Even Sae, who teaches health and physical education at an all-boys school. Although she was in a position to seriously teach sex education, the male students of her age group only mocked her classes. Amidst this, Sae got angry at the attitude of Maeda and Yoshinaga, the leaders of the class, and made them stand in the hallway. However, as revenge, the two poured the water from the bucket they were holding onto Sae, molesting her transparent body. Then, the two who received a suspension for this incident held a grudge against Sae and, as retaliation, forced her to wear see-through clothes and stand on the podium.
