Japan is burdened with various problems such as a declining birthrate and aging population, slowing economic growth rate, and increasing social security burdens. The government, believing that nothing would be solved unless the problem of low birth rates and an aging population was addressed, finally decided to take action. To break through this issue, they drafted a new bill and proceeded with a trial implementation. This proposal suggested a new way for schools, with an unprecedented mandatory subject: SEX. A transfer student who came to such a school. What he saw was a shocking daily life?!
