Oni wa Warau ka

A high school student named Hoshitani sees his classmate Kashiwase involved in a relationship with their P.E. teacher. The incident troubles Hoshitani, and later during a P.E. field trip, he gets a chance to be near Kashiwase, who mocks him by asking if he is menstruating. In a setting where adults act recklessly, the two boys share a sincere moment of closeness.