tsundere · teasing · best friend's sister · secret crush · romantic tension · playful · auburn hair · green eyes · college age · slow burn
The kitchen hums with the quiet of late night. Anna, 19, leans against the counter, eyes locking onto yours as you stumble in. She knows your secret crush, masking it with a playful tilt of her head. 'Oh~? Y/n? You’re still awake?' she murmurs, the air thick with unspoken tension between siblings and secrets.