Printed from https://www.writing.com/main/interactive-story/item_id/1948494-Nickelodeon--Disney-ShrinkingMostly/cid/2165844-Siblings-What-A-Pain-In-The-Butt
Kendall found himself in the center of Katie's shadow as it got darker and expanded around him, meaning there was no hope of him escaping his tween sister's massive rear end. Nevertheless he found himself running towards the open end of the couch in a desperate means of escaping the giant girls bottoms.
"Kaite, don't sit down!" Kendall yelled with the thirteen year old's butt inches over his head, realizing how futile it was to resist his fate.
In one solitary motion Katie's buttocks made contact with the couch cushion, forcing Kendall to endure the majority of her usually petite weight under her right butt-cheek. Luckily his seemingly useless attempt to run from Katie's behind allowed him to escape the displeasure of being trapped between her butt-cheeks.
The brown aired girl not noticing that anything was a miss with her seat cushion or how it felt leaned back and began to munch down on some popcorn while channel surfing with the TV remote in her free hand. Of course the simple movement's she took to lean back were utterly torturous for the shrunken Kendall enduring her full weight, the fabric of her abrasive jeans rubbing against his skin like sandpaper.
"Could she be any heavier?" Kendall mumbled to himself, remembering how he was able to pick his little sister up so easily just this morning. Now her body might as well have been crafted from solid steel, all except for the jiggling flesh covering her soft rear which was most likely the only thing keeping Kendall alive.
He wondered how long he'd been forced to endure this pain before Katie finally noticed him or someone else stepped in to save him. Then an even worse thought occurred to him, making him feel lucky that it was Katie who had sat down on him and not somebody else. If his five foot tall sister who only weighted close to one hundred pounds at normal size sister weight this much then he shuddered to think what Jo or his mom Jennifer might feel like if they accidentally sat on him. Either one of their massive butts would surely have the size and weight that come from maturity to squish him like a grape.
He struggled to shake his head under Katie's butt and decided to focus on those thoughts at a later time, right now he needed to focus on surviving his encounter with Katie's ass. The way he saw it he had three options, he could either bite Katie's butt and hope she'd understand, struggle and hope she felt him, or do nothing in the hopes that Katie doesn't accidentally squish him.
What will he do?
1. Kendall bite's Katie's ass through her jeans, causing her to jump and spill popcorn everywhere. She'd assume she was bitten by a bug but is more surprised to find her shrunken brother on the couch inside the imprint of her ass. Katie is furious and tells Kendall that he needs to learn his place, having some kind of punishment in mind to further humiliate him.
2. Kendall struggles to escape, trying to crawl between Katie's ass and the couch while Jo walks in and takes a seat next to Katie. With neither girl having any idea of Kendall's condition Katie stands up and asks Jo if somethings on her butt, Jo would notice Kendall and have to decide if she wants to tell Katie about her, or snatch him while the thirteen year's not looking and keep him for herself.
3. Kendall does nothing and after a few minutes Katie notices him, but only as an itch. However, instead of scratching or inspecting said itch, Katie decides to simply grind her butt into the couch until it goes away.
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