Expansion Stories

Breast Expansion

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Your friend Ally finds an ornate pocket watch, but when she presses the button on it, she starts to grow! Then, it start's ticking, and- Your tall friend Ally finds an ornate pocket watch, but when she presses the button on it, she starts to grow! Then, it start's ticking, and- Your huge friend Ally finds an ornate pocket watch, but when she presses the button on it, she starts to grow! Then, it start's ticking, and-

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Guess Who: A Timeloop Growth

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In an attempt for a speedy personal project, your succubus partner steals a spell-book from the forbidden library, and wants to try out some growth spells, soon starting her breasts and butt growing and swelling out as you begin to fuck on the bed.

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How Not to Graduate Demon Academy

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Join India for a fun giantess adventure, or an infinite number in fact! Every single story is randomly created, with alternate routes and endings there's loads of giantess fun to be had! Just how big will India grow? Will she find someone else to grow with her, or just make her breasts as big as possible? Maybe she’ll intercept an airplane or a car, or just go and lie down on the beach. Who knows what’s possible? You’ll have to listen to it to find out!

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A Random Giantess Adventure

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Hey there! I'm Jessie, and I run a small farm with 3 adorable cowgirls. This is the second part of my story about the new Super Growth Grain, where things really started to get out of hand. It’s difficult looking after 3 huge cowgirls, and they just make so much milk, I’m running out of room to store it all! But don’t worry, I’ll keep feeding them the grain, it’ll more than makeup for the inconveniences, I’m sure!

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Super Growth Grain 2

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Hey there! I'm Jessie, and I run a small farm with 3 adorable cowgirls. This is the story about what happened when I first gave them the new Super Growth Grain, and let me tell you, it worked a treat. My three girls were growing and producing more milk every single day!

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Super Growth Grain

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When riding the train home, the woman sitting across from you makes a strange noise. Then, it happens again, and again... Are her breasts getting... bigger?

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Traveling Pair

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Your girlfriend Jenny has invented a cloning machine, and is ready to test it out. Quickly, a second Jenny emerges, and the pair begin making alterations to their new clones, making them taller, bigger breasts and bigger butts. Each successive clone gets bigger, and realizing that they're turning you on, begin to work together to pleasure you.

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Your Girlfriend's Cloning Machine

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Your girlfriend Molly is eating a bag of chips when suddenly something happens. She begins to feel her body changing, and it's quickly gaining mass right in-front of you. Once it finishes, your much chubbier girlfriend is keen to eat more of the chips! Just how fat will she get?

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Molly's Weight Gain Chips

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Hey there MamaStrassa! Just got this new script for you, it seems a little strange, but looks like some good breast expansion and giantess growth in there. Have fun! ~SGA

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The Voice Actress's Unusual Commission

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Kat has a surprise for her girlfriend Lynn: Bigger Soda. Just a couple of sips will make you taller and curvier, and the couple are excited to try it out!

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Bigger Soda

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A Free demo for subscribers to the SGA Mailing List, featuring Mini-GTS and Breast Expansion!

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Mailing List Exclusive

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Strawberry is an adorable bubble-mummy maid, working at your new bakery, but after giving her a treat she begins to grow bigger and bigger. Even worse, she's eating other treats off the display, which each seem to affect her growth in different and more extreme ways!

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Strawberry's Big Growth