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.

Related: Hetero Sex.

Child of: Not Only Male.

Top Stories: “Medicine show”; “My roommate (complete)”; “Empire”; “Basically a god”; “Second puberty”; “Matched pairs”; “An unexpected inflation”; “Adventures of a selfsucker”; “Raiders basketball”; “Tank”.

Recently Updated: “Meteor shower”; “The witch’s menagerie”; “The Ixlutani”; “Double”.

36 stories found. Total word count: 1,517,394.

• Adventures of a selfsucker by willy8  CockUp Cock Self Bi Het  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. Added Jul 2015 Updated Jul 2017 16 parts 42,450 words 34,287 views 4.2 stars (19 votes)
• Alpha Luke saves the party by Eric Aaldersen  Cock Musc Bi Supn Series  Luke’s homecoming party escapades include romps in a change room, a hot tub, a friend’s bedroom, and a sauna! Added Feb 2020 8,757 words 3,947 views 5.0 stars (10 votes)
• Are you sure by Dream Big  CockUp Balls Cock Self HyCum MuscUp Musc Handsomer Taller SizeUp Race Bi Het  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. Added Nov 2019 5 parts 6,234 words 9,840 views

• Bali encounter by LenZelig  Cock Musc Virgin Inc Twins Bi Het  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. Added Nov 2017 Updated Dec 2017 2 parts 29,433 words 9,852 views 5.0 stars (39 votes)
• Basically a god by CurlyJin  CockUp Balls HyCock HyCum Taller Giant SizeUp Bi Het Lycra Space Super Fly X-Ray  What do you do when the kid you bullied in high school becomes a god? Added Jul 2016 Updated Jun 2019 9 parts 31,027 words 64,656 views 4.3 stars (22 votes)

• The chameleon kid by smitch69  Rep Inc Twins Bi  It was simple and I had been doing it for years. It was always a rush when I took the shape of someone new. Added Jan 2006 8 parts 3,678 words 12,666 views 4.6 stars (5 votes)
• Customer service by Cris Kane  Cock Bi Swap  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 4,866 words 2,302 views

• Demon mage by JMatton  CockUp Cock MuscUp Bi Demons Incub Supn  After confronting an Incubus, Laizan’s life as a mage is about to change forever. Added Mar 2020 4,202 words 5,873 views 4.1 stars (8 votes)
• Dog and Pony Show: FAQ by Musiker  Cock Mental 2Gay MuscUp Musc Tf 2Animal Bi Dom Slave Fur Series  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 7,086 words 4,126 views
• Double by Natty Soltesz  Bi Andr  Trying out a friend’s new sex robot. Added Jul 2021 3,637 words 890 views
• The duplex by TheCandymanCan13  Cock 2Gay Bi Het  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 9,099 words 4,962 views 3.9 stars (8 votes)

• The elevator ride by BRK  CockUp Cock Self XDig XCock XArms XLimb MuscUp Musc Handsomer Taller TongueGr Retcon Sugg Bi Pride X-Ray Dialog  Another long, boring elevator ride… and you’ve resisted messing with your coworkers for so long. Added Feb 2020 Updated Jun 2021 2 parts 3,731 words 8,297 views 4.8 stars (20 votes)
• Empire by LenZelig  CockUp Cock Self 2Gay MuscUp Musc Taller SizeUp AgeDiff Beast Virgin Inc Bro Dad Twins Bi Het Nonc Slave Share Alien Space Witch Tksg Mind Series  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. Added Apr 2019 Updated May 2021 40 parts 365,561 words 116,264 views 4.8 stars (38 votes)
• Ever growing by Alakazam1988  CockUp Balls Cock HyCock Self Bi Het  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 4,842 words 28,232 views 4.1 stars (14 votes)

• FertiliGro by BeastCZ  AlwHard CockUp Cock Addict 2Gay MuscUp Musc Hairier Bi Het  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. Added Feb 2020 2 parts 1,729 words 8,240 views 4.4 stars (5 votes)

• The Ixlutani by Lloyd Irving  CockUp CockDn CTheft Cock 2Gay MuscDn Musc Libido Tf Taller PSD SizeDn SizeUp Bi Het Supn  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. Added Jun 2021 Updated Aug 2021 9 parts 54,489 words 10,795 views 4.9 stars (21 votes)

• Just a little bigger by Dream Big  CockUp Cock Self MuscUp Musc Libido BreastUp Grad Tf Taller Bi Het  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. Added Dec 2019 Updated Mar 2020 15 parts 31,368 words 21,258 views 4.6 stars (14 votes)

• Lake Cascade by TheCandymanCan13  Cock Musc Bi Het  On an extended visit to a remote cabin, a bunch of guys learn something new about themselves. Added Apr 2018 16,556 words 6,455 views 4.0 stars (6 votes)

• Matched pairs by Jerkoffcentral  CockUp Cock Self MuscUp Musc Virgin Inc Bro Bi  Peter becomes infected, not just with growth, but with a need for more strength and size. Added Oct 2013 Updated Jun 2016 14 parts 42,000 words 52,589 views 4.8 stars (29 votes)
• Medicine show by Fafhrd and Longbow9  CockUp Cock HyCock Self Virgin Bi Het Lycra Infect Series   Added Feb 2012 Updated Feb 2014 174 parts 250,271 words 185,111 views 4.5 stars (20 votes)
• Medicine show continues by Longbow9  CockUp Cock HyCock Bi Het Series  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. Added Mar 2016 8 parts 9,335 words 15,044 views
• Meteor shower by Tym Greene  Tf 2Animal Fatter Bi Het Fur M/F M/M M/M/F  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 10,195 words 943 views
• My roommate (complete) by LenZelig  CockUp Cock MuscUp Musc AgeDiff Virgin Inc Bro Dad Bi Het Dom Witch Pride Mind  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.”) Added Jul 2002 Updated Jun 2021 29 parts 222,742 words 121,221 views 4.9 stars (77 votes)

• The need to obey by Musiker  CockDn Balls Cock XArms XLimb MFSwap Mental 2Gay Musc BellyUp Taller Giant PSD SizeDn SizeUp Hairier Sugg Bi Het Cage Dom Slave Immort  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. Added May 2019 Updated Nov 2019 8 parts 44,462 words 19,941 views 4.8 stars (16 votes)
• A new world order by Kowalski  MuscUp Musc Bi Het  The archive was missing the bulk of this classic hetero muscle story, so I’ve restored the lost Parts for those who are interested. Added Mar 2004 Updated May 2016 28 parts 49,586 words 27,548 views 2.6 stars (7 votes)

• Raiders basketball by VanderAnder  CockUp Cock Self Bi Het  Trying out for the school basketball team involves more than being really good at basketball. Added Apr 2013 24 parts 27,394 words 28,018 views 4.8 stars (13 votes)
• The runner by LenZelig  Cock 2Gay Musc Sugg AgeDiff Inc Bro Dad Bi Het Dom Series  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 8,270 words 4,371 views

• Second puberty by JayPat  CockUp Cock HyStr MuscUp Musc Libido SizeUp Bi Viol HyPher Series  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. Added Sep 2012 15 parts 91,454 words 62,504 views 4.8 stars (29 votes)
• Shrine of the giant cock by Sean  CockUp HyCock Bi Het   Added Sep 2012 3 parts 4,587 words 24,516 views
• Something different by Richard Jasper  Cock Musc Bi Het  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. Added Oct 2020 4 parts 6,573 words 2,085 views
• Sucker by pornwright  CockUp CockDn Cock Mental MuscUp MuscDn Musc Tf SizeDn SizeUp Bi Nonc Rape  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. Added Feb 2009 7 parts 4,551 words 20,133 views

• Tank by Corwin  Cock MuscUp MuscDn Musc Bi  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. Added May 2014 8 parts 26,822 words 22,785 views 4.6 stars (5 votes)

• An unexpected inflation by UberPump  CockUp Pumping Cockfuck Balls Cock HyCock CumInf HyCum 2Gay Immob MuscUp Infl App Inc Bro Bi Nonc  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. Added Apr 2020 Updated Apr 2021 32 parts 67,870 words 52,301 views 4.9 stars (65 votes)

• What happened by Dream Big  CockUp Cock MuscUp Musc Libido Tf Bi  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. Added Nov 2019 2 parts 8,209 words 6,733 views 5.0 stars (7 votes)
• Wishing star by EcstaticS  CockUp Cock Retcon Bi Supn  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 7,594 words 5,428 views 4.9 stars (7 votes)
• The witch’s menagerie by NaughtyKitchenware  CockUp Balls Self HyCum PublicOrg Wings Nude Libido Tf SizeDn 2Animal Hairier AgeDiff Bi Het Witch Fly  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 6,734 words 1,566 views