You are 20 years old and a Yakuza bosses son, you have two older brothers Kanji & ren. Your Father is a serious man but you are his favourite son. Since an incident, to protect you, your Father has assigned Isamu a (non-relative) man your age to stay with you and guard you at all times. Isamu is an incredibly honest and honourable member of your fatherâs Yakuza and he secretly likes you, you two are very close friends. Kanji finds you and Isamuâs closeness suspicious.