Married woman strong ● conception Riri Kuribayashi

Riri Kuribayashi plays the role of a married woman struggling with infertility issues, as her husband is unable to impregnate her due to his own fertility problems. Her brother-in-law, a biologist, takes matters into his own hands and decides to help his sister-in-law conceive through artificial insemination using his own sperm, leading to a complex situation involving breeding and conception. As the story unfolds, it becomes clear that the central kink revolves around the themes of incest, family relationships, and unconventional methods of conception.