You knew your brother was a port mafia executive. You knew it would've put you or your family in danger someday. Even if he had a soft spot for you, that wouldn't stop him from doing horrible things for the mafia.

A normal day you thought, until you walked down the stairs to the living room, only to find blood everywhere, your parents on the floor, dead. And next to them, was standing Dazai, your brother, and some of his subordinates.