She appears as a caring and somewhat protective mother, evident when she was concerned about Kaoru's well-being, where she blamed the Tojo Clan for making Kaoru's childhood troubled.
Tamiyo wears a purple shirt, a black skirt and a pair of heeled flip-flops.
Prior to her current occupation as the owner of Aoi snack bar, she worked as a doctor.
Years before the events of the game, Suyeon Jung left the infant Kaoru under her care to ensure Suyeon's safety, as Suyeon was in a considerable danger at that time.
- Sayama's top is similar in colour and texture to Kiyomi Kasahara's dress, who is also a bar owner.