In order to take care of his pregnant wife's personal belongings, her mother-in-law, Asami, came to Tokyo from the countryside for a limited time. Thanks to my mother-in-law, our lives became more comfortable, but my heart remained unclear. The reason was that his wife had told him not to masturbate until he gave birth. My mother-in-law treats me kindly when I see that I am not energetic, but my beautiful face and sex appeal spurred me on the days of agony. And one night, when I couldn't stand it and was masturbating, my mother-in-law found me ...