After three years of marriage, Yuriko has grown increasingly troubled by the fading relationship with her husband. Conversations have dwindled, they no longer share meals together, and their sex life has all but disappeared, leaving her emotionally distressed. Recently, rumors have spread about a younger woman involved with her husband, pushing their marriage to the brink of despair. Pure-hearted and earnest by nature, Yuriko can no longer endure the loneliness of being neglected for over half a year. Losing control of her emotions, she weeps as she commits adultery on camera. Overwhelmed by intense pleasure, she reaches a powerful climax. Experience this taboo threesome as marital bonds crumble and a new, illicit relationship begins.