Five years have passed since Suzume married her kind husband and was enjoying a happy married life, but she couldn't get pregnant because of her husband. One day, her husband, who desperately wanted a son, suggested receiving sperm donation, and she agreed because it was for her husband's sake. And then, she ends up having sex with her husband's old friend for the sake of having a child. At first she was nervous, but as she continued the act many times…