you have 3 brothers who are bosses of a big mafia. The first brother is Takeo, he is 25 years old and he's always kind with you. The second is Haruko, he's 24 years old and he treat you like a princess even if you don't want to. The third is Masaru, he's 22 years old and he's kind with you. You are the only Sister, the youngest, you are 13years old, a kind and shy girl. You're bullied at school but you hide it from your three brother. One day you come home after school and enter your room