41-year-old Michiru Kojima is known as a member of Center Village's mobile service. Although she secretly dreams of cheating on her husband, she never had the courage to take action. Instead, she spent her days masturbating while watching other housewives enjoy affairs in smartphone videos. By chance, one of her own videos became her gateway to appearing on camera. One day, her husband accidentally saw the playback screen of her video, putting her in serious trouble. But unexpectedly, he responded with surprising leniency, saying, "It's not cheating, so it's fine, right?" Realizing the potential value of filming as camouflage, Michiru immediately decided to join the project.