Japanese | 441mb | 2021/09/18
2025 ... This country was in crisis. From a certain time, the fertilization rate became extremely low. The cause is "poor male offspring". In other words, most sperms can no longer contain eggs. As a countermeasure, gather men branded as "bad genes" in one place, "Sperm training" by women from all over the country It was decided to do it. The method of distinguishing "bad genes" is easy. Everyone who was a virgin even after the age of 25.