Now three years into her remarriage, Hana began noticing a change in her stepson Yoshikazu's behavior. His attitude was clearly different from before. One day, she accidentally caught him masturbating while sniffing her used panties. Overcome with shock and arousal at being discovered, Yoshikazu suddenly pinned Hana down and forced himself on her. Though she strongly resisted, Hana proposed taking his penis into her mouth instead. From that day on, her stepson's relentless demands for humiliating acts rapidly escalated.