Mr. Yasui is in the nurse's office. The lustful male students, craving sex, continue to cast obscene glances at Mr. Yasui's bulge. One day, student Murata pretends to be sick and skips math class, sleeping on a bed in the nurse's office. As Mr. Yasui gently nurses him, his fragrant feminine scent makes Murata's erection grow uncontrollable, and he ends up pushing him down. Mr. Yasui panics, saying no, no, but he manages to get his penis off...