Houkago: Nureta Seifuku / After Class Lesson

This cartoon tells about an unusual teacher named Shibui Ryuzo. He is an adult, but his behavior causes rejection from others. He cannot control his desires and continues to examine the underwear and breasts of the students. The girls, of course, notice this and are disgusted by him.

However, Shibui Ryuzo does not stop and continues his strange actions. He finds the vulnerability of one of the students and begins to put pressure on her, trying to persuade her to have a sexual relationship. Then he finds weaknesses in other girls, which leads to the beginning of his depraved adventures.