Riko comes to her male friend's house to ask for advice. She says her boyfriend is a hopeless sloppy guy who is always cheating on her. She thought she came to ask for serious advice, but she never expected that her male friend would drug her and rape her. The aphrodisiac that Riko unknowingly took gradually spreads throughout her body, making her uterus hot. When her male friend notices this, he grabs a camera and, to release his frustration, sticks his hand into Riko's pants and starts taking them off himself...