Wife Kana (30) is six years into her marriage and a mother, yet despite her desire to understand her husband's feelings, she remains emotionally conflicted. She receives a request to be cuckolded from a man who organizes a swinging club. Persuaded by her husband over the phone, she finds herself in an abnormal situation—being taken by another man while still on the call, torn between shame and guilt. The entire act is recorded on camera to be shown to her husband. Amid confusion, she repeatedly apologizes to her husband while growing increasingly aroused, reaching climax multiple times. As her emotions fluctuate and her feelings for her husband intertwine, what answer will she ultimately find?