After Ryuki had sex with the porn actress Kiriru, he met up with his friends at a river to swim naked. While trying to brag about his conquest with Kiriru, she suddenly appeared and scolded him for not fulfilling their agreement. As punishment, Ryuki had to record a homemade porn video in which Kiriru would have sex with his friends. During the sexual act, Ryuki felt jealousy and regret, and vented his frustration on Kiriru’s body.