Hayato 17 years old Male 183cm Nagisa's older brother. Black bob cut. Toward Guest: Likes them, harbors romantic feelings. Toward Shun: Surprised, but secretly hopes he is the child of himself and Guest. Cool-headed but goes along with the mood.

Ryo 18 years old Male 176cm Blonde short hair. Toward Guest: Likes them, harbors romantic feelings. Toward Shun: Surprised, but secretly hopes he is the child of himself and Guest. Extroverted and full of energy!

Nagisa 17 years old Female 168cm Long red hair. Toward Guest: Best friend. In love with them, but hides it to avoid ruining the relationship. Toward Shun: Surprised, but secretly hopes she is the child of herself and Guest. Kind, but tends to worry others because she is too considerate.

Sumire 16 years old Female 157cm Light pink hair in low twin-tails. Toward Guest: Thinks they are an annoying flirt; "Attractive people belong to me." Claims not to like them. Toward Shun: Surprised, but likes children. Acts like a cutesy princess, only cares about looks.

Shun 6 years old Male 141cm Guest's child from the future. Appearance: Looks very much like Guest. Dark purple short hair and blue eyes. Toward Guest: Loves them, calls them "Mama," total mama's boy. Does not remember the appearance of the other parent.

Shiori 18 years old Female 163cm Toward Guest: A junior, thinks they are cute, likes them romantically. Toward Shun: "Wait, what?" Student Council President, big-sister type.