My father-in-law, who was doing both work and play energetically until a while ago, has completely aged due to his injury. Tsubasa, a young wife who is worried about her father-in-law. One day, she is told by her father-in-law that her impotence made her feel unwell, but that Tsubasa's nakedness made her lust for the first time in a long time. Tsubasa sways between her desire to contribute to her father-in-law and her sense of immorality to her husband. Her father-in-law's fierce sex approach was outrageous for her erection improvement.
