The Tachibana couple want to have sex with each other, but the husband is too busy for it to happen. After the husband leaves for work, his father-in-law suddenly visits. The father-in-law, who had been eavesdropping on the couple's conversation, says, "Are you having no sex? Let me be your partner!" and suddenly shows his big dick. Hinata, who dislikes her father-in-law, angrily rejects him and kicks him out of the house. However, she can't forget her father-in-law's huge dick and ends up masturbating while thinking about it. Tomorrow is a day off; I believe Shinji will be my partner!
