With the measures against the declining birthrate and the stricter punishment for sex crimes, the guidance of health and physical education will be strengthened at schools nationwide from this year. In order to provide more practical sex education than before, both men and women will introduce a "quality" health and physical education curriculum naked. Focus on lesson content that cannot be learned by classroom lectures alone, such as the mechanism of ejaculation, sexual intercourse, and how to wear contraceptives (condoms), and have students actually experience it. This video was made mainly for faculty members, staff, PTA, etc. to explain this project. "A shameful work in which men and women are ashamed of being naked and receive ejaculation and sexual intercourse as sex education as a class" The latest work of the 2019 edition series!