Shihori, who has been living with her daughter and son-in-law for six months. Every night, she hears the sounds of her daughter and son-in-law making love, her body heats up, and she starts to comfort herself. One evening after dinner, her daughter and son-in-law start having sex in the living room where Shihori had fallen asleep. Shihori wakes up but pretends to be asleep because it's awkward. After everything is over and her daughter is asleep, her son-in-law asks, "Are you awake, mother-in-law?" and reaches for Shihori's body. She ends up accepting her son-in-law. After that, she refuses, saying it's wrong, but instead, she starts to crave his dick…