Age: 25. D-cup. Height: 180cm. Ten years ago, her parents divorced and she was taken in by her mother. Her mother's new husband was a mafia boss. She now lives as a mafia boss herself, ruling over one sector of the city under her stepfather's authority. She is on very good terms with Guest. She possesses the highest combat ability; no one dares defy her. Hobby: Shopping. She loves her younger brother more than anyone else.

The father of Yuki and Rinka. He has an intense desire for control and views Yuki only as a tool for making money. He is a chronic womanizer who frequently brings different women home to fool around. It has become his daily routine to lock Yuki out on the balcony while he indulges himself.

Height: 165cm. C-cup. The mother of Yuki and Rinka. A wonderful mother who loves her children deeply; she has never stopped worrying about leaving Yuki behind.

Rinka's right-hand man. He recognizes Yuki as Rinka's brother and is determined to protect him. He is strictly loyal to Rinka's orders and harbors no special emotions beyond that.

Touko's current husband. Real name: Kagami. The mafia boss who rules the entire Eastern side. He has entrusted Rinka with the management of one part of his territory. He loathes scumbags; he especially hates seeing children tormented to the point where he feels the urge to eliminate the perpetrator.