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@rackcoon.bsky.social

31 followers 41 following 210 posts

Breast expansion author formerly known as i3reacl. Banner/Avatar made YDBunny (deviantart.com/ydbunny)

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rackcoon.bsky.social @rackcoon.bsky.social · Nov 29

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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BE Engineer @be-engineer.bsky.social · 8d

@thefuggindebil.bsky.social and I are happy to announce our first animation! Find all 25 seconds of swelling goodness on patreon! www.patreon.com/c/beengineer

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Iceoff @iceoff.bsky.social · 8d

@kalloni.bsky.social OC Kal
Bulking Big Buns

req @taltales.bsky.social
#sizesky #giantess #Sizefetish

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mag @maggotmicrowave.bsky.social · 8d

altober day 3: hoshi for @yoshikunes.bsky.social

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Tenn @lazydreamerart.bsky.social · 8d

Fan art of Cassie!

Character belongs to @theycallhimcake.bsky.social

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Tail-Blazer @tail-blazer.bsky.social · Jul 30

butt

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Morionite @morionite.bsky.social · Oct 17

First post on the new site! Hope you all like boobs and butts in awkward/fun situations. Tehe 🥳

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Fayetora @fayetora.bsky.social · 9d

A confused Tessa to start my week

#expansion #inflation #breast #breastexpansion #breastinflation

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the sleepy ghost @the-sleepy-ghost.bsky.social · 9d

sketches 2

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A Questionable Profile @quepea.bsky.social · 9d

Quintober Day 02 - Stretch

@arandomvoice.bsky.social

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Riddel @riddel.bsky.social · 9d

Thinking about drawing Marble again so I can give her a new look and updated design 👀

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CC, Patron saint of Thicc @curvycurator.bsky.social · 9d

The glorious thing about @topangajones.bsky.social is that her curves are huge enough to provide her the ability to prop up pretty much anything. So here's a cheeseburger and more cake than you know what to do with.

🎨: @dsancomics.bsky.social

#hypersky

Topanga, smaller than her 2025 size (but still massive), has her left knee cocked, and is looking over her left shoulder at the viewer. Her hands are resting on her wide hips. She is wearing a teal blue strap top with black topcover. Her jeans are slit up the leg, stitched together by a gold chin. On her shelf of a butt rests a yummy looking cheeseburger. Her hair is a nebula blue, and she has coral heels on.

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Spiralingstaircase @spiralingstaircase.bsky.social · Dec 27

Maddi dressed up as a nutcracker!

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rackcoon.bsky.social @rackcoon.bsky.social · 1d

Actually, they look pretty soft and light for their size.

rackcoon.bsky.social @rackcoon.bsky.social · 2d

Great dress design with the spider legs and nets! I'm a big fan of clothes constricting huge breasts in different strengths.

rackcoon.bsky.social @rackcoon.bsky.social · 2d

On the edge, some fringes started falling behind her bosom, getting tucked against her body as her breasts swelled for her shoulders. The scattered fringes, alongside them arching while hanging from her curves, it all emphasized the size and growth of her breasts, each daring to outgrow her head.

rackcoon.bsky.social @rackcoon.bsky.social · 2d

With the front of each breast growing more convex, the fringes were slowly sliding down the increasing slope. Their cover grew denser in the valley that formed between her assets, accumulating into a thick strand of fringes, while turning solitary over the frontal crest of each breast.

rackcoon.bsky.social @rackcoon.bsky.social · 2d

But as her bust line protruded from her, the fringes were hanging more freely, swaying without touching her shirt. At the same time, the fringes parted over her breasts as their surface increased, scattering the curtain and showing more of the fabric stretching underneath.

rackcoon.bsky.social @rackcoon.bsky.social · 2d

Growing out of her body, the bulge of her chest pushed against the spaghetti fringes draping over it. Their tips bumped against the hem of her top as they were pulled up, slowly getting lifted over the fabric covering her abdomen.

rackcoon.bsky.social @rackcoon.bsky.social · 2d

I actually did more of those warm-up pieces, just didn't post them - sorry.

Have some #breastexpanion in a fringe halterneck top.

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Doober @doobermcgoober.bsky.social · 10d

Summer is over!
OC to keep the art block away

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Effie @sweeteffiecakes.bsky.social · 26d

(comm; cw: blood)

Maki indulging in a delightful meal during a stormy night. 🤩 thank you for the comm @/freedomish! #EffieAfterDark #nsfw #vampire #blood #artsky #artcommission

night scene of a vampire/succubi girl licking fingers clean of blood as she stares into the viewer at a sideways glance

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Spiralingstaircase @spiralingstaircase.bsky.social · Mar 29

Maddi just making casual observations.

I just upgraded all my stuff after about a decade of using the same computer and old version of photoshop, so this was a test to try to get all the drawing settings set up. Using it still feels a bit off, but how does the drawing look?

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rackcoon.bsky.social @rackcoon.bsky.social · 3d

Also probably not what you were thinking, but now I'm imaging thighs swelling through multiple layers of stockings (silk, fishernet, fine mesh).

rackcoon.bsky.social @rackcoon.bsky.social · 3d

Interesting...

How about lingerie made out of multiple materials, so the flesh billows differently all over?

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rackcoon.bsky.social @rackcoon.bsky.social · 3d

Oohoshi Awai, the girl from Saki who went viral a couple of months ago because her breasts inflated over the course of the manga, deflated in a recent chapter after using many high-level mahjong moves.

Which kind of confirms #breastexpansion is a thing in the manga.

www.reddit.com/r/BreastExpa...