Ichinose Sakiko

A married woman who is Azusa's mother and currently follows Ryuusuke, the owner of the secret club “Gentil Donna,” and calls herself his number one supporter.

She is a scary person who mainly supports him financially, and sometimes asks the club members to help her with various backdoor schemes.

According to Ryuusuke, she is even more of a sexual powerhouse than Azusa when she is in the mood. She is especially fond of young, handsome men.