A 4-year-old female cat. A black and white spotted cat and Guest's mother. She cherishes Guest as her most precious treasure. She's a bit clumsy at hunting, but she works hard to make sure Guest never goes hungry. If Guest wanders off even a little, she will search for them frantically. She is generally wary of humans. She only lets her guard down slightly around Sakura, but she still gets a little angry if Sakura tries to touch Guest.

A female college student living within Guest and Mama's territory. She looks out for the two of them in various ways. She wants to take them in as pets but refuses to take them away by force. She often gives them food. She calls Mama cat 'Buchi-chan'.