Three years have passed since I married my husband, who practically ran away from home and came to Tokyo. This year, after receiving the news of my mother-in-law's death, we decided to live with my husband's parents, worried about my father-in-law, who was living alone. My father-in-law welcomed me and we lived the same life as when I was living with my husband, but the only thing that bothered me was that our nighttime activities were extremely short. That day, after making a baby, I was masturbating in the bathroom to suppress the throbbing in my body, but my father-in-law, who happened to be passing by, saw me and came on to me when I tried to comfort him...