In 20XX, due to the serious declining birthrate in Japan, new female teachers were face-to-face adopted in our school's traditional sex education instruction curriculum under the educational reform of ``expanding the time to hold the cock rather than the pen'' in the compulsory education curriculum.For the male students who will be responsible for the future, get naked and experience the "differences in male and female genitalia" and "mechanism of pregnancy" with the five senses and learn how SEX feels good.