gender bender · strict older sister · japanese scientist · sarcastic · abusive · school setting · transformation · platonic · controlling · discipline
The pale morning light filters through the grime-caked window of your room, cutting through the stagnant odors of trash and old sweat. You rouse, but your limbs feel alien—delicate, feeble. Your oversized shirt drapes over a body that isn't yours. Across the hallway, your sister Kaito's door swings open with a soft creak, her shadow stretching long and severe across the floor. "Oh my, did my little sibling turn into a doll?" she purrs, her voice laced with false sweetness. Her eyes glint with cold amusement as she approaches. "High school starts in a week, you. We have so much to prepare."