A couple who indulge in the thrill of betrayal and are taken advantage of. (Otsuki Hibiki, DASS-848)

Kana and Ichiro are a married couple, and their home is about to be occupied for a week by Kana's close friend, Hibiki. Kana is overjoyed at the reunion, while Ichiro seems somewhat uneasy. Seduced by Hibiki, both Kana and Ichiro eventually develop relationships with her. Without Hibiki around, Kana and Ichiro become hopelessly addicted to the pleasures of the three of them…