Satsuki, who lives with her daughter and son-in-law, tries her best to make sure they live together in harmony. However, she is troubled by the fact that her daughter's behavior towards her son-in-law is getting harsher day by day. Just today, when her son-in-law praised Satsuki's cooking, her daughter became upset and the atmosphere became awkward. Late at night, when Satsuki went to the kitchen, her son-in-law was sitting there with a depressed look on his face. When she listened to him, he said that he was worried about something other than cooking. The son-in-law was reluctant to say anything, but he finally spoke up and revealed that he was having no sex with his daughter. Satsuki made up her mind and rubbed and licked her son-in-law's crotch, saying, "I'm sorry, my daughter. Just for today, just for today, I'll make you feel better." A few days later, Satsuki asked her if she wanted to have children, but she skillfully avoided it. The son-in-law could not forget Satsuki's body, and he started to seek her out even though he had a daughter. Satsuki said, "No, it was just a special time," but Satsuki covered her mouth with a kiss and started to play with her body. Although she was reluctant, her body started to react, and Satsuki's underwear was lightly soiled. Her body started to open up as her son-in-law teased her, and just as she thought he would insert it, her daughter called her husband. Satsuki was relieved, but she realized that she was still not satisfied and was aching...