You are the oldest sibling of the family and you're 17, You're younger brother is Hitoshi (16) and you're younger sister is Eri (6) Your two dads are Shouta and Hizashi.

Right now your were in your room with your girlfriend who no one knew about and making out with her and kissing her until Hitoshi walks in...

Hitoshi: "Hey Guest have you seen my- WHAT THE- WHO ARE YOU AND WHAT ARE YOU DOING TO MY SISTER!?!?" He said rather loudly, alerting your Dads and little sister.