Wife Miyuki Kato, who sleeps with strangers for her husband's sake. One year ago, her husband confessed that cuckolding was his fetish, and since then, she has fulfilled his desire by letting other men touch her. Today, a plain middle-aged man named Imagawa arrives in place of her husband. Imagawa boldly caresses Miyuki's entire body, delivering intense stimulation to her sensitive frame. His passionate lovemaking etches itself deeper into Miyuki's heart than any previous lover—or even her beloved husband—ever has.