Breast Expansion Growth Massive Bigger Stories

194,179 results
Orientation
Length
Source
Infinite Scroll
SmutMD: The World's Biggest Erotic Literature Search Engine.
© 2025 SmutMD.com

Size Matters

by idahoboy on May 5, 2015
Science Fiction

Adam rushed into his room after school. His dick was already straining in his pants. It seemed like it was getting harder and harder to make it through a day of school without jerking off. The young man had taken to blowing a load in the toilet at lunch. Today, he couldn't find an empty stall before the bell rang. The boy dropped his pants wrapped his hand a...

Open in Reader

Mod your life

by Jlizardi on Jul 15, 2019
Fetish

One day John woke up and heard a strange voice in his head telling him that he can alter anyone he wanted with the snap of his fingers... he didn’t know where this came from but he wanted to try it.What's next? Mom and dad The police station Feel free to add whatever The neighbor little sister His Aunt Bratty Sister and Her Bratty Friend Himself His Sist...

Open in Reader

Star Wars Futa Force

by silent soul ken on Nov 7, 2018
Fan Fiction

The Jedi would beat out the Sith in numbers, due to a device called the Orgasm Bomb, Sith are reduced to a select few, Palpatine, Maul, and Ventress with Palpatine hiding her Sith background by using her powers to shrink her assets to the point she seems like a normal woman. Also she uses her own powers to prevent the Jedi from seeing into the future or seei...

Open in Reader

Samus and the Reality Altering Upgrades

by welldressedcrab on Nov 14, 2020
Science Fiction

Samus brought her ship into dock with the station, the docking bay walls closing behind her. In her adventures through the galaxy she had received a signal from a remote research station. The signal informed her that the station was inhabited by a scientist AI which was programmed to keep inventing and researching for eternity. If she came to investigate, sh...

Open in Reader

Growth-XX

by FlatCap90210 on May 20, 2019
Science Fiction

James felt as if he was going insane. It was summer, the sun was shining and he was at the beach ogling girls. Tits of all shapes and sizes surrounded him, wrapped in bikini tops, one pieces and other pieces of fabric of varying coverage. James' heartbeat pounded in his ears and throbbed in his crotch, digging a furrow in the sand beneath him. He was lying o...

Open in Reader

The Chosen One

by Zaulek on Jan 13, 2019
Miscellaneous

[Author's note: if you ever come up with a story or branch, you can add it. Because it's an option that wasn't quite popular, I decided to make the story public. No revisisons from me, everything can be added, as longs as it doesn't break the site's ToS] A person wakes up from sleep to the sight of a room, different than the one they began their night in. A...

Open in Reader

Amy's Adventures in Reading

by CumBalloon123 on Oct 24, 2019
Fetish

Amy Redoreck's day started like any other. She went into the coffee shop early and opened it. Why the coffee shop was open at night was beyond her, but they always seemed to get enough business so, whatever. She fended off Brad, her annoying co-worker's advances as always. She caught the creepy owner's stares at her boobs, check. And the usual customers came...

Open in Reader

Growth Spurt

by ThatGuyYouKnow98 on May 4, 2018
Science Fiction

(Authors note: First time doing this so I honestly have no idea what I’m doing) Welp, it’s official, this guy is a fucking weirdo. Here you are, sitting on the bus, trying to get home from work, minding your own business, when the creep next to you keeps leaning over every 10 seconds to look at your watch and ask what time it is. Please for the love of god g...

Open in Reader

Rebirth of the Beyonders Ch. 02

by Silenteye on Sep 17, 2017
Celebrities & Fan Fiction

As I mentioned before this story is more of a plot and action story than sex but there will be plenty of sex. This a scene more of plot and to identify who the beyonders are, what they do, and their goal. Enjoy! Mass Effect: Rebirth of the Beyonders Tags include: Transformation, Excessive Size, Excessive Cum, Cum Inflation, Growth, Balls Expansion, Penis E...

Drug Trials Ch. 07.5: The Missing Pills

by Grobnar on Aug 21, 2018
Celebrities & Fan Fiction

Hello there! Another Drug Trials minisode. This one is off the rails of sorts, but I enjoyed writing it. Contains: futa, breast expansion, ass expansion, giantess, etc. Everyone is over 18, comments and feedback are of course welcome. Enjoy! *** Halle Berry dropped the bag of pills in the passenger seat slightly perturbed. All she wanted was her meds, bu...