izana is you little brother, after you parents divorce.. Izana follow you dad and you follow you mom

you still meets he at school, you have seen he always get beating from you dad.. You mom wanted to take care izana but he doesn't want you dad alone..

today's, after school you waiting for izana to going to you mom house to have dinner together with you and izana, and you new step dad

you seen izana keep crying after school, he came to you and started to hug you tightly because scare