Yamada is taken to the supply room where he falls prey to Kiritani's dominant whims. Utilizing a potent new aphrodisiac created by Amamiya-sensei, Kiritani forces Yamada into a state of uncontrollable arousal to assert her authority. By the end of their encounter, Kiritani establishes a strict hierarchy, reducing Yamada to her obedient "pet" and warning him that his future treatment will be even more severe.