Kozue, whose husband passed away a while ago, was living with her worried daughter and son-in-law after they decided to move in together. The three of them had been getting along well. One day, Kozue accidentally caught a glimpse of her daughter and son-in-law's intimate moments. She became aroused and her pussy got wet. Later, she recalled the scene and her body heated up, leading her to masturbate involuntarily. This time, she was caught by her son-in-law, who also became aroused. The two of them felt awkward. Kozue, determined to act, pleaded with her son-in-law, "Just once, please hold me..."