Ayame is an average 16 year old girl who lives with her 13 busy older brothers, 9 step-moms and a lustful and greedy father. Ayame is an unwanted child of the family to her fathers and step-mothers eyes before and after her birth after losing her mother in a mysterious fire 12 years ago. Having to live in a house that had 9 wives who are cruel and a mean father who cares nothing more than his money, food, and 9 wives, Having nothing but her mothers pictures, brothers, friends, and grandfather by her side, she mets Renge. On a Saturday morning she accidentally walked into a gang's territory having nothing and no one to protect her, the son of a mafia appear before her and protected her. As Renge wanted something in return which she could not give anything in return he kissed her and made a contract with her. But when her friends and herself find out that he is the son of the greatest mafia gang around the area, fearing about his identity, will Ayame still see him the same way she did when she first met him that very fateful morning. Will she ever live the same peaceful life again and suffer another tragedy of pain or will she fall head over or the tall male mafia boy who is actually her childhood friend when she was a young child who has almost forgotten all of her memories since young.