M/F

Stories in which the erotic encounters and/or focus involves a man and a woman together (or wanting to be together).

Note on stories involving multiple sets of characters: Categories apply to the narrative at any given point. If a story involves Andy wanting to be with Bob, and Charlie wanting to be with Dave, it’s M/M, not M/M/M. If Andy and Bob hook up with Evan, then at that point it becomes M/M/M.

21 stories found. Total word count: 822,524.

Adventures of a selfsucker by willy8 [ ] Silas loves going down on his own big cock, and while the intense experience of autofellatio doesn’t help him with his girlfriend it does bring him closer to his handsome roommate Ben. •Cock Growth •Huge Cock •Self-suck •Bisexual •Hetero Sex •M •M/F •M/M Added Jul 2015 Updated Jul 2017 16 parts 42,450 words 39,534 views 4.3 stars (22 votes)
Alpha encounters: Logan by Eric Aaldersen [ ] An eighteen-year-old alpha, Logan, needs some release as he waits to meet up with his smoking hot boyfriend. Someone in his English class ends up lending a hand. Or... mouth. Part of a collection of Alpha Encounters. •Huge Balls •Huge Cock •Muscle/Strength •Muscle Worship •Bisexual •Series •M/F •M/M Added Apr 2023 2,549 words 2,510 views
The alpha touch by Caliburn [ ] Young engineer Max has a good deed rewarded with a mysterious rune now tattooed to his wrist. Bestowed with the power to change the body of the men he touches, Max’s life and his friends’ change quite a bit. •Cock Growth •Huge Balls •Huge Cock •Straight to Gay •Muscle Growth •Butt Growth •Increased Libido •Gradual Change •Voice Deepening •Getting Taller •Size Increase •Getting Hairy •Suggestion •Hetero Sex •Dom/Sub •Nonconsensual change •Series •M/F •M/M Added Jan 2022 Updated Dec 2022 12 parts 50,362 words 65,370 views 4.9 stars (178 votes)

Bali encounter by LenZelig [ ] On a trip to Bali, a happily married couple, Pete and Lori, encounter a pair of irresistibly beautiful muscle twins named Wayan and Kadek, and then their family and friends… and things become deliciously complicated. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Getting Taller •Size Increase •First Time/Virgin •Incest •Brothers •Twins •Bisexual •Hetero Sex •Dom/Sub •M/F •M/M •M/M/F •M/M/M Added Nov 2017 Updated Dec 2017 2 parts 29,433 words 14,214 views 5.0 stars (10 votes)
Build-A-Hunk by YellowJester [ ] Hunk Tech’s new Build-A-Hunk allows you to customize everything about a man. Gwen seizes upon this opportunity to get the husband she always wanted. •Cock Growth •Other Mental Changes •Muscle Growth •Getting Handsomer •Getting Taller •Hetero Sex •M/F Added Jul 2022 4,641 words 5,806 views 4.7 stars (7 votes)

Easy cum, easy go by Noam de Pluma and Kuro [ ] Norman Aster is working his regular shift at the restaurant when a mysterious stranger walks in and changes his life forever… except his life has always been that way, right? Right? •Always Hard •Cock Growth •Huge Balls •Huge Cock •Always Cumming •Hyper Cum •Public Orgasm •Gender Swap •Other Mental Changes •Straight to Gay •Muscle Growth •Always Shirtless •Increased Libido •Getting Taller •Size Increase •Retcon •Suggestion •Bisexual •Humiliation •Sex-Slave •Hyper Pheromones •M/F •M/M •M/M/M Added Apr 2022 3 parts 21,914 words 9,660 views 4.3 stars (8 votes)

Figurines: The next generation by squatch [ ] A new subject is gifted the incredible bracelets, only to find unexpected changes. •Cock Growth •Muscle Growth •Foot Growth •Getting Handsomer •Transformation •Getting Taller •Plausible Size Difference •Nonconsensual change •Body Swap •M/F Added May 2023 1,679 words 3,200 views

Growing retribution by John Smith [ ] A woman decides to make a dick and balls growth serum to grow a group of guys up to the biggest size she can take. •Cock Growth •Muscle Growth •Hetero Sex •M/F Added Jan 2023 2,151 words 2,863 views 1.0 stars (5 votes)

The Ixlutani by Lloyd Irving [ ] Kyle Anderson set out with his best friend Ben Miller for one last hurrah, revisiting the woods behind their childhood homes and the mysterious cave they discovered there, before Kyle’s impending nuptials with his longtime girlfriend, Olivia. What neither man knew was that after that day neither their bodies nor their relationship would ever be the same. •Cock Growth •Cut to Uncut •Cock Shrinking •Cock Theft •Huge Cock •Straight to Gay •Muscle Theft •Muscle/Strength •Increased Libido •Transformation •Getting Taller •Plausible Size Difference •Size Decrease •Size Increase •Bisexual •Hetero Sex •Supernatural •M/F •M/M Added Jun 2021 Updated Aug 2021 9 parts 54,489 words 18,485 views 4.9 stars (22 votes)

Just a little bigger by Dream Big [ ] Drew has two problems: he’s got a crush on his two best friends, Vic and Sarah, and he’s self-conscious about being short and skinny. He’s not prepared for the changes that develop in both departments on their fateful post-graduation trip to New York City. •Cock Growth •Huge Cock •Self-suck •Muscle Growth •Muscle/Strength •Increased Libido •Breast Expansion •Gradual Change •Transformation •Getting Taller •Bisexual •Hetero Sex •M/F •M/M •M/M/F Added Dec 2019 Updated Mar 2020 15 parts 31,368 words 29,732 views 4.7 stars (17 votes)

Medicine show by Fafhrd and Longbow9 [ ] •Cock Growth •Ball Growth •Huge Cock •Hyper Cock •Self-suck •First Time/Virgin •Bisexual •Hetero Sex •Lycra/Spandex •Infectious •Series •M •M/F •M/F/F •M/M •M/M/F Added Feb 2012 Updated Feb 2014 174 parts 250,271 words 205,043 views 4.5 stars (25 votes)
Meteor shower by Tym Greene [ ] A couple heads out to a costume party to celebrate a big meteor shower. Little do they know that the party’s host has other plans. •Female to Male •Male to Female •Gender Swap •Gay to Straight •Other Mental Changes •Butt Growth •Belly Growth •Breast Expansion •Gradual Change •Transformation •Getting Taller •Size Increase •Human to Animal/Anthro •Getting Fatter •Retcon •Bisexual •Hetero Sex •Nonconsensual change •Anthro/Furry •Mermen •M/F •M/M •M/M/F Added Sep 2021 10,195 words 5,864 views
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.”) •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/F •M/M •M/M/F •M/M/M •M/M/M/... •M/t •t/t Added Jul 2002 Updated Jun 2021 29 parts 222,742 words 148,951 views 4.5 stars (25 votes)

A new world order by Kowalski [ ] The archive was missing the bulk of this classic hetero muscle story, so I’ve restored the lost Parts for those who are interested. •Muscle Growth •Muscle/Strength •Muscle Worship •Size Increase •Hetero Sex •M/F Added Mar 2004 Updated May 2016 28 parts 49,586 words 31,549 views 3.0 stars (9 votes)
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. •Cock Growth •Ball Growth •Huge Balls •Huge Cock •Hyper Cock •Cum inflation •Hyper Cum •Hyper Muscle •Pec Fucking •Immobility •Muscle Growth •Muscle/Strength •Forced Growth •Halloween •M •M/F •M/M Added Oct 2020 Updated Oct 2022 6 parts 22,007 words 32,059 views 4.9 stars (13 votes)

OnlyFans blow up 2 by UberPump [ ] A football player and his girl star in a medical roleplay. However, the “nurse” has other plans for her patient as his cock starts to blow up bigger than either of them expected. His bloated cock expands with wild abandon as the roleplay goes awry and his cock becomes hyper erect! •Cock Growth •Huge Cock •Hyper Cock •Hetero Sex •Blood •Nonconsensual change •Series •M/F Added Oct 2022 4,015 words 4,172 views

The permanent cuddle by Cail Smith [ ] An unfortunate victim of the Merge Wave tells his story. •Multicock •Bisexual •Nonconsensual change •Merging •Shared Body •Complete •M/F •M/M Added Apr 2023 1,306 words 1,081 views 4.5 stars (8 votes)
The pump by UberPump [ ] A young man and his wife find themselves at the mercy of a cock pump. He's already quite big at 9 inches long, but how much bigger can he go and will they find a limit to his size? •Cock Growth •Cock Pumping •Huge Balls •Ball Growth •Huge Cock •Hyper Cock •Cum inflation •Cum Milking •Hyper Cum •Addiction •Increased Libido •Forced Growth •Inflation •Bisexual •Hetero Sex •M/F •M/F/F Added Jan 2023 Updated Apr 2023 2 parts 7,269 words 9,391 views 4.7 stars (16 votes)

Super serum by Jack is Jacked [ ] Jack’s dad develops a way to grow muscles and decides his son should try it out. •Cock Growth •Muscle Growth •Muscle/Strength •Muscle Worship •Public Nudity •Increased Libido •Getting Handsomer •Voice Deepening •Getting Taller •Size Increase •Getting Hairy •Father/Son •Hetero Sex •Complete •M/F •t/t Added Mar 2023 1,649 words 7,051 views 3.0 stars (6 votes)

Tripod by matt1008 [ ] A college student explains how he got his intriguing nickname. •Cock Growth •Huge Cock •Hyper Cock •Self-suck •Bisexual •M/F •M/M •M/M/M Added Aug 2022 7,435 words 5,479 views 4.9 stars (12 votes)

Wedding swap by squatch [ ] Another wedding alone, until you employ a service that makes it interesting. •Cock Growth •Huge Cock •Muscle Growth •Muscle/Strength •Increased Libido •Getting Handsomer •Getting Taller •Plausible Size Difference •Size Increase •Retcon •Bisexual •Hetero Sex •Body Swap •Shared Body •M/F •M/M Added Nov 2021 2 parts 5,013 words 7,518 views 5.0 stars (8 votes)

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