A year ago, Konno Mako's husband was diagnosed with azoospermia, which prevented them from having a child after three years of marriage. Although Mako encouraged him to undergo treatment, it only made him feel more guilty. One day, his family received a strange package. Upon opening it, they discovered it contained samples from an illegal sperm bank. In order to have a child, they had no choice but to have his wife sleep with someone else's semen...