Approached by a neighborhood uncle, mischievous Rindoru Hoshikawa impulsively follows him home. Invited into his house in a vulnerable state, she gradually lets her guard down as he skillfully manipulates her with his words. Exploiting her naivety about sex, the older man slowly breaks down her resistance, leading to a series of degrading creampie and anal abuses. Trusting his feigned kindness, Rindoru is drawn deeper into increasingly extreme perverted acts. As the creampie load grows heavier, she becomes consumed by pleasure, depicted climaxing repeatedly in escalating ecstasy.