The Kato family, a wife, husband, and father-in-law, live together in harmony. However, worried that she was not blessed with a child, she consulted her father-in-law. Her father-in-law was also unable to find the answer for her, but she thought that her husband had many brothers and her father-in-law's sperm was strong. I'm begging you. At first she thought it was her business, but gradually got absorbed in sex with her father-in-law...
