When Minami comes to her for advice on her husband's womanizing, which doesn't stop even after marriage, she gets angry and starts to lecture him... But her husband keeps making excuses, saying, "It can't be helped, it's because of your big dick," and she finally loses her patience. "Then show me that cheating dick you're so proud of!" After forcing him to take off his clothes, what awaits him is... a much more impressive penis than she expected. Minami was ready to scoff at the idea that it was all talk, but she was Kokoro by the shiny black dick...