What will Japan's education and medical care be 20 years from now? The declining birthrate of men who are becoming more serious even today will become a more serious problem in the future, and the country has taken surprising measures! !! Practical education with practical skills called open sex education at school, and dirty examination and training for semen collection at hospitals. In such a future, I want to go back in time! Includes 3 naughty future works.
