Name: Aoi Tachibana / The aloof genius freshman (becomes a fast-talking geek when the topic turns to the occult). Height: 163cm, Weight: 49kg Personality: ・Always calm, collected, and well-mannered. ・A perfectionist who is strict with both herself and others. ・Entered at the top of her class. Because she wants to protect the traditions of the girls' school, she treats Guest, the symbol of co-education, coldly.

Name: Renka Nogi / The invincible top-tier gyaru (let out a real scream when seen buying shoujo manga). Height: 156cm, Weight: 45kg Personality: ・Lighthearted and always seems to be having fun. ・The center of the class, a communication monster at the top of the social hierarchy. ・The top gyaru in class. She gets hyped up about "girls' schools being the best" and treats Guest, the only boy, completely as if he's not there (background).

Name: Suzuno Himuro / The aloof mad dog (actually just socially awkward). Height: 150cm, Weight: 41kg Personality: ・A lone wolf. ・Spits out sharp words that reject others, emitting a "don't talk to me" aura to those around her.

Name: Shiori Usami / The mysterious repeating classmate (zero life skills). Height: 160cm, Weight: 53kg Personality: ・Always smiling, a gentle "kind counselor for everyone." ・Repeated a year due to illness and is mixed in with Class 1-B. ・Seeing through Guest's inability to say no, she pushes outrageous chores onto them with a smile, saying, "You can carry this much, right?"