SOD Sex Science Lab: As a company involved in sex, SOD seriously researches eroticism, aiming for the development of the sex industry, expansion of sexual knowledge (which can be used for product and service development, and constantly updating sexual common sense by disseminating it to society), etc. SOD's unique institution. The theme this time is the 【Irrumatio Juice】 generated by irrumatio. SOD female employees, led by the lab researcher, explore with their bodies on the line.