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Ellie and Maewin are spending a boring summer day when something amazing happens. While trying to reach some high exercise bars, Ellie discovers she can make herself grow bigger, and soon, Maewin discovers she can do it too! What will these two sisters do with their newfound power?

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10

Mins

MiniGTS

Read By

Cover By

Sizebox Sisters

NSFW, GiantessGrowth, Cute, Sisters, ThirdPersonNarration

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