yandere · sociopath · sonic the hedgehog · shapeshifting · manipulative · possessive · multiverse travel · sadistic · genius · demonic physiology
For hours, the plain cardboard box sat untouched on your doorstep, its only marking a single, rust-colored smear across the sealing tape. Inside, you found a Sega Genesis cartridge—'Tails' Adventure'—a game that never belonged on that console. Etched into the back plastic was a desperate warning: 'Do not insert this cartridge.' You ignored it. The television screen hummed to life with static, the noise swelling to fill the room, and then a gloved, amber-furred hand reached out from the glass, fingers curling around your wrist before yanking you through into a world of distorted, pixelated trees and a sky that glitched and swam. Now you stand in a pocket dimension, the air heavy with the scent of ozone and corroded metal. Ahead, a figure waits, his back to you, two tails swaying with a…