Vice principal

Akasaki Mana. After her parents died in an accident she lives with her uncle and joins the appraisal meetings, spreading her vulva, urinating on command, and receiving penetration.

A boy from the same class. Attends for the first time with Maruyama, receives Mizuno's sex lesson, and penetrates Chika.

A junior-idol girl with a princess-like look who appears on TV. At the appraisal meeting she leads sex-education practice, spreads her vulva, and demonstrates fellatio and penetrative sex.

The adult man who cares for Mana. He hosts the appraisal meetings, runs the sex-education lessons, and has sex with Mizuno.