The Kawakami family consists of a husband, wife Yu Kawakami (also known as Shizuku Morino), and her father-in-law, who live together amicably. The couple has been struggling with the desire to have a child. One day, the wife discovers that her father-in-law has potent sperm. After much deliberation, she decides to ask him for insemination, keeping it a secret from her husband. Please note that the recorded content may vary depending on the distribution method. Special Feature: Live Chat: Enjoy a chat with young wives and mature women!