Megumi lost her husband to a sudden illness three years ago. Her daughter got married, and they continued living together as a trio. She was grateful that her daughters lived with her. However, she had developed the bad habit of spying on her daughter's nighttime activities to comfort herself. In fact, Megumi only knew sex with her husband and had a bland sex life. For Megumi, who only knew the marital act, her daughter's sex life was quite shocking. One day, while having drinks with her son-in-law, she was pushed down when he said, 'You've always been watching, haven't you?' and they crossed the line. Falling into the pleasure she had never known before...
