They had been trying to have a child but were unsuccessful, and upon examination, it turned out that their daughter was infertile. A sad reality for the seemingly perfect couple. After much deliberation, the couple reached a conclusion. One night, the couple looked solemnly at their mother, Iroha. In her hands was the infertility diagnosis. Taken aback by the sudden news, Minao listened as her daughter said, Please have my child, Mother. Not wanting to see her beloved daughter's sad face, Minao could only nod in agreement. A few days later, they determined Minao's fertile window and finally reached that day. Under her daughter's watchful gaze, she performed the act with her son-in-law. Both were tense, but the son-in-law's semen was successfully released inside Minao. And a few months later, it had successfully implanted, and a child was growing steadily within Minao. As the child grew, Minao's feminine instincts began to awaken again...
