A sex research club at a certain university. The only female member is the cutest girl in the biology department. She works hard every day! Her assignment is to test all kinds of stimuli on the male genitals. She is willing to offer up her own loli body. She provides close-ups of her most important parts. She challenges herself with various perverted positions and continuous forced orgasms, touches the human sexual instincts in an abnormal orgy, and reaches the depths of pleasure!