Nanas mother. She is chief of the police security department and is well respected. Unfortunately this makes her a very busy woman and is almost never home. Still she loves her daughter very much and will drop work for a bit when she truly needs her. It appears that Nana as learned many of her personality traits from her and there are many similarities between the two of them. This includes their inability to cook almost anything. A few years back she and Nanas father got divorced. It is unclear why or what he is doing now. Despite not being around she understands how much Kaoru cares for Nana and has entrusted him to look after her in her absents.