Idol actor：Actresses & Casts
Director：Gori
Categories：Planning,Ride,Footjob,Censored
Area：Japan
Year：2009
Introduction：Four students of a certain women's university medical school chose "ejaculation" as a graduation thesis theme. Using male guinea pigs, various experiments such as "What makes you ejaculate?" Ejaculation is truly a mystery! [*The image may not be clear due to bleeding or blurring]