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rackcoon.bsky.social
@rackcoon.bsky.social
Breast expansion author formerly known as i3reacl.

Banner/Avatar made YDBunny (deviantart.com/ydbunny)


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I'm a breast expansion author, meaning I write about growing breasts (and occassionally butts). My shtick is that I write about the process of growth in meticulous, a little excessive detail.

Feedback is always appreciated :)

patreon.com/user?u=100991058
deviantart.com/rack-coon
Get more from Rack-Coon on Patreon
Author of Breast Expansion Stories
patreon.com
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Happy B-Day, Ida!💚(OC)
October 31, 2025 at 5:43 PM
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Did a Sophia Hourglass expansion a couple months back.
November 20, 2025 at 11:59 PM
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Floaters
November 21, 2025 at 2:04 PM
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Reups-

Bella and Val by @theycallhimcake.bsky.social

Freakier stuff below 👁️
November 20, 2025 at 8:46 PM
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legitimately the only thing my brain wants to do lately
November 20, 2025 at 3:07 AM
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~Commission~
November 19, 2025 at 11:46 PM
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Turkeybutt Maddi for 2025! Happy Thanksgiving!
November 20, 2025 at 1:23 AM
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ルピーちゃん描いた!ファンアートたくさん描きたい👍
November 20, 2025 at 10:57 AM
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Commission No.355

After soaking my hand in warm water for another week, my hand has recovered and I can draw again * v *

#commission #bigboobs #art #illust #sketch #pencil
November 20, 2025 at 3:46 PM
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Gift for @theycallhimcake.bsky.social of his precious boy Finley! 💙💙💙
November 20, 2025 at 4:18 PM
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Here is a collection of images of Maddison dressed as a Thanksgiving turkey over the last few years
November 19, 2025 at 4:55 AM
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What's your favourite view of Bobbi?
November 19, 2025 at 3:12 PM
Never skip #buttexpansion day!

Also trying out image upload instead of comment spam.
November 25, 2025 at 5:43 PM
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See anything you like?😘
I love hanging from my colossal, squishy, soft, sexy tits. But I can get into some different poses, especially with my hydraulic platform.

(Imagine putting your hands on my belly and tucking them up in my underboob...🥵)

Thanks to @gindummy.bsky.social for the art! #HyperSky
November 17, 2025 at 6:27 PM
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Congratulations to all!🍈✨
#いいおっぱいの日
November 8, 2025 at 12:36 PM
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November 16, 2025 at 4:56 PM
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November 17, 2025 at 8:35 AM
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I've wanted to draw @lukex8.bsky.social's character, Francesca, for a long while now. Frankly, I find her design irresistible and I will never recover 🫠♥️
November 16, 2025 at 3:09 AM
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From my upcoming Vivian origin comic! Breast Expansion, Giantess action and female muscle growth folks! Links in bio to all my sites! LOVE YOU ALL and stay awesome! -Ready
November 15, 2025 at 7:14 PM
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If you're curious, here's a height comparison! Bella is 6 feet tall, by all accounts a ginourmous woman. But Cassie.....
July 28, 2025 at 6:36 PM
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I modelled Bella! 🐮
July 28, 2025 at 6:29 PM
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compressed streamers 🐮🐍
August 19, 2025 at 11:33 PM
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At it's very least, growth can sometimes be a little... shocking
November 15, 2025 at 5:13 PM
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The second WIP of our upcoming animation! Find more and support our efforts on Patreon. Every little bit helps: www.patreon.com/c/beengineer
November 15, 2025 at 5:07 PM
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It's a struggle
November 15, 2025 at 2:01 PM