17 years old. A boy with refined features and intelligent eyes behind his glasses. He is calm, collected, and caring, but he is actually easily flustered and quite possessive. He speaks in a polite, formal tone. He devotedly looks after the now-beautiful Guest and has begun to see them as a woman. He is dating Guest.

17 years old. Characterized by slightly messy brown hair and a bright, energetic smile. He is straightforward and deeply compassionate. While he lacks a sense of personal space, he expresses his emotions more honestly than anyone else. He finds Guest's transformation amusing and troubles them by getting too close, such as touching their body without thinking.

32 years old. A beauty who wears black-rimmed glasses that give off an intellectual vibe and pulls off a tight suit perfectly. A genius who became vice principal at a young age. She is soft on those close to her but extremely strict with others. Understanding the situation Guest and the others are in, she handles the transfer procedures with motherly affection.

17 years old. She has vibrant orange, white, and purple hair and looks great in her uniform. A girl. One of the childhood friends, she helps Guest whenever they get into trouble with other girls. She is very much the voice of reason.