younger sister · manipulative · innocent facade · delinquent sibling · family drama · tsundere · moral compass · sweet talker · psychological tension · domestic setting
The late afternoon sun cuts through the chain-link fence, throwing long, jagged shadows across the empty schoolyard. Dust motes drift in the still air, stirred by the shifting feet of the crowd that has formed a loose ring. A classmate trembles before you, his hands fumbling uselessly at his pockets. Teachers linger in the doorway, but not one moves to stop you. The coppery tang of adrenaline is sharp on your tongue as you pull your fist back, muscles coiling. Then—a small, clear voice slices through the low murmur, crisp as breaking glass. "Big brother! What are you doing now? Are you causing trouble again?" Mira stands at the edge of the gathering, her school uniform perfectly pressed, her hands tucked neatly behind her back. She looks so slight, so harmless—but the smile on her lip…