Belly Growth

Stories involving weight gain that includes the belly getting bigger. Often a combination of muscle and fat. Includes the so-called “roid gut”. Not about mpreg (male pregnancy).

Related: Ass Growth; Breast Expansion; Detachable; Foot Growth; Getting Handsomer; Gradual Change; Increased Libido; Male Pregnancy; Transformation; Voice Deepening.

Child of: Other Physical Changes.

Top Stories: “Chuck, the size thief”; “Vice (Sometimes drugs offer more than a high)”; “Summer research”; “Reality Pack”; “The need to obey”; “The six pack”; “Spice up your life”; “Mariposa honeymoon: A six-pack story”; “Abyssus Abbey”; “Don’t talk about me!”.

Recently Updated: “Year of the ox”; “Don’t talk about me!”; “Rigsaw”; “Spice up your life”.

38 stories found. Total word count: 672,715.

• Abyssus Abbey by Pen Darke  Self XCock 2Gay MuscUp Musc BellyUp Tf SizeUp Scaly Demons Incub Ogres Fant Horror Supn Series  Welcome to Abyssus Abbey… a place where monks study and summon demons in an attempt to prevent the Apocalypse. The demons are in the walls, listening to your words, your thoughts, your desires, and if you fall prey to any of the Twelve Temptations, you may find yourself changed in ways you may not have expected. The Abbey has always drawn and doomed those who seek power and knowledge, and if you’re lucky, you might find something else there: a change in your outlook, a surprising ability, a friend where no friend was expected, and even romance. But all pleasures come with a price, and sooner or later the devil will have his due. Come in. Join the damned. Added Feb 2020 Updated May 2020 17 parts 124,798 words 12,652 views 4.8 stars (38 votes)

• Bear’s den by Pfefferooney  CockUp Cockfuck Balls Cock HyCock NipCum MuscUp Musc BellyUp SizeUp Hairier Infect  David is a small university student and he wants nothing more than to be, and be with, an enormous man. On a fateful day, he stumbles upon someone who can make his dream come true. Added Mar 2019 Updated May 2019 3 parts 9,022 words 22,183 views 4.9 stars (9 votes)

• Changeday by Alakazam1988  CockUp Cock MuscUp Musc BellyUp Taller SizeUp Hairier Fatter  Now that all of the changes to your body take place all at once on the same day every year, Andrew and his two college buddies are doing everything they can to make their Changedays as dramatic as possible. Added May 2020 5,212 words 5,617 views 4.8 stars (6 votes)
• ChristMASS by Musclesaber  CockUp Balls Cock HyCock CumInf HyCum MuscUp BellyUp Taller Giant Infl Xmas  Four men are transported to the North Pole to compete for the title of “The New Santa Claus”. Little do they know what magic can really do to them as one by one, they are each eliminated. Added Dec 2020 4 parts 9,454 words 5,197 views
• Chuck, the size thief by spacevlad  MuscUp Gut MuscDn Musc BellyUp DeeperVoice 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 70,999 views 4.5 stars (23 votes)
• Colossal Clothing by QuasarSun  CockUp MuscUp BellyUp Taller PSD SizeUp Hairier Fatter  Spencer is just your average post-college graduate, down on his luck and working a dead-end job when he runs across a magical clothing store that gives him a new job, a new perspective, and a lot more. Added May 2020 Updated Jun 2020 2 parts 3,666 words 6,920 views 4.3 stars (13 votes)
• Cow-boy by JKL  CockUp NipCum MusBr MuscUp BellyUp Taller SizeUp 2Animal Hairier Infl  Where does milk come from if cows are not raised as livestock? You're about to become the source. Added Jan 2019 1,606 words 22,197 views 4.4 stars (12 votes)
• Curt’s Olympic bid by Portowulf  2Gay BellyUp Fatter Hum Nonc  Curt thought his dreams of competing in the Olympics were over before a mysterious coach promises to make him huge. Added Sep 2020 1,377 words 3,237 views

• Damien by bulkscribe  MuscUp BellyUp Taller Giant PSD SizeUp Fatter  My roommate Damien is focussed on getting as big as he possibly can… and I find myself more than willing to help him out with that. Added Aug 2020 Updated Dec 2020 5 parts 16,482 words 17,570 views 5.0 stars (18 votes)
• Don’t talk about me! by jewelbee  PublicOrg 2Gay BellyUp Fatter Retcon Sugg Inc Dad Nonc  What if one day, everything someone said about you became true? Everything someone says to your face, whether lie, sarcasm, joke, hyperbole… would change you. 18 year old campus douche Nick learns this the hard way, faced with a curse after he led on the wrong girl. How will he get rid of the curse, and more importantly… just how much will he change in the meantime? Added Aug 2020 Updated Jul 2021 3 parts 4,348 words 7,321 views 4.9 stars (35 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 10,249 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 29,837 views 3.9 stars (36 votes)

• Green gassy giant growth by JKL  CockUp MFSwap Mental MuscUp BellyUp Mpreg Tf DeeperVoice Giant SizeUp Infl  Heyden is out checking on his crops when a strange meteor shoots by, leaving change in its wake. Added Apr 2020 1,494 words 6,169 views 4.4 stars (5 votes)
• Gym class hero by Portowulf  CockUp Dumber MusBr MuscUp Musc BellyUp Fatter  Engineering student Dominic Wilde becomes the unexpected recipient of the “gym class hero” title during his college senior year. Added May 2020 2,219 words 4,931 views

• Heavy quarantine by Portowulf  CockUp HyCum MuscUp BellyUp Libido Fatter Infl Pandem  Boyfriends Vincent and Coy ride out the quarantine together, for extended time. Added Apr 2020 2,778 words 5,082 views 4.7 stars (9 votes)

• It’s a piece of cake! (revised) by Woynich  NoCock Immob BellyUp DeeperVoice Taller SizeUp Infl Fluids Pandem  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. Added Aug 2020 3 parts 9,461 words 3,358 views

• Jock bros by John Perrot  CockUp Balls Cock HyCock HyCum HyMusc MuscUp Musc BellyUp Grad Taller PSD SizeUp Hairier  Derek convinces his friend Matt to get ‘jocked up’. They never imagined the growth that would follow… Added Feb 2021 4,818 words 10,512 views 4.6 stars (13 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 12,666 views 4.2 stars (9 votes)
• A love letter by Seth Peterson  2Gay BellyUp Handsomer Grad Taller PSD Fatter  A slow, steady, and delicious story of love, growth, and lots of big doughy softness! Come see the progression of a boy and his one and only…from friends to lovers to something very big indeed! Added May 2020 20,430 words 3,206 views

• Mariposa honeymoon: A six-pack story by Cris Kane  CockUp CockDn Cock Dumber Mental MuscUp Musc BellyUp Race Hairier Series  Their flamboyant best-man Pierce gives strait-laced newlyweds Derek and Charles a mysterious six-pack to liven up their Cancun honeymoon. Added Dec 2018 Updated Feb 2019 19 parts 105,833 words 13,381 views 4.5 stars (10 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 19,279 views 4.8 stars (16 votes)

• Omniman by Omniman  Balls Cock HyCock HyCum HyMusc MuscUp BellyUp Giant SizeUp Infl Viol Immort  Wild discovers that a non-functioning prototype for a revolutionary machine works after all. He and his roommate decide to have some fun with it, but can they see the limits of their desires? Added Jun 2019 2,135 words 10,466 views 3.3 stars (10 votes)

• Picture perfect by Cris Kane  CockUp CockDn Cock MuscUp Musc BellyUp Tf  An eccentric painter’s portraits have an unusual impact on those who pose for them. Added Jun 2019 Updated Jul 2019 3 parts 12,966 words 10,811 views

• Quarantine weight by Aphon  CockUp Cock HyCock MuscUp BellyUp Grad Hairier Pandem  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. Added Feb 2021 2 parts 1,793 words 4,858 views 4.2 stars (9 votes)

• Reality Pack by Thorn  CockUp Cock MusBr MuscUp Musc AssUp BellyUp Grad Taller PSD Hairier App AgeDiff Virgin Inc Bro Dad  What happens when the program you’re working on for school has a downloadable mod? You investigate it of course! Added Nov 2020 Updated Feb 2021 15 parts 79,094 words 24,064 views 5.0 stars (24 votes)
• Reece’s morph by Seth Peterson  MuscUp Musc BellyUp PSD SizeUp Hairier Fatter Vore Absorb  The power of absorption is a nightmare for Reece...until it produces some very big results. Added Mar 2016 Updated Dec 2020 3 parts 13,638 words 28,791 views 4.4 stars (9 votes)
• Rigsaw by Thorn  BellyUp Fatter Infl  Men have been going missing without a trace. Only those who go missing knows what truly happens, and what types of traps they have to undergo for some misdeeds in their past. Added Jun 2021 3,898 words 1,857 views
• Royal power lust by ZeroZeroNull  Cock HyCum MuscUp Musc BellyUp PSD Dom Scaly  A cocky ruler attempts to find a way to get rid of his enemies, only for his plan to backfire “horribly”. Added Nov 2019 3,411 words 6,042 views

• The six pack by Cris Kane  CockUp CockDn MFSwap Fem Dumber 2Gay MuscUp BellyUp Tf Taller SizeDn SizeUp Race Hairier Series  Returning from a Mexican vacation, a gay couple bring back a mysterious drink for their friends to try, bringing on some changes for the group of friends that require a great deal of getting used to. Added Sep 2018 9 parts 38,564 words 17,642 views 4.9 stars (9 votes)
• A special catch by ZeroZeroNull  CockUp Self MuscUp BellyUp Taller SizeUp 2Animal Hairier Fatter  What was supposed to be a young man's peaceful evening spent playing video games turned to be a lot more different than what he could have ever expected... Added Dec 2019 5,181 words 6,462 views
• Spice up your life by Musclesaber  CockUp Cock MuscUp AssUp BellyUp Taller 4th of Jul Pandem  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. Added Feb 2021 Updated Jun 2021 7 parts 20,934 words 15,284 views 5.0 stars (20 votes)
• Stories to tell in the dark by Thorn  CockUp Balls Cock MuscUp Gut AssUp BellyUp DeeperVoice Taller SizeUp Fatter Infl  Sean discovers a book that is filled with some surprising stories. Added Apr 2021 2 parts 9,685 words 7,234 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 32,042 views 4.8 stars (24 votes)
• Supersized by Musclesaber  CockUp Balls Cock HyCock CumInf HyCum MuscUp BellyUp Taller Giant Super  After an experiment gone wrong, Max unexpectedly grows into a giant. After being saved by his superhero crush, Amplified, the pair tries to get the giant man’s growth under control. Added Nov 2020 2 parts 5,286 words 6,373 views 5.0 stars (7 votes)

• Thoros by Ziel and Solumsol  CockUp Cock HyCock HyCum MuscUp Musc BellyUp Tent Images  In the mystic ruins of a secret, forbidden library, Thoros uncovers an exciting find—a small jade box, sealed with a binding rune Thoros knows he can unlock. The rewards inside, however, are not what he expects, and the tendrils unleashed will not stop until Thoros has been given more pleasure than he can handle. Added Jan 2018 4,756 words 23,372 views 4.8 stars (13 votes)

• Vice (Sometimes drugs offer more than a high) by Tereshky  CockUp Balls HyCock Self CumInf CumMilking HyCum Addict Immob MuscUp Musc BellyUp SizeUp Virgin Nonc  Jack was a drug kingpin of sorts. Like any potent drug, people craved it, they came to him, offered him their life’s treasures and he gave them their fix. In a world where usually only the strongest survive and only the smartest staid on top, he was doing quite well for himself and living an easy life. There were no rival drug lords because what he had to offer nobody else could give. His drug came from within. Added Jun 2018 Updated Nov 2019 5 parts 11,930 words 33,378 views 4.6 stars (29 votes)

• Web cam abuse by Tereshky  CockUp Cock NipCum MusBr MuscUp Musc BellyUp Taller PSD SizeUp Infl  Two enterprising college jocks think they can pay their way through school by showing off their ripped bods as part of a web cam business. When a company comes along offering them a ton of money for an hour’s work, they learn that when an opportunity sounds too good to be true, you should always read the fine print. Stretch Studios isn’t kidding when they say they’re not responsible for any “alterations” to their employees. Added Sep 2020 4,260 words 6,898 views 4.6 stars (7 votes)

• Year of the ox by Marceau Little Wolf  CockUp Cock HyCock NipCum XCock Addict MusBr MuscUp Musc BellyUp Tf Giant SizeUp 2Animal Nonc  Two brothers’ ailing dairy farm experiences a sudden change after they try an unconventional feeding method. Added Jul 2021 1,801 words 3,050 views 4.0 stars (6 votes)