Period Tag Group

• Adam’s milk by Adam Zander  [  ]  Adam’s dreams of growing massive pec-tits like the wrestlers he admires come true—in spades.  •Cock Growth •Hyper Cock •Nipple Cum •Muscle Breast •Size Increase •Set in the Future  Added May 2015 2 parts 2,600 words 45,926 views 3.4 stars (18 votes)
• 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.  •Huge Cock •Hyper Cock •Nipcocks •Hyper Cum •Nipple Cum •Multicock •Hyper Anus •Male Pregnancy •Incest •Father/Son •Set in the Future •M/M •M/M/M  Added Jun 2022 2 parts 5,749 words 2,623 views 5.0 stars (9 votes)
• Augmentations by Also Known As  [  ]  Pursuing a fantasy, a successful man hires an erotic partner who’s been augmented, but the kinds of pleasures his new lover can share with him are far beyond anything he’d imagined.  •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Muscle Worship •Man Scent •Getting Handsomer •Size Increase •Set in the Future •Series  Added Jan 2014 18 parts 98,808 words 37,556 views 4.1 stars (9 votes)

• 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.  •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Aliens •Space Travel •Set in the Future  Added Aug 2018 3,531 words 16,365 views 4.0 stars (7 votes)

• Cadence by BRK  [  ]  Lucius, an ex-ancient Roman whose peculiar curse involves the beauty of the men around him, suddenly finds that everything he thought he knew about his uncontrollable abilities has changed when he's discovered by a trooper one night sleeping in his car on a lonely stretch of Midwestern highway.  •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Getting Taller •Plausible Size Difference •Size Increase •Destruction/Violence •Witch/Warlock/Wizard •Immortality •Ancient Era •M/M  Added Nov 2016 Updated Mar 2019 6 parts 30,727 words 17,782 views 4.6 stars (14 votes)
• Centaur of attention by gifts of the night  [  ]  Marooned on an island, Jason is rescued by boytaur Sundgren.  •Huge Cock •Boytaur •Multileg •Multilimb •Early/Mid 20th Century  Added Mar 2005 3 parts 3,393 words 9,338 views
• Centurion of light by Ravine Mountain  [  ]  A great new story in which a centurion, Marcus, and five of his best men are transformed by the god Mars—and charged with a mission.  •Cock Growth •Huge Cock •Hyper Cock •Nipcocks •Hyper Cum •Nipple Cum •Multi-abs •Muscle Growth •Muscle/Strength •Voice Deepening •Size Increase •Incest •Twins •Demons •Ancient Era •M/M •M/M/M •M/M/M/...  Added May 2014 Updated Jan 2019 12 parts 38,226 words 52,227 views 4.9 stars (48 votes)
• The Christmas ghost of FitzHardinge Manor by BRK  [  ]  A sometimes dark tale of a young man consigned to the guardianship of witches, only to be turned by a sex-starved, secrecy-obsessed sorcerer-suitor into a being unheard and unseen, capable of sharing the pleasure of touch, but bound to a single day of the year; and how from these ashes he rises to find what he can become in this new life that has been forced upon him.  •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Transformation •Size Increase •Destruction/Violence •Mermen •Ghosts •Incubus/Succubus •Witch/Warlock/Wizard •Supernatural •Christmas •Immortality •Invisibility •19th Century •M/M •M/M/M  Added Dec 2017 Updated Dec 2018 3 parts 22,408 words 12,821 views 4.9 stars (15 votes)
• 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…  •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Other Mental Changes •Increased Libido •Transformation •A.I.-Controlled Change •Merging •Set during the Pandemic •M/M •M/M/M/...  Added Nov 2020 Updated Mar 2022 26 parts 23,289 words 21,259 views 4.9 stars (33 votes)
• Cybersex 2047 by Unknown  [  ]  Everything’s changed in the future, and that definitely includes what’s possible when it comes to sex.  •Huge Cock •Set in the Future  Added Jul 2013 2,199 words 11,392 views

• The damsel in growth by Rice Sawyer  [  ]  The dynamic between a cute femboy and his masculine lover changes after one of them orders a strange object off the internet.  •Cock Growth •Pointy Ears •Getting Taller •Plausible Size Difference •Size Decrease •Size Increase •Anthro/Furry •Set during the Pandemic •M/M  Added Jan 2022 2,324 words 3,337 views
• Dig’s island by BRK  [  ]  Shipwrecked on a remote island, four brothers grow up to be incredibly close—and that’s before they encounter a secret power on the island that transforms them each in different ways.  •Cock Growth •Huge Cock •Multiarm •Wings •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •Incest •Brothers •Flying •19th Century •M/M/M/...  Added Mar 2005 4 parts 3,757 words 23,702 views 4.3 stars (7 votes)

• Eggmen chronicles by brazboy  [  ]  2122, eighty years after the anti-AI law, sixty years after the GMHs (genetically modified humans) became officially allowed. The human species counts 21 billion people living in three planets, but only about one in three are from traditional genetic lineages—more and more GMH have been created to fill the gap between supply and demand following the fertility crisis and the ever-growing need of populational expansion for labor and consumption. These new humans are just like the rest of us—except when they aren’t  •Cock Growth •Huge Cock •Hyper Cock •Nipcocks •Hyper Cum •Pec Fucking •Muscle Growth •Muscle/Strength •Getting Taller •Plausible Size Difference •Size Increase •Set in the Future •M/M  Added Dec 2021 Updated Jan 2022 10 parts 28,533 words 9,110 views
• Enhanced muscle and futuristic porn by Marquis de Rent  [  ]  In a futuristic space convoy, a young doctor builds his career on groundbreaking male enhancements.  •Cock Growth •Huge Cock •Hyper Cock •Female to Male •Immobility •Muscle Growth •Muscle/Strength •Transformation •Plausible Size Difference •Size Increase •Nanotech •Space Travel •Set in the Future •M/M •M/M/M  Added Sep 2016 5 parts 25,251 words 28,948 views 4.5 stars (26 votes)

• 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…  •Cock Growth •Huge Cock •Hyper Cum •Multicock •Multiarm •Multilimb •Muscle/Strength •Set during the Pandemic •Series •M/M  Added Nov 2020 4,318 words 3,580 views

• Heavy quarantine by Portowulf  [  ]  Boyfriends Vincent and Coy ride out the quarantine together, for extended time.  •Cock Growth •Hyper Cum •Muscle Growth •Belly Growth •Increased Libido •Getting Fatter •Inflation •Set during the Pandemic  Added Apr 2020 2,778 words 8,437 views 4.7 stars (9 votes)
• 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.  •Replication •Getting Taller •Merging •Space Travel •Set in the Future  Added Dec 2002 1,909 words 7,892 views

• 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.  •Muscle/Strength •Anthro/Furry •Ancient Era •M/M  Added Feb 2022 4,408 words 906 views
• 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.  •Cockless •Immobility •Belly Growth •Voice Deepening •Getting Taller •Size Increase •Inflation •Bodily Fluids •Set during the Pandemic  Added Aug 2020 3 parts 9,461 words 5,131 views

• Libations by Tym Greene  [  ]  A day in the life of a grizzled old ram and his human protégé in ancient Rome.  •Muscle/Strength •Anthro/Furry •Ancient Era •M/M  Added May 2022 5,159 words 626 views
• 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.  •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 •Set during the Pandemic •M/M •M/M/M/...  Added Apr 2021 3,110 words 8,961 views 4.7 stars (15 votes)
• 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.  •Huge Balls •Huge Cock •Hyper Cum •Demons •Horror •Supernatural •Halloween •Set during the Pandemic •M/M  Added Oct 2021 5,685 words 2,369 views
• 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.  •Cock Growth •Huge Balls •Huge Cock •Wings •Hyper Strength •Getting Handsomer •Retcon •Suggestion •Age Difference •Incest •Father/Son •Flying •Medieval(ish) •M/M  Added Feb 2022 2 parts 6,212 words 5,140 views 4.9 stars (11 votes)

• 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.  •Muscle/Strength •Stretchy •Aliens •Space Travel •Set in the Future  Added May 2017 3,970 words 7,509 views
• Muscle bots by Meddler Incs  [  ]  Have a problem with your device? The Department of Cybernetic Deviations is here to help!  •Muscle/Strength •Androids •Set in the Future  Added Jan 2018 2 parts 1,955 words 7,002 views 4.8 stars (5 votes)
• Muscle island by Anonymous  [  ]  Father Basil gets shipwrecked on a strange Pacific island.  •Cock Growth •Huge Balls •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •19th Century  Added Jul 2006 2,736 words 15,034 views
• 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.  •Cock Growth •Muscle Growth •Muscle/Strength •Man Scent •Gradual Change •Set during the Pandemic •M/M  Added Aug 2020 Updated Oct 2020 24 parts 17,396 words 9,368 views 5.0 stars (10 votes)

• 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.  •Cock Growth •Cockfucking •Huge Cock •Hyper Cock •Hyper Cum •Nipple Cum •Muscle Breast •Muscle Growth •Getting Taller •Plausible Size Difference •Size Increase •Infectious •Set during the Pandemic  Added Jun 2021 5,662 words 8,402 views 4.7 stars (15 votes)

• 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.  •Cock Growth •Huge Cock •Hyper Cock •Wings •Muscle/Strength •Plausible Size Difference •Space Travel •Centaurs •Mermen •Set in the Future •M/M  Added Mar 2021 6,407 words 3,374 views 4.9 stars (7 votes)

• 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.  •Cock Growth •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •A.I.-Controlled Change •Set during the Pandemic  Added Dec 2020 12,086 words 3,707 views
• Pre-trip conditioning by WordShop  [  ]    •Muscle/Strength •Getting Hairy •Space Travel •Set in the Future  Added May 2003 4,059 words 10,299 views
• The priapic intervention by Mark Bargen  [  ]  Story of a future genitalia expansion procedure written in the form of a scientific review.  •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Hyper Cum •Increased Libido •Transformation •Hypnosis •Set in the Future  Added Oct 2004 5 parts 2,096 words 14,781 views

• 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.  •Cock Growth •Huge Cock •Hyper Cock •Muscle Growth •Belly Growth •Gradual Change •Getting Hairy •Set during the Pandemic  Added Feb 2021 2 parts 1,793 words 7,527 views 4.2 stars (9 votes)

• 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.  •Cock Growth •Cock Vore •Huge Balls •Huge Cock •Hyper Cock •Prehensile Cock •Hyper Cum •Always Shirtless •Medieval(ish) •M/M  Added Sep 2015 6,583 words 21,023 views 5.0 stars (5 votes)
• Recover and repair by jaysize14  [  ]  Sex in the future is subject to technological advances, but bugs and upgrades will never go away.  •Huge Cock •Androids •Set in the Future  Added Aug 2015 1,574 words 9,817 views
• The Reflex by Cris Kane  [  ]  James receives an unexpected gift from an old friend: the trendy new home gym called the Reflex System.  •Muscle Growth •Muscle/Strength •Gradual Change •A.I.-Controlled Change •Set during the Pandemic  Added Mar 2020 Updated Apr 2020 5 parts 24,756 words 8,682 views 4.8 stars (9 votes)
• 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.  •Androids •Set in the Future  Added Sep 2012 1,373 words 9,908 views

• 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.  •Cock Growth •Huge Cock •Djin/Jinn/Genie •Supernatural •Ancient Era •Early/Mid 20th Century  Added Apr 2018 Updated Feb 2020 7 parts 24,360 words 12,963 views 4.7 stars (18 votes)
• 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.  •Transformation •Aliens •Goo People •Space Travel •Shapeshifting •Set in the Future  Added Mar 2003 13 parts 31,913 words 16,665 views 4.7 stars (10 votes)
• 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.  •Transformation •Getting Hairy •Time Travel •Witch/Warlock/Wizard •Metabods 25 •Invisibility •19th Century •M/M  Added Jan 2022 2 parts 6,932 words 1,821 views
• 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?  •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  Added Feb 2022 6,053 words 4,474 views
• 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.  •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Muscle Growth •Getting Taller •Size Increase •Set during the Pandemic  Added May 2020 4,594 words 7,326 views 5.0 stars (6 votes)
• 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!  •Cock Growth •Huge Cock •Muscle Growth •Gradual Change •Getting Taller •Size Increase •Retcon •Suggestion •Christmas •Hanukkah •Set during the Pandemic  Added Dec 2020 Updated Jan 2021 3 parts 7,945 words 9,191 views 4.9 stars (22 votes)
• Space clones by Josh Dugan  [  ]  A brilliant cousin, like his spaceship, is full of himself, but there's room for one more.  •Four Legs •Multiarm •Multilimb •Replication •Space Travel •Set in the Future  Added Nov 1998 2,338 words 7,702 views 4.1 stars (8 votes)
• Spartan muscle by Anonymous  [  ]  It was traditional for a Spartan commander to bond with his men in a very specific way.  •Huge Cock •Multicock •Muscle/Strength •Ancient Era  Added Mar 2004 1,290 words 18,248 views
• 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.  •Cock Growth •Huge Cock •Muscle Growth •Ass Growth •Belly Growth •Getting Taller •Fourth of July •Set during the Pandemic  Added Feb 2021 Updated Aug 2021 8 parts 22,174 words 20,804 views 5.0 stars (22 votes)
• 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.  •Cock Growth •Muscle Growth •Muscle/Strength •Size Decrease •Size Increase •Race Transformation •19th Century •Early/Mid 20th Century  Added Jul 2021 2 parts 4,756 words 2,839 views

• 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.  •Cock Growth •Cock Shrinking •Cock Theft •Cockless •Huge Cock •Straight to Gay •Transformation •Cock Cage •Dom/Sub •Witch/Warlock/Wizard •Set during the Pandemic  Added Dec 2020 Updated Feb 2021 5 parts 13,965 words 14,628 views 4.7 stars (7 votes)

• 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…  •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  Added Nov 2021 11,365 words 3,819 views
• 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.  •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Nosecock •Set during the Pandemic  Added Aug 2020 3,344 words 5,188 views 4.0 stars (6 votes)

• 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.  •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 •Set in the Future  Added Jun 2021 6,302 words 6,023 views 5.0 stars (10 votes)

• 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?  •Multicock •Detachable •Aliens •Space Travel •Set in the Future  Added Jul 2014 2 parts 4,591 words 9,128 views
• 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…  •Cock Shrinking •Cockfucking •Huge Balls •Huge Cock •Hyper Cock •Nipcocks •Prehensile Cock •Nipple Cum •Immobility •Muscle Breast •Muscle Growth •Muscle/Strength •Muscle Worship •Plausible Size Difference •Tailcock •Set during the Pandemic  Added Jul 2021 3 parts 8,299 words 6,679 views