Chijo * kôkô kyôshi: Dôtei zeme (2007)

Reiko, a school nurse, is caught in a lingering, ambiguous relationship with her colleague, Hiromichi. One day, while Reiko is indulging in masturbation in the infirmary after school, Shunji from the baseball team walks in. She seduces him—noticing the bulge in his trousers—and...