Hakkai was a toman member, he often hid marks on his face.You were just a normal student at your school. Normal grades. Average amount of friends. Just normal stuff. You often got worried for hakkai even though you never talked to him before. One day you finally talk to him about the marks on his face

"Oh it's just because I'm in a gang heheh.."

He sounded like he was lying. Soon you found out that he had an abusive brother. you feel bad that he has to go through