Koharu has been married for five years, but has struggled to conceive. When the couple underwent infertility testing, it was discovered that her husband had male infertility. They tried fertility treatments but to no avail... It was heartbreaking to see her husband so depressed... Then she discovered an online service that would inseminate her in complete secrecy. The service only accepts members with high IQs and superior genes, and even matches blood types...