Muscle Gut

Stories that involve muscle gut hypertrophy, including GH-gut or roid-gut (not obesity).

Related: Hyper Muscle; Hyper Strength; Immobility; Muscle Breast; Muscle Growth; Muscle Theft; Muscle/Strength.

Child of: Muscle.

Top Stories: “Chuck, the size thief”; “Public relations”; “Ben gets huge”; “Tank the bouncer”; “Bulking”; “Red pills”; “The beefening”; “Brotherly love”; “Summer research”; “Hulk”.

Recently Updated: “The bodyguards”; “The heart is a muscle”.

30 stories found. Total word count: 514,158.

• Away game by spacevlad  MuscUp Gut Musc PSD SizeUp  College freshman Adam is the smallest guy on the football team. On an away game road trip, he gets paired up to room with Wyatt, the biggest offensive lineman on the team. Adam tries to control himself as they are forced to share a bed, but Wyatt’s massive body is hard to resist. Added Dec 2017 2 parts 6,307 words 21,643 views 4.4 stars (17 votes)

• The beefening by Benjamin Skipper  CockUp Balls Cock MuscUp Gut Musc PSD SizeUp Hairier Dom Nonc  Spencer's roommates have been growing into huge hulking beasts, focused on working out, having sex… and now, turning Spence into one of them! Added Feb 2018 2,274 words 37,480 views 4.6 stars (30 votes)
• Ben gets huge by spacevlad  HyCum MuscUp Gut Musc Scent Giant PSD SizeUp  Matt, a kicker on a college football team, befriends Ben, a burly, bearish, muscular offensive lineman with a desire to get bigger. Matt is … able to help him with that. Added Jun 2016 8 parts 17,849 words 50,583 views 4.3 stars (42 votes)
• The Benefactor by Proteus  AlwHard CockUp Balls Cock Immob MuscUp Gut Musc Taller PSD SizeUp Nonc Supn  The Benefactor bestows favor on those he deems worthy, whether they like it or not. Added Jan 2020 Updated Apr 2021 14 parts 15,351 words 24,920 views 4.8 stars (17 votes)
• The bodyguards by Alakazam1988  CockUp Balls Cock NipC NipCum MuscUp Gut Musc BellyUp Grad PSD SizeUp Infl Inc Bro Twins  Two already huge and beautiful brothers apply for a job guarding a man who might be able to help them get even bigger. Added Apr 2021 Updated Aug 2021 9 parts 22,376 words 23,601 views 4.8 stars (35 votes)
• Brotherly love by Seth Peterson  CockUp Balls Cock HyCock MuscUp Gut Musc Taller SizeUp Inc Bro Merg  Two brothers get the best weekend they can imagine through the use of some very special, very wonderful powers. Rest assured, the results are BIG. Added Dec 2015 7,666 words 37,207 views 4.8 stars (16 votes)
• Bulking by Proteus  MuscUp Gut Musc AssUp Grad Hairier  Sometimes, when people have a crush on their hunky roommate, they act on it by secretly trying to make the guy progressively hotter. Added Mar 2013 6 parts 7,143 words 40,273 views 4.8 stars (14 votes)
• Bull’s gene by Opin  HyCum HyStr MuscUp Gut Musc Worship Taller PSD SizeUp  Dean goes on a date with Henry, a huge professor, whose strength exceeds every expectations… Added Aug 2020 Updated Apr 2021 5 parts 9,018 words 17,191 views 4.6 stars (15 votes)

• Chuck, the size thief by spacevlad  MuscUp Gut MuscDn Musc BellyUp Voice Giant PSD SizeDn SizeUp Fatter Infl Viol Nonc Absorb  Chuck, a middling-sized construction worker who wishes he were bigger, finds a way to grow huge. Added Jun 2017 Updated Dec 2017 16 parts 42,078 words 73,741 views 4.5 stars (23 votes)

• Daddy’s little boy by TonnyGiant  Cock Gut Musc PSD AgeDiff Inc Dad Dom  Jimmie returns home from college for the summer to rediscover just how drawn he is to his massive, muscle bear stepfather. Added Sep 2018 Updated May 2019 2 parts 4,961 words 20,765 views 4.8 stars (9 votes)

• The feeding by HouseForMonsters  MuscUp Gut Musc BellyUp Giant PSD SizeUp Viol  A sudden visit from a fellow fetish gainer you've met online leads to massive growth and the destruction of a city. Added Aug 2019 2,354 words 10,794 views
• Focus: A football story by kg21  CockUp Gut Musc Infl Dom  The team’s star quarterback is about to find out Coach’s big secret for keeping the team focused on football. Added Aug 2020 2 parts 10,849 words 3,881 views
• Frat boys, bro!! by Seth Peterson  Balls Cock Dumber MuscUp Gut Musc BellyUp SizeUp Hairier Fatter  What happens when a handsome boy and his buddy finds some frat boy pills? Sick bulky results, BRO!! Added Jan 2018 2,556 words 30,663 views 3.9 stars (36 votes)

• The game of champions by Seth Peterson  Cock MuscUp Gut Musc SizeUp Nonc Fur  A mysterious card game seizes the interest and the bodies of four very eager, very naughty college boys. Watch the fun unravel! Added May 2016 3,463 words 17,633 views 3.9 stars (17 votes)

• Hackers at the womb wall by dymondbolt  Cock MuscUp Gut Musc SizeUp  Dev thought laying down big bucks at Body Modifications for a bit of physical upgrade would be safe as houses, but things don’t always go to plan. Added Aug 2013 2 parts 6,370 words 16,477 views
• The heart is a muscle by Mikeytron  HyMusc HyStr MuscUp Gut Musc Grad PSD  A muscle growth bildungsroman: shy small nerd meets his college roommate, who’s friendly, confident, and fucking huge. Growth occurs, both emotional and physical, over the course of their first year together. Added Jun 2021 Updated Jul 2021 6 parts 38,553 words 16,706 views 4.9 stars (52 votes)
• Hulk by WBHunk  MuscUp Gut Musc Viol  An early encounter with a huge, muscular man presages transformations yet to come. Added Jul 2002 5 parts 8,751 words 32,528 views 4.3 stars (8 votes)

• Jake: hand-drawn giant by spacevlad  Cock Gut Musc SizeUp Infect  Drawing massive, muscle-hunk football stars seems like a safe enough hobby—but what if your drawing takes on a life of its own? Added Sep 2009 7 parts 11,792 words 27,482 views 4.7 stars (7 votes)

• Let’s make a bet by Seth Peterson  Fem MusBr MuscUp Gut Musc BellyUp Grad Taller PSD Dom  My boyfriend has always had some exceptional monster pecs! And over the years, they just got bigger and bigger… and so did he! My man cannot stop growing, and I love every inch of his expanding, heaving frame! Come check out the perfect swelling journey that is my big alpha boyfriend! Added May 2019 3 parts 10,394 words 13,094 views 4.2 stars (9 votes)

• Muscle daddy by bulgeCanon and  Cock HyCock Self MuscUp Gut Musc  Meeting the freakishly huge roommate, Mark, is crazy enough—and that’s before finding out that Mark’s dad is even bigger. Added Nov 2018 Updated Nov 2019 2 parts 5,769 words 19,507 views 3.8 stars (13 votes)

• No reason by Alakazam1988  Cock NipC NipCum MusBr MuscUp Gut Musc SizeUp Xmas  At the gym, Pascal notices that not only is are his pecs getting huge, but his nips are showing under his hoodie more than they should. Added Jan 2017 3,736 words 27,664 views 4.8 stars (15 votes)

• Orc night at the Eagle by spacevlad  MuscUp Gut Musc PSD SizeUp Orcs  Scott gets a gag gift from his roommate—orc tusks—and enjoys them more than he ever could have expected, as he turns into a massive, sex-crazed orc on a night at the bar. Added Mar 2019 3,710 words 8,217 views 4.1 stars (10 votes)

• Practical FX by MuscleMonkeh  CockUp MuscUp Gut Tf SizeUp 2Animal AgeDiff Nonc Fur Fant Mind  A special effects movie mogul, used to getting his own way, tries to muscle an especially gifted young producer into working for his production company. Added Jun 2018 5,070 words 9,668 views 4.9 stars (8 votes)
• Public relations by Maximilian  CockUp Cock HyCock HyCum MuscUp Gut Musc Taller Giant PSD SizeDn SizeUp Hairier Viol Bond Witch Pride  When Jamie gets an out-of-the-blue invitation to meet up with a friend he’d fallen out of touch with, he doesn’t realize Adam has an ulterior motive—or that it involves an unwilling introduction to growth and magic. Added Jun 2015 Updated Apr 2019 18 parts 124,954 words 55,831 views 4.7 stars (38 votes)

• Red pills by Alakazam1988  CockUp Cock HyCock Addict MuscUp Gut Musc Taller PSD SizeUp Hairier  A struggling college student and part-time stripper is introduced to Red Pills, which are supposed to be the one dick-growth pills that actually work. He’s skeptical—at first. (Chapters 1-7 revised as of summer 2019.) Added Jan 2017 Updated Mar 2021 19 parts 53,990 words 39,521 views 4.7 stars (15 votes)

• Seeing stars by OneLuckyGuy89  CockUp Balls Cock HyCock 2Straight MuscUp Gut Taller SizeUp Hairier Inc Twins Nonc Infect Merg Super  12 young, muscular and beautiful men have begun protecting Starlight City. Adam Berry has been having weird dreams lately and has a feeling that his life is about to change. Added Mar 2020 Updated May 2020 2 parts 8,520 words 6,252 views 4.0 stars (5 votes)
• Stories to tell in the dark by Thorn  CockUp Balls Cock MuscUp Gut AssUp BellyUp Voice Taller SizeUp Fatter Infl  Sean discovers a book that is filled with some surprising stories. Added Apr 2021 2 parts 9,685 words 7,994 views 4.8 stars (25 votes)
• Summer research by spacevlad  CockUp Balls Cock HyCock Dumber Mental 2Gay HyMusc HyStr MuscUp Gut Musc Scent BellyUp Taller Giant PSD SizeUp Hairier Viol Slave 4th of Jul  Dave, an ambitious researcher at a well-known university, hires an eager-to-grow football player to test an experimental growth supplement. The experimental growth supplement works much better than anticipated and Grunt gains over 50 pounds in just a week, though with some troubling side-effects. Added Oct 2017 Updated Dec 2017 12 parts 28,541 words 34,066 views 4.8 stars (24 votes)
• Superhero license by Neltharion5  CockUp Cock MuscUp Gut Musc SizeDn SizeUp Dom Nonc Super  Gunner, a powerful superhero, is brought down by a delinquent hero license renewal. He has to be a sidekick for three randy heroes in order to regain his superhero status. Added Nov 2017 5,101 words 9,128 views 4.8 stars (5 votes)

• Tank the bouncer by spacevlad  2Gay MuscUp Gut Musc Scent Giant PSD SizeUp Fatter Viol Nonc Rape  Bar owner Matt can only afford one bouncer for his bar, so he hires the biggest one he can find: Tank, an ex-college football player who is eager to grow even bigger. Matt has a way to make that happen, but after the first unexpectedly effective injection, the newly huge and strong Tank starts turning the tables on his boss. Added Jun 2016 Updated Aug 2016 18 parts 34,977 words 47,125 views 4.1 stars (29 votes)