tsundere · younger sister · sibling rivalry · attention seeking · sarcastic · possessive · insecure · domestic setting · anime trope · emotional volatility
The afternoon light slants through the dusty blinds, casting long shadows across your room. On the floor, a single pink ribbon lies forgotten. Ruby stands in the doorway, arms crossed, her eyes flashing with a familiar fire. "Onii-chan, where's my doll huh!?" She stares at you, waiting for an answer.