Kiho lives with her daughter and son-in-law, doing her best to ensure they live happily together. However, it pains her to see her daughter's behavior toward her husband becoming increasingly harsh day by day. Today, when her son-in-law slightly praised Kiho's home cooking, her daughter became moody, creating an awkward atmosphere. Late at night, Kiho heads to the kitchen and finds her son-in-law sitting there with a depressed look on his face. Upon talking to him, she learns he has a worry deeper than just the cooking. Though reluctant to speak, he finally opens up about the sexless marriage with her daughter. Determined, Kiho says, "I'm sorry about my daughter. Just for today, just this once, I'll help you get off," and begins to rub and lick his crotch. A few days later, Kiho asks her daughter if she plans to have children, but the question is skillfully dodged. The son-in-law, unable to forget Kiho's body, seeks her out even while his wife is present. Kiho tries to refuse, saying that time was just a special exception, but he silences her with a kiss and begins to fondle her body. Despite her resistance, her body begins to react, lightly staining her underwear. As she is teased by her son-in-law, her body opens up, and just as she thinks he is about to insert himself, her daughter calls for him. Kiho is relieved, but then realizes she is left unsatisfied and aching...
