Bisexual

For stories that involve a main character that is depicted having sex with both men and women. Expect explicit accounts of both male/male and male/female intercourse.

  Child of:  Not Only Male. Related tags:  Bisexual;Hetero Sex.

  Tag Group:  Not Just MM.

A 5

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. 16 parts Added Jul 2015 41k views 4.3 stars (22 votes) 42k words (#87) •Cock Growth•Huge Cock•Self-suck•Bisexual•Hetero Sex •M•M/M•M/F

Alpha encounters: Addison by Eric Aaldersen A varsity basketball hunk goes to the gym to burn off some of his sexual energy, but gets more than he bargained for. Added Apr 2022 6,997 views 4.8 stars (8 votes) 3,455 words •Huge Balls•Huge Cock•Straight to Gay•Muscle/Strength•Bisexual•Hyper Pheromones •M/M

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. Added Apr 2023 3,506 views 5.0 stars (2 votes) 2,549 words •Huge Balls•Huge Cock•Muscle/Strength•Muscle Worship•Bisexual •M/M•M/F

Alpha Luke saves the party by Eric Aaldersen Luke’s homecoming party escapades include romps in a change room, a hot tub, a friend’s bedroom, and a sauna! Added Feb 2020 7,136 views 5.0 stars (4 votes) 8,757 words •Huge Cock•Muscle/Strength•Bisexual•Supernatural

Are you sure by Dream Big Suddenly awash with money, Bill takes the plunge and follows the stories of secretly augmented men and women to a remote lab where they promise to fix everything he doesn’t like about his body. 5 parts Added Nov 2019 16k views 4.5 stars (6 votes) 6,234 words •Cock Growth•Huge Balls•Huge Cock•Self-suck•Hyper Cum•Muscle Growth•Muscle/Strength•Getting Handsomer•Getting Taller•Size Increase•Race/Ethnicity Change•Bisexual•Hetero Sex

B 2

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. 2 parts Added Nov 2017 15k views 5.0 stars (10 votes) 29k words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Taller•Size Increase•First Time/Virgin•Incest•Brothers•Twins•Bisexual•Hetero Sex•Dom/Sub •M/M•M/M/M•M/F•M/M/F

Basically a god by CurlyJin What do you do when the kid you bullied in high school becomes a god? 9 parts Added Jul 2016 81k views 4.2 stars (24 votes) 31k words •Cock Growth•Huge Balls•Hyper Cock•Hyper Cum•Getting Taller•Giants•Size Increase•Bisexual•Hetero Sex•Lycra/Spandex•Space Travel•Superhero/Supervillain•Flying•X-Ray Vision •M/M

C 2

The chameleon kid by smitch69 It was simple and I had been doing it for years. It was always a rush when I took the shape of someone new. 8 parts Added Jan 2006 15k views 4.7 stars (6 votes) 3,678 words •Replication•Incest•Twins•Selfcest•Bisexual

Customer service by Cris Kane A gay tech guy sent to fix a glitch in a new virtual-reality system comes face to face with his biggest celebrity crush. Added Jun 2020 4,409 views 2.5 stars (4 votes) 4,866 words •Huge Cock•Bisexual•Body Swap•Psychedelic Drugs

D 5

Demon mage by JMatton After confronting an Incubus, Laizan’s life as a mage is about to change forever. Added Mar 2020 9,694 views 4.4 stars (12 votes) 4,202 words •Cock Growth•Huge Cock•Muscle Growth•Bisexual•Demons•Incubus/Succubus•Supernatural •M/M

Derby & Max by Eric Aaldersen Back in the 1950s, Derby Gleason was just trying to get by. Then he meets a sexy, young guy on his paper route that suddenly makes him long for more. The first chapter in a longer historical romance. 4 parts Added Apr 2022 4,703 views 5.0 stars (3 votes) 11k words •Huge Cock•Muscle/Strength•Bisexual •M/M

Dog and Pony Show: FAQ by Musiker A hugely muscled human/dog hybrid gets to answer some FAQs about his awesome life in the adults-only Land of Eros Zoo, including daily activities, his sex life with his big, horsey lover, and just how lovingly their Master takes care of them. Added Apr 2019 7,126 views 5.0 stars (3 votes) 7,086 words •Huge Cock•Other Mental Changes•Straight to Gay•Muscle Growth•Muscle/Strength•Transformation•Human to Animal/Anthro•Bisexual•Dom/Sub•Sex-Slave•Anthro/Furry •M/M

Double by Natty Soltesz Trying out a friend’s new sex robot. Added Jul 2021 2,790 views 5.0 stars (2 votes) 3,637 words •Bisexual•Androids/Cyborgs

The duplex by TheCandymanCan13 Peter and his hot wife, Eleanor, are looking for a little excitement. They decide to try sharing sex with another couple, but don’t have much luck until a chance encounter introduces them to Henry and Rose, both of whom know exactly how to please a man and woman. Added Apr 2018 7,610 views 3.9 stars (8 votes) 9,099 words •Huge Cock•Straight to Gay•Bisexual•Hetero Sex

E 4

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? 3 parts Added Apr 2022 11k views 4.3 stars (8 votes) 22k words •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/M•M/M/M•M/F

The elevator ride by BRK Another long, boring elevator ride… and you’ve resisted messing with your coworkers for so long. 3 parts Added Feb 2020 16k views 4.5 stars (34 votes) 5,689 words •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 Added Apr 2019 133k views 3.7 stars (6 votes) 366k words (#1) •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

Ever growing by MaxMorphs An account of what it’s really like to have a dick that keeps growing and growing and growing, sometimes fast, sometimes slow, but always more than you expect. Added Sep 2016 38k views 4.1 stars (14 votes) 4,842 words •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Bisexual•Hetero Sex

F 2

FertiliGro by BeastCZ FertiliGro, a new fertility supplement, promises improved virility and sexual experience in men—though people don’t realize just how much the little capsules will change their life. 2 parts Added Feb 2020 14k views 4.3 stars (9 votes) 1,729 words •Always Hard•Cock Growth•Huge Cock•Addiction•Straight to Gay•Muscle Growth•Muscle/Strength•Getting Hairy•Bisexual•Hetero Sex

5D Super User: Brandon by pkak2k12 Brandon finds out he has an unexpected gift the second he becomes 18. 11 parts Added Jan 2023 27k views 4.9 stars (66 votes) 23k words •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Muscle Growth•Muscle/Strength•Muscle Worship•Gradual Change•Getting Taller•Size Increase•Retcon•Incest•Bisexual •t/t

I 1

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. 9 parts Added Jun 2021 20k views 4.9 stars (22 votes) 54k words (#58) •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/M•M/F

J 1

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. 15 parts Added Dec 2019 31k views 4.7 stars (18 votes) 31k words •Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•Increased Libido•Breast Expansion•Gradual Change•Transformation•Getting Taller•Bisexual•Hetero Sex •M/M•M/F•M/M/F

L 1

Lake Cascade by TheCandymanCan13 On an extended visit to a remote cabin, a bunch of guys learn something new about themselves. Added Apr 2018 8,289 views 4.0 stars (6 votes) 17k words •Huge Cock•Muscle/Strength•Bisexual•Hetero Sex

M 5

Matched pairs by Jerkoffcentral Peter becomes infected, not just with growth, but with a need for more strength and size. 14 parts Added Oct 2013 61k views 4.7 stars (31 votes) 42k words (#89) •Cock Growth•Huge Cock•Self-suck•Muscle Growth•Muscle/Strength•First Time/Virgin•Incest•Brothers•Bisexual•Hetero Sex •M/M•M/M/F

Medicine show by Fafhrd and Longbow9 Underendowed College student Terry comes in contact with a mysterious “extension cream” that turns out to be the real thing. Soon, he and his male and female friends are transforming themselves, and some are unable to stop. 174 parts Added Feb 2012 209k views 4.5 stars (25 votes) 250k words (#2) •Cock Growth•Ball Growth•Huge Cock•Hyper Cock•Self-suck•First Time/Virgin•Bisexual•Hetero Sex•Lycra/Spandex•Infectious •M•M/M•M/F•M/F/F•M/M/F

Medicine show continues by Longbow9 The Homer’s Odyssey of breast and cock expansion stories is continued by the story’s original creator, complete with even more breast and cock expansion. 8 parts Added Mar 2016 19k views 4.2 stars (5 votes) 9,335 words •Cock Growth•Huge Cock•Hyper Cock•Bisexual•Hetero Sex

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. Added Sep 2021 6,927 views 3.0 stars (2 votes) 10k words •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/M•M/F•M/M/F

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 Added Jul 2002 155k views 4.5 stars (25 votes) 223k words (#3) •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 1

The need to obey by Musiker An enormously large, muscular man has only one thing he wants out of life: to be a good boy for his master. He is searching for a new master to take him in when he finds someone who is willing to give him a try-out, and who is not turned off by his enormous balls and knee-length caged cock. 10 parts Added May 2019 35k views 4.8 stars (24 votes) 56k words (#54) •Cock Shrinking•Huge Balls•Huge Cock•Nipcocks•Nosecock•Multicock•Multiarm•Multilimb•Gender Swap•Other Mental Changes•Straight to Gay•Muscle/Strength•Crotchhead•Body Parts in Strange Places•Stretchy•Butt Growth•Belly Growth•Foot Growth•Getting Taller•Giants•Plausible Size Difference•Size Decrease•Size Increase•Getting Hairy•Hyper Tongue•Suggestion•Bisexual•Hetero Sex•Cock Cage•Dom/Sub•Sex-Slave•Rubber/Latex•Immortality •M/M•M/M/M

P 4

The permanent cuddle by Cail Smith An unfortunate victim of the Merge Wave tells his story.  Added Apr 2023 1,553 views 4.6 stars (10 votes) 1,306 words •Multicock•Bisexual•Nonconsensual change•Merging•Shared Body•Complete •M/M•M/F

The phallus god of destiny by UberPump Benjamin has been possessed by a Japanese demon called an Oni, one who possesses the power to create the desires of those whom it possesses.   He has the desire to get what he wants—a bigger cock, a bigger body, and much bigger pecs.  Once he's fulfilled the divine duty of cock fucking the statue, he's imbued with great power to turn anyone into hyper muscled, big, dicked followers... only he must fulfil his duties as a newly-grown deity or face the consequences that, if unused, power must be stored somewhere. Added Jul 2023 5,888 views 4.8 stars (8 votes) 5,280 words •Cock Growth•Cockfucking•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Cum Milking•Always Cumming•Hyper Cum•Nipple Emissions•Hyper Muscle•Muscle Breast•Muscle Growth•Muscle/Strength•Muscle Worship•Public Nudity•Voluptuous Men•Increased Libido•Getting Handsomer•Voice Deepening•Forced Growth•Size Increase•Inflation•Bisexual•Absorption•Hyper Pheromones•Djin/Jinn/Genie•Supernatural•Possession •M•M/M

Project Cerulean MX: Aaron’s story by CsabaXXX 18-year-old Aaron’s life changes drastically when he’s accidentally exposed to a very effective growth serum. 8 parts Added Nov 2022 7,427 views 4.9 stars (11 votes) 17k words •Huge Cock•Muscle Growth•Increased Libido•Bisexual•Hyper Pheromones •M/M•M/M/M/...•M/F/F

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? 2 parts Added Jan 2023 11k views 4.6 stars (17 votes) 7,269 words •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

R 2

Raiders basketball by VanderAnder Trying out for the school basketball team involves more than being really good at basketball. 24 parts Added Apr 2013 32k views 4.8 stars (19 votes) 27k words •Cock Growth•Huge Cock•Self-suck•Bisexual•Hetero Sex

The runner by LenZelig Jake is out for a morning run when he meets up with someone who is more than a man and looking for a different kind of exercise. Added Jun 2020 9,043 views 4.8 stars (4 votes) 8,270 words •Huge Cock•Straight to Gay•Muscle/Strength•Suggestion•Age Difference•Incest•Brothers•Father/Son•Bisexual•Hetero Sex•Dom/Sub

S 4

Second puberty by JayPat Finding out you’re a product of genetic engineering and about to go through your second puberty is shocking enough, but the unforeseen repercussions with school, family, and friends are what really change everything. 15 parts Added Sep 2012 78k views 4.8 stars (33 votes) 91k words (#26) •Cock Growth•Huge Cock•Hyper Strength•Muscle Growth•Muscle/Strength•Increased Libido•Size Increase•Bisexual•Destruction/Violence•Hyper Pheromones

Shrine of the giant cock by Sean 3 parts Added Sep 2012 27k views 3.8 stars (4 votes) 4,587 words •Cock Growth•Hyper Cock•Bisexual•Hetero Sex

Something different by Richard Jasper Twenty-nine-year-old Jeff is a 6 foot, 360-pound mountain of muscle but nonetheless gay as a goose. While visiting friends in Houston Jeff’s world is rocked by a couple of short blonds who seem to exert a curious power over the Big Man. 4 parts Added Oct 2020 4,700 views 5.0 stars (1 vote) 6,573 words •Huge Cock•Muscle/Strength•Bisexual•Hetero Sex

Sucker by pornwright Toulouse has a great body and a magnificent cock, but with each enthusiastic blowjob from Henry, the transfer of cum makes Lou less, and Henry more. 7 parts Added Feb 2009 29k views 5.0 stars (6 votes) 4,551 words •Cock Growth•Cock Shrinking•Huge Cock•Other Mental Changes•Muscle Growth•Muscle Theft•Muscle/Strength•Transformation•Size Decrease•Size Increase•Bisexual•Nonconsensual change•Nonconsensual sex

T 2

Tank by Corwin A star alpha male has to take back his gym from a bully, except the only way is to grow himself bigger than the already monstrous interloper. 8 parts Added May 2014 31k views 4.7 stars (6 votes) 27k words •Huge Cock•Muscle Growth•Muscle Theft•Muscle/Strength•Bisexual

Tripod by matt1008 A college student explains how he got his intriguing nickname. Added Aug 2022 5,985 views 4.9 stars (13 votes) 7,435 words •Cock Growth•Huge Cock•Hyper Cock•Self-suck•Bisexual •M/M•M/M/M•M/F

U 1

An unexpected inflation by UberPump A college athlete named Keith and his friends discover what it feels like to enlarge their cock and balls with the mysterious device Keith ordered off the dark web. When things go awry, however, their packages get huge. Keith and his friends go on a massive journey of cock growth, bloated balls, and near exploding junk as they inflate their man parts to their absolute limit. 41 parts Added Apr 2020 118k views 4.9 stars (60 votes) 99k words (#24) •Cock Growth•Cock Pumping•Cockfucking•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Cum inflation•Cum Milking•Hyper Cum•Public Orgasm•Addiction•Straight to Gay•Hyper Muscle•Pec Fucking•Immobility•Muscle Growth•Muscle/Strength•Public Nudity•Increased Libido•Breast Expansion•Getting Handsomer•Voice Deepening•Getting Taller•Forced Growth•Size Increase•Inflation•App•Nanotech•Incest•Brothers•Bisexual•Hetero Sex•Nonconsensual change•Bodily Fluids•Dildos/Toys•Infectious •M/M•M/M/M•M/M/F

W 4

Wedding swap by squatch Another wedding alone, until you employ a service that makes it interesting. 2 parts Added Nov 2021 8,294 views 5.0 stars (8 votes) 5,013 words •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/M•M/F

What happened by Dream Big When Daniel meets up after college graduation with his high school friends Chris and Jane for a beach vacation, it turns out Chris has some important news: first, he’s into both of them, and second, he’s got access to his family’s secret body transformation serum, and he’s willing to share. 2 parts Added Nov 2019 9,046 views 5.0 stars (7 votes) 8,209 words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Increased Libido•Transformation•Bisexual

Wishing star by EcstaticS Chris sees a guy with a really massive dick and wishes on a star for a dick that was even bigger. What he doesn't know is that sometimes the stars are listening. Added Jun 2020 9,077 views 4.9 stars (7 votes) 7,594 words •Cock Growth•Huge Cock•Retcon•Bisexual•Supernatural

The witch’s menagerie by NioSatyr Deep in the forest, as far away from civilization as possible, lives an old but youthful witch. A witch who needs some help from young mortals in gathering her special ingredients. The job description includes some… adaptations, but her latest recruit doesn’t seem to mind at all. Added Sep 2021 5,332 views 4.0 stars (3 votes) 6,734 words •Cock Growth•Huge Balls•Self-suck•Hyper Cum•Public Orgasm•Wings•Public Nudity•Increased Libido•Transformation•Size Decrease•Human to Animal/Anthro•Getting Hairy•Age Difference•Bisexual•Hetero Sex•Witch/Warlock/Wizard•Flying