The Haruna family, a daughter-in-law, husband, and father-in-law, live together in harmony.However, she was troubled by her inability to conceive a child, and 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.Her daughter-in-law, who initially intended to start her business, gradually became absorbed in sex with her father-in-law.She had promised to end her relationship when she had a baby, and when she found out she was pregnant, their relationship ended.However, after giving birth, the two finally couldn't stand it anymore and resumed mating.