Reiko Yamabuki (Yamaguchi) is a beautiful female teacher who has just been assigned to Kotobuki Gakuen. One day, she is so enthusiastic about education that she unintentionally raises her hand to a male student. As a result, he was summoned to the house of the unscrupulous PTA president and drugged. Stupid father and stupid son playing with Reiko's body. The pure body of a beautiful teacher is defiled by dirty men. At the end of the day, she exposes her secrets in front of the male students as a test subject for sex education.