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Fate/Slither
🕑 Added 2023-09-04 18:13:43 +0000 UTCSeries: Fate/Stay Night
Characters: Rin Tohsaka, Sakura Matou
Contains: Inflation/Expansion, body horror
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Things had not gone as planned. In fact, Rin Tohsaka knew they had gone very, very wrong. The occasional magic bug? Easy to destroy. Shinji? A swift kick had dealt with him. Even getting Sakura to run despite how tired she was didn’t prove difficult.
Sakura starting to swell was not expected. Rin had kept her eyes forward and firmly gripped her sister by the wrist. She pulled her along and wasn’t afraid to tug when Sakura started to lag behind. At one point though, Sakura stopped and couldn’t be pulled again. When Ren looked behind her, she noticed how swollen Sakura’s stomach was.
Sakura was as slender as a reed when Rin had found her. Now her stomach was as big and almost as round as a beach ball. There was a pained look on Sakura’s face and she winced as her stomach visibly swelled even larger. The growth was evident in other places too. Her sides bloated outward and her hips seemed wider too. Sakura panted heavily from exhaustion and the growing stress on her body. She looked down at how her belly lurched in front of her, and she also noticed that her chest was growing. Within seconds her breasts became as large as her head. She stepped back on quivering thighs which were now as wide as her waist used to be.
Sakura was swelling as the crest worms inside of her started to multiply rapidly. Every bit of available space was taken up yet they still proliferated. That was what made Sakura inflate like a balloon. She grew bigger and bigger, her body became rounded. She clutched her belly with visibly puffy arms and whined.
Rin could only think this was some sort of trap triggered to keep Sakura from escaping. Had it activated because she was running? Did her increased heart rate set the process off? The possibilities ran through her mind as she watched her sister swell rapidly. Instinctually, she stepped forward and placed her hands on Sakura’s shoulders. She could feel the worms squirm from within.
Sakura’s cheeks were puffier, her neck bulged, thick shoulders sloped into bloated upper arms with slightly narrower forearms. Neither sister intended it, but their chests touched even when they were more than a foot apart from each other. Sakura’s breasts were now as large as watermelons while an even larger belly pressed against Rin’s flat stomach. The bloated, distended gut was now connected to her sides and stretched around her like an inflated ring. The upper curve started at her breasts, stretched further than her arms could reach, hung to the middle of her thighs, curved back, and stopped above her pelvis. The sides of her stomach, where love handles should have been, were thick and sharply curved. The connection between them and Sakura’s belly was seamless. It then stretched around to her back which now swelled and curved to a slightly lessened extent than her front. Her hips stretched until they were more than half of her height. If they did come to a door, then she would undoubtedly get her hips stuck. Her butt cheeks billowed outward until they were each the size of yoga balls and even her pelvis gained a pronounced curve. It stretched to her knees and was wide enough to force her legs apart. Now her thighs were as wide as telephone poles. She was growing into a segmented, spherical shape.
Rin tried to think of what to do. She noticed that Sakura’s eyes had glazed over. It was like she wasn’t there or like she stared a thousand miles away. Rin started to snap her fingers and try to get Sakura’s attention. Instead, Sakura’s head lurched forward. Their lips mashed together.
Rin was too shocked to pull away and her eyes suddenly widened in horror. Numerous, squirming masses filled her mouth and began to rapidly flow down her throat. Her throat undulated as she involuntarily swallowed. She felt her stomach distend and grow. An unnatural pressure filled her. This wasn’t like being stuffed. It felt inherently wrong and she only managed to step back after her stomach was as big as a beach ball.
She opened her mouth to scream but no noise came out. Rin simply fell to her knees and barely registered how the cold floor touched the bottom of her exposed stomach. Her entire system was in shock. Was this how Sakura always felt? The crest worms quickly resumed their multiplying. Perhaps they had never stopped. They eagerly spread throughout the new, mana-rich body. Rin grew just like Sakura.
The growth was slower at first, but it quickly started to accelerate. The worms multiplied, more worms multiplying made it go faster, and thus Rin swelled exceptionally quickly. She couldn’t get up from the floor. Her body grew and she was propped up by her belly. Her senses tried to settle, but the foreign presence of the invading, vile creatures prevented it. The rational part of Rin’s mind was pushed down lest it shatter at the realization of what happened to her.
Her butt, propped up in the air by her position, swelled and stretched her pantyhose to transparency. It battled her stomach for dominance and balance. Subconsciously, Rin tried to reach her arms and legs out to stabilize herself, but each of the four limbs was too bloated to move in coordination. Her upper arms swelled into round, tire-sized masses while her forearm was a volleyball-sized bump nestled atop it. The more each limb grew, the closer it seemed like they would merge into one sphere. Her legs could only idly kick in the air. Each leg was broader than a doorway. There was utterly no way to escape now. These weren’t legs meant to walk. There was no segment between her thigh and lower leg, just one giant semi-spherical shape. All she and Sakura could do was swell with more worms. They would grow until who knows what. The pressure within Rin’s entire body gave the impression that the inevitable end wouldn’t be good.
THE END
