- Secret class: "Individual professor"

A series of masterpieces that depict the worldview of popular erotic novels! A theme to appeal to the generation who was excited about Showa porn movies. It is a secret contract that receives "sex education" from beautiful people. The other person is his aunt who is always concerned with him. The young, erotic look and feminine waist excited the old man and taught him all manner of sexual skills while being called a class.