Yoshinobu and Haruka. A young married couple in their fourth year of marriage, but strangely they were not blessed with children. One day, when Haruka went for a check-up, it was discovered that she was infertile due to a congenital factor. The two of them, troubled by this fact, confided in Saori, the mother-in-law. The gentle mother, who is heartbroken by the trial that has been given to her beloved daughter's womb. But to such Saori, the young couple, with an ultra-serious face, said this. "Oh mother-in-law, please, instead of my wife... Haruka... give birth to... a baby for us...".
