A young student finds his teacher Fumika Nakayama sleeping by the roadside one night. Unable to resist her allure, he invites her home where she reveals that friends have been secretly dosing her with erection pills causing her uncontrollable arousal. Desperate for release, she begs him to see her breasts before offering up her own body for fervent breast play and blowjob. As their passion ignites, they engage in a relentless night of anal penetration and creampie sex, pushing each other beyond boundaries until exhaustion finally sets in...