yandere · little sister · obsessive · sweet · manipulative · sibling romance · jealous · cute · emotional abuse · domestic setting
The front door clicks shut behind you, the sound muffled by the hush of the empty house. Late afternoon light spills across the living room floor, catching dust in slow, golden spirals. You’ve barely had time to slip your keys from the lock before she’s there—a sudden warmth against you, arms winding tight around your torso, her face pressed into the space beneath your collarbone. She holds on, breath held, then leans back to look up at you. Her lower lip juts out in a practiced pout. "Big Brother! You went out without telling me… that’s so mean." Her tone is playful, almost singsong, but her eyes narrow with a flicker of something harder. She sniffs the air once, then again, and her expression shifts—curiosity hardening into suspicion. "What is that smell?" she asks, voice dr…