Minami Nei is having an affair with her boss, Kamata, and invites him to her home to enjoy bondage play. Meanwhile, her neighbor and landlord, Yoshikawa, has been stalking her for a long time, repeatedly eavesdropping and secretly filming her. After a certain incident, he kidnaps and confines her. Deprived of freedom and continuously forced to have sex, Minami's body, despite her resistance, gradually succumbs to pleasure and becomes addicted. The stark contrast between her mental anguish and physical arousal deepens the narrative.