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: Age Progression; Age Regression; Ass Growth; Body Parts in Strange Places; Body Suit; Breast Expansion; Detachable; Foot Growth; Gender Swap; Getting Fatter; Getting Hairy; Getting Handsomer; Gradual Change; Hairless; Human to Animal/Anthro; Human to Body Part; Human to Inanimate; Inflation; Male Pregnancy; Race Transformation; Stretchy; Transformation.

Child of: Other Physical Changes.

Top Stories: “Vice (Sometimes drugs offer more than a high)”; “Reality Pack”; “The need to obey”; “The six pack”; “Mariposa honeymoon: A six-pack story”; “Jock bros”; “Stories to tell in the dark”.

Recently Updated: “Stories to tell in the dark”; “Spice up your life”.

32 stories found. Total word count: 462,139.

• Bear’s den by Pfefferooney  Balls BellyUp Cock CockUp HairUp HyCock Infect Musc MuscUp NipCum SizeUp  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 20,108 views 4.9 stars (9 votes)

• Changeday by Alakazam1988  BellyUp Cock CockUp FatUp HairUp Musc MuscUp SizeUp TallUp  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 4,670 views
• ChristMASS by Musclesaber  Balls BellyUp Cock CockUp CumInf Giant HyCock HyCum Infl MuscUp TallUp 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 4,465 views
• Colossal Clothing by QuasarSun  BellyUp CockUp FatUp HairUp MuscUp PSD SizeUp TallUp  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 6,216 views 4.3 stars (13 votes)
• Cow-boy by JKL  2Animal BellyUp CockUp HairUp Infl MusBr MuscUp NipCum SizeUp TallUp  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 20,958 views 4.5 stars (11 votes)
• Curt’s Olympic bid by Portowulf  2Gay BellyUp FatUp 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 2,680 views

• Damien by bulkscribe  BellyUp FatUp Giant MuscUp PSD SizeUp TallUp  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 15,809 views 5.0 stars (18 votes)

• The feeding by HouseForMonsters  BellyUp Giant Gut Musc MuscUp 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 9,516 views
• Frat boys, bro!! by Seth Peterson  Balls BellyUp Cock DumbUp FatUp Gut HairUp Musc MuscUp SizeUp  What happens when a handsome boy and his buddy finds some frat boy pills? Sick bulky results, BRO!! Added Jan 2018 2,556 words 28,540 views 3.8 stars (34 votes)

• Green gassy giant growth by JKL  BellyUp CockUp Giant MFSwap Mpreg MuscUp SizeUp Tf  Heyden is out checking on his crops when a strange meteor shoots by, leaving change in its wake. Added Apr 2020 1,494 words 5,497 views 4.4 stars (5 votes)
• Gym class hero by Portowulf  BellyUp CockUp DumbUp FatUp MusBr Musc MuscUp  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 4,331 views

• Heavy quarantine by Portowulf  BellyUp CockUp MuscUp  Boyfriends Vincent and Coy ride out the quarantine together, for extended time. Added Apr 2020 2,778 words 4,618 views 4.7 stars (9 votes)

• It’s a piece of cake! (revised) by Woynich  NoCock BellyUp Fluids Immob Infl SizeUp TallUp  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 2,869 views

• Jock bros by John Perrot  Balls BellyUp Cock CockUp Grad HairUp HyCock HyCum HyMusc Musc MuscUp PSD SizeUp TallUp  Derek convinces his friend Matt to get ‘jocked up’. They never imagined the growth that would follow… Added Feb 2021 4,818 words 8,251 views 4.7 stars (12 votes)

• Let’s make a bet by Seth Peterson  BellyUp Dom Fem Grad Gut MusBr Musc MuscUp PSD TallUp  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 11,938 views 4.2 stars (9 votes)
• A love letter by Seth Peterson  2Gay BellyUp FatUp GLUp Grad PSD TallUp  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 2,675 views

• Mariposa honeymoon: A six-pack story by Cris Kane  BellyUp Cock CockDn CockUp DumbUp HairUp Mental Musc MuscUp Race 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 12,642 views 4.5 stars (10 votes)

• The need to obey by Musiker  2Gay XArms XLimb Balls BellyUp Bi Cock CockDn Dom Giant HairUp Het Immort Mental MFSwap Musc PSD SizeDn SizeUp Slave Sugg TallUp  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 18,269 views 4.8 stars (16 votes)

• Omniman by Omniman  Balls BellyUp Cock Giant HyCock HyCum HyMusc Immort Infl MuscUp SizeUp Viol  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 9,742 views 3.3 stars (10 votes)

• Picture perfect by Cris Kane  BellyUp Cock CockDn CockUp Musc MuscUp 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 10,462 views

• Quarantine weight by Aphon  BellyUp Cock CockUp Grad HairUp HyCock MuscUp  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 4,022 views 4.2 stars (9 votes)

• Reality Pack by Thorn  AgeDiff AssUp BellyUp Bro Cock CockUp Dad Grad HairUp MusBr Musc MuscUp PSD TallUp Virgin  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 20,637 views 5.0 stars (23 votes)
• Reece’s morph by Seth Peterson  Absorb BellyUp FatUp HairUp Musc MuscUp PSD SizeUp Vore  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 27,422 views 4.9 stars (8 votes)
• Royal power lust by ZeroZeroNull  BellyUp Cock Dom HyCum Musc MuscUp PSD 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 5,398 views

• The six pack by Cris Kane  2Gay BellyUp CockDn CockUp DumbUp Fem HairUp MFSwap MuscUp Race SizeDn SizeUp TallUp Tf 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 16,692 views 4.9 stars (9 votes)
• A special catch by ZeroZeroNull  2Animal BellyUp CockUp MuscUp Self SizeUp  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 5,964 views
• Spice up your life by Musclesaber  4th of Jul AssUp BellyUp Cock CockUp MuscUp TallUp  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 Mar 2021 6 parts 15,854 words 11,313 views 5.0 stars (17 votes)
• Stories to tell in the dark by Thorn  AssUp Balls BellyUp Cock CockUp FatUp Gut Infl MuscUp SizeUp TallUp  Sean discovers a book that is filled with some surprising stories. Added Apr 2021 2 parts 9,653 words 5,532 views 4.8 stars (25 votes)
• Supersized by Musclesaber  Balls BellyUp Cock CockUp CumInf Giant HyCock HyCum MuscUp Super TallUp  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 5,574 views 5.0 stars (7 votes)

• Thoros by Ziel  BellyUp Cock CockUp HyCock HyCum Images Musc MuscUp Tent  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 22,466 views 4.8 stars (12 votes)

• Vice (Sometimes drugs offer more than a high) by Tereshky  Addict Balls BellyUp CockUp CumInf CumMilking HyCock HyCum Immob Musc MuscUp Nonc Self SizeUp Virgin  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 32,214 views 4.6 stars (29 votes)

• Web cam abuse by Tereshky  BellyUp Cock CockUp Infl MusBr Musc MuscUp NipCum PSD SizeUp TallUp  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 6,226 views 4.8 stars (6 votes)