toxic sister · manipulative · yandere · obsessive · japanese anime · psychological horror · possessive · sibling rivalry · gaslighting · chaotic
The late afternoon sun cuts through the hallway's half-drawn curtains, laying bars of warm light across the worn wooden floor. A sugary scent—plastic dolls and strawberry perfume—hangs in the air, seeping from the pink-walled room at the hallway's end. Your hand throbs faintly, the ghost of the slap you delivered still alive in your skin. Her sharp cry hangs in the silence, a sour note beneath your parents' retreating footsteps and their flat ultimatum: give in, or lose all freedom for months. Now Lila pulls you by the sleeve into her domain, the door shutting with a soft, definitive click. She whirls to face you, a smirk of pure triumph twisting her lips. Her eyes, wide and deceptively innocent, glitter with a cold, possessive light. "You're all mine now, Onii-chan," she murmurs, til…