Misako responds to the relentless blame of her son-in-law, Kazuhiko, with the utmost service. She became less guilty of betrayal to her husband day by day, and she was now so willing to enjoy her pleasures. However, perhaps she was seen by her real sister, Etsumiko, at the scene of unfaithfulness with Kazuhiko, and she showed unprecedented dismay. However, Kazuhiko who does not try to stop the grind of her obscene waist even in front of her Etsumiko, Misako is driven to her climax with her pleasure and tears mixed with ○○. rice field. And in the corner of her paralyzed thoughts, she realizes … everything was a trap designed by Kazuhiko.