A couple wants to have sex, but the husband is busy and it's difficult. After the husband goes to work, the father-in-law suddenly comes to visit. Eavesdropping on the couple's conversation, the father-in-law suddenly shows off his dick and asks, "Are you having sex? Shall I be your partner?!" AIKA hates her father-in-law, so she angrily refuses and kicks him out of the house. However, she can't forget her father-in-law's big dick and masturbates while thinking about it. Tomorrow, on her day off, Shou will be there to please her! She believes so... Free trial points available for the first time!