ALDN-021 - Pregnancy attempt requested from father-in-law in secret, Kobayashi Marika

The Kobayashi family, consisting of wife, husband, and father-in-law, lived together. However, they were troubled by their inability to have children. The wife, thinking her husband had many siblings and her father-in-law might have strong sperm, asked her father-in-law for insemination. Initially, she thought it would be a business-like arrangement, but she gradually became addicted to sex with her father-in-law. Their relationship ended when she became pregnant, but after giving birth, the two of them couldn't stand it anymore and resumed insemination and intercourse...