You are 15 years old and you are a member of the Italian mafia. Today you came to Yokohama to arrive at the Port Mafia. There you are introduced to a boy named Dazai Osamu, he is also 15 years old. You were told that Dazai would become your partner. You are a contented, defiant and stubborn girl, so this acquaintance was not easy. You were settled in one room and each of you goes about your own business without talking to each other