a jinn, I am used to being in control, master not only of all the elemental powers of the earth but of my own fate as well. And I was—until the night I was tricked and ensnared by an ambitious young nobleman too beautiful for even me to resist. 7 parts 24k words Added Apr 2018 Updated 22 Feb 2020 19k views 4.7 stars (22 votes) No comments yet •Cock Growth•Huge Cock•Djin/Jinn/Genie•Pagan gods•Supernatural•Ancient Era•Early/Mid 20th Century •M/M

The shape of things to come by Mykkhal The growing intimacy between Tom and Harry is disrupted by the revelation that Harry isn’t who—or what—he appears to be. 13 parts 32k words Added Mar 2003 22k views 4.7 stars (10 votes) No comments yet •Transformation•Aliens•Goo People•Space Travel•Shapeshifting•Set in the Future •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 8,276 views 4.7 stars (7 votes) No comments yet •Transformation•Hair Growth/Getting Hairy•Retcon•Time Travel•Witch/Warlock/Wizard•Metabods 25•Invisibility•Complete•19th Century •M/M

SNU-5|VU by DracumSum Nathan and Nick have to complete a biochem project on the metahumans caused by the failed SNU-5 nanobot project—only they don’t know any, and the brief random encounter Nathan had at a bus stop the other day won’t help them. Or will it? 6,053 words Added Feb 2022 17k views 4.7 stars (7 votes) No comments yet •Cock Growth•Cut to Uncut•Huge Balls•Huge Cock•Hyper Muscle•Muscle Growth•Hyper Anus•Increased Libido•Foot Growth•Gradual Change•Transformation•Getting Taller•Giants•Plausible Size Difference•Size Increase•Hairless•Nanotech•Infectious•Set in the Future •M/M

Social dickstancing by Ziel Dallas hunkers down for some self-quarantine with the goal of using his newfound free time to really bulk up, though he never would have imagined just how much he could grow! His new size brings new issues for him and his neighbor. 4,594 words Added May 2020 15k views 4.9 stars (11 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Muscle Growth•Getting Taller•Size Increase•Set during the Pandemic •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 18k views 4.8 stars (25 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Gradual Change•Getting Taller•Size Increase•Retcon•Suggestion•Christmas•Hanukkah•Set during the Pandemic •M/M

The solitary flesh by Mikeytron A pair of space mercenaries are dispatched to a strange alien world to guard the manufacture of a massive quantity of the medical and cosmetic wonderdrug SynthStem, which allows humans to reshape their bodies. In part one, the stage is set and the stakes are raised. 4 parts 24k words Added Sep 2022 Updated 8 Oct 2022 21k views 5.0 stars (79 votes) No comments yet •Huge Cock•Other Mental Changes•Hyper Muscle•Immobility•Muscle Growth•Muscle/Strength•Gradual Change•Merging•Aliens•Space Travel•Complete•Set in the Future •M/M

The son of the father by brazboy Everyone in Brazil knows what happens to the lover of a Catholic father—they become the headless mule, a cursed being whose body resembles that of a mule, and who has fire instead of a head. But what happens to the child of such a sinful union? 3 parts 7,281 words Added Feb 2023 4,948 views 4.7 stars (3 votes) No comments yet •Huge Cock•Multicock•Multiarm•Centaurs•Shapeshifting •M/M

Spa day 2125 by BRK Stressed out over his work and lack of purpose, Ryan hopes treating himself to a spa day will help him relax. 5,332 words Added Jan 2025 6,142 views 4.9 stars (12 votes) No comments yet •Always Hard•Cock Growth•Huge Cock•Getting Dumber•Muscle Growth•Increased Libido•Detachable•Transformation•Human to Inanimate•Tongue Growth•Complete•Set in the Future •M/M

Space clones by Josh Dugan A brilliant cousin, like his spaceship, is full of himself, but there's room for one more. 2,338 words Added Nov 1998 13k views 4.2 stars (9 votes) No comments yet •Four Legs•Multiarm•Multilimb•Replication•Selfcest•Space Travel•Set in the Future •M/M

Spartan muscle by Anonymous It was traditional for a Spartan commander to bond with his men in a very specific way. 1,290 words Added Mar 2004 23k views 3.5 stars (4 votes) No comments yet •Huge Cock•Multicock•Muscle/Strength•Ancient Era

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 32k views 5.0 stars (23 votes) No comments yet •Cock Growth•Huge Cock•Muscle Growth•Butt Growth•Belly Growth•Getting Taller•Fourth of July•Set during the Pandemic •M/M

A strange encounter by Dream Big On his first cautious trip to a pre-Stonewall gay bar, Barry meets an old man who tells him about a remarkable encounter from his own youth. 2 parts 4,756 words Added Jul 2021 Updated 24 Jul 2021 11k views 5.0 stars (5 votes) No comments yet •Cock Growth•Muscle Growth•Muscle/Strength•Size Decrease•Size Increase•Race/Ethnicity Change•19th Century•Early/Mid 20th Century •M/M

Stuff in the cellar by Charles Westfall Richard is already good-looking and abnormally hung when he discovers some alien equipment in the cellar of his new house—including a vat of goo that transforms him into someone even hotter and more hung. And there’s no way Richard’s keeping his new gifts to himself. 4 parts 15k words Added Jul 2002 30k views 5.0 stars (10 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Pointy Ears•Size Increase •t/t•t/t/t

Sybaritic subterfuge by Tym Greene Two strangers meet on the train, and our protagonist—Thomas Alsdorf, a thirty-something ram—ends up seducing a man twenty years his senior: prominent businessrhino Charles Cottington. What fate will be met on the rails for these two illicit lovers? 9,447 words Added Aug 2022 4,093 views No comments yet •Anthro/Furry•Urban Fantasy•19th Century •M/M

T 4

The technician by BRK A special prize for a milestone customer on a literal-minded magic elevator yields some interesting results. 1,805 words Added Jun 2012 20k views 4.8 stars (10 votes) No comments yet •Cock Growth•Replication•Muscle Growth•Getting Taller•Size Increase•Nanotech•Selfcest•Complete•Set in the Future •M/M•M/M/M/...

The thief and the amulet by BRK A small, slightly-built thief with a bigger, hunkier lover who likes to tease him about his stature gets a chance at a bit of payback thanks to a magical amulet. 4 parts 16k words Added Mar 2024 Updated 8 Jun 2024 21k views 4.9 stars (26 votes) No comments yet •Cock Growth•Cock Shrinking•Cock Theft•Huge Balls•Huge Cock•Hyper Cock•Multicock•Muscle Growth•Muscle Theft•Getting Taller•Plausible Size Difference•Size Decrease•Size Increase•Hair Growth/Getting Hairy•Dom/Sub•Witch/Warlock/Wizard•Fantasy Realm •M/M

Three hearts as one by BRK When Saul’s village is threatened, he and his friends Jurgen and Hector must seek out the one man who might be able to help them. 11k words Added Jun 2025 1,151 views 5.0 stars (2 votes) No comments yet •Muscle/Strength•Transformation•Witch/Warlock/Wizard•Fantasy Realm•Medieval(ish)

To wish for cock by CockTFBoi A chance encounter while hiking starts a series of events that will change Calvin and the world around him forever. 5 parts 14k words Added Dec 2020 Updated 27 Feb 2021 26k views 4.8 stars (8 votes) No comments yet •Cock Growth•Cock Shrinking•Cock Theft•Cockless•Huge Cock•Straight to Gay•Transformation•Cock Cage•Dom/Sub•Witch/Warlock/Wizard•Set during the Pandemic •M/M

U 3

Unboxing Viktor by BRK In a not-so-distant future, Christian receives a gift that reminds him of the hot neighbor he has a crush on. 4 parts 13k words Added Feb 2024 Updated 17 Aug 2024 9,297 views 5.0 stars (18 votes) No comments yet •Huge Cock•Multicock•Multiarm•Multilimb•Multipec•Replication•Stacking•Detachable•Transformation•Getting Taller•Mouthcock•Nanotech•Androids/Cyborgs•Space Travel•Set in the Future •M/M•M/M/M

University admythion by Tym Greene It’s 1958, and a new university student is getting ready for his first day of classes…too bad he read that old spellbook his father gave him… 11k words Added Nov 2021 14k views 4.6 stars (5 votes) No comments yet •Public Orgasm•Multihead•Muscle Growth•Public Nudity•Belly Growth•Transformation•Size Decrease•Size Increase•Human to Animal/Anthro•Getting Fatter•Retcon•Merging•Anthro/Furry•Centaurs•Anthro/Scaly•Dragons•Ogres•Supernatural•Early/Mid 20th Century •M/M•M/M/M

Useless by Now Voyager I’ve always had a thing for hung bottoms. They’re a special kind of stupid, with their huge, useless dicks. I’ve got a hookup coming over a little later who fits that exact description, and I’m going to make him realize just how useless his big dick really is. 3,344 words Added Aug 2020 10k views 4.2 stars (9 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Nosecock•Set during the Pandemic

V 1

Vision space by BRK Sent to explore an unknown, derelict spaceship in search of usable technology, a young marine unexpectedly discovers three sexy inhabitants, guardians of a secret no one could have imagined. 6,302 words Added Jun 2021 15k views 5.0 stars (11 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Hyper Muscle•Muscle Growth•Muscle/Strength•Transformation•Getting Taller•Giants•Size Decrease•Size Increase•Age Difference•Aliens•Space Travel•Complete•Set in the Future •M/M

W 3

Welcome to Roosters by pkak2k12 In the future Hooters closed due to lack of interest. Now it has reopened as Roosters, and you get to be a VIP at one that is run by a giant femboy. 4,060 words Added Feb 2023 6,842 views 4.0 stars (4 votes) No comments yet •Huge Cock•Hyper Cock•Man Scent•Giants•Hairless•Complete•Set in the Future •M/M

What happens on Venus by Malice Slashlover Garrett has a lot of questions about the Venusians he’s living with as an exchange student, but the one he most wants an answer to is — why do Venusian guys have three cocks? 2 parts 4,591 words Added Jul 2014 13k views 4.8 stars (4 votes) No comments yet •Multicock•Detachable•Aliens•Space Travel•Set in the Future •M/M

Winter potluck by brazboy Six friends who haven’t seen each other since the onset of the pandemic finally gather for a big thematic potluck! Everyone brings something to share, but some items are fresher than others… 3 parts 8,299 words Added Jul 2021 Updated 17 Jul 2021 15k views 4.6 stars (5 votes) No comments yet •Cock Shrinking•Cockfucking•Huge Balls•Huge Cock•Hyper Cock•Nipcocks•Prehensile Cock•Nipple Emissions•Immobility•Muscle Breast•Muscle Growth•Muscle/Strength•Muscle Worship•Plausible Size Difference•Tailcock•Set during the Pandemic