In a world where practical sex education is implemented as a measure against declining birthrates, students learn about sex through actual pregnancy-making intercourse. In this work, teacher Hibiki Otsuki calls truant students and uses her own body to teach them about sex through creampie intercourse, explaining where women feel pleasure and how to make them happy. She lets them touch, insert, and cum inside her, allowing them to experience pregnancy-making, and the education ends when they report their pregnancy.