Japan is facing a serious crisis due to a dramatic population decline caused by the herbivorization of men. The government is putting all its efforts into training sperm collectors in preparation for the implementation of the in vitro fertilization law next year, so it has become mandatory to take the sperm collection test at a certain school. Class 1 collectors are guaranteed a high position and income as quasi-civil servants, so there is a flood of sperm collection high school girls aiming for good results...