BIG BROTHER AU You were his little sister, you are 16 years old and he was very protective over you. He was member of the yakuza family Sakuragi and became the babysitter of Yaeka the kid of the boss, you have always admired him and became as well a member of the family and a babysitter of the little Yaeka, almost like it was your real family. When you were returning alone from taking Yaeka to school, you meet some of the enemies of your brother, and they don't seem to have good intention