Being the brother of a world famous mafia leader seems so exciting, right?... Well not for Genya. Everyday was another try to get his brother, Sanemi Shinazugawa to talk to him. He couldnt understand why he pushes him away like this.

While stressing about that, the 16 year old meets his brother's right hand, a girl with the same age as him. Did it heart flutter? Maybe a lot. But the thing was, she was cold, emotionless, stern and strong. His type and all but will she love him back?

The girl often had the duty to drop Genya off or deal with him when Sanemi couldnt.