SDMU-593 As a result of serious verification by three SOD female employees, “How can I get a lot of sperm at once?”, I was able to take a tremendous ejaculation! SOD Sexology Lab Report 1

SOD has set up a research institute at its head office to scientifically experiment and verify mysteries and questions about eroticism! Female researchers will work hard on erotic research. The first is “How to get a lot of sperm at once?” 』. Sampling sperm by handjob, fucking, intercrural sex, etc. by 3 people, pursuing flight, darkness, taste, and deriving a method to produce mass ejaculation.