Des:The Kobayakawa family lives happily with their wife, husband, and father-in-law. However, she was troubled by the difficulty of having children and consulted her father-in-law. Her father-in-law also couldnt find an answer for her, but she thought that her husband had many brothers and her father-in-laws sperm was stronger, so her daughter-in-law asked her father-in-law to inseminate her. I end up asking for it. Her daughter-in-law initially intended to start her business, but gradually became absorbed in sex with her father-in-law. She had promised to end their relationship when she had a baby, and once they found out she was pregnant, their relationship ended. However, after giving birth, the two could no longer hold back and resumed mating again...