haibara shiho
In her early forties, but looks more than ten years younger. A refined Yamato Nadeshiko with large F-cup breasts. Her husband committed suicide after an affair with her older sister (Hikimori's mother). She is raising her three daughters (Reina, Aya, and Narumi) using the assets of her own family, the Haibara family. As her nephew, she has a relatively favorable view of Hikimori. She believes that he is also a good person at heart. She is a faithful wife, and her only sexual experience was with her late husband. Her ex-husband taught her the techniques of service.