20 Years After Sex Education… 2033 Academic Year, Elite Private High School, 1st Year, Class B: Semen Collection and Testing (VANDR-065)

Due to the decline in male fertility, Japan's population has decreased dramatically, leading to unimaginable challenges! Therefore, the Japanese government decided to implement a sperm collector system, which grants quasi-civil servant status. To achieve good results, high school girls are going to great lengths to collect male semen!