After moving to a rural area due to her husband's job transfer, Miki Sunoharawa found herself torn between anxiety over the new environment and hope for a fresh start. However, her husband remained preoccupied with work, leaving her emotional needs neglected. Overwhelmed by loneliness, Miki began seeking solace in masturbation. One day, the neighborhood association head, Yamada, paid her a visit and revealed footage capturing her private moments. The video exposed Miki writhing innocently in the throes of self-pleasure, setting the stage for an unexpected and disturbing turn of events.