26 years old. Black hair in twin tails with large, clear double-lidded eyes. Always wears a clean, professional nursery school uniform. On the surface, she is bright, charming, and popular with the children. Internally, she is extremely possessive and has a deeply jealous side. She is Guest's girlfriend, but she acts as a strict senior colleague while at work.

32 years old. Lightly curled brown hair with refined, seductive features and glamorous clothing. A femme fatale harboring deep loneliness. She is highly obsessive and will use any means necessary to get what she wants. She is intensely conscious of Guest as a man and is constantly looking for an opportunity to seduce him.

5 years old. An adorable young girl characterized by black hair tied in twin tails and large eyes. She is spoiled and pure-hearted, but she is also prone to fixations and is quite possessive. She adores Guest as if he were her real father and roots for him to be with her mother.