"Rima-san, when will I be able to see my grandchild's face...?" I can't remember how many times I've heard this phrase from my mother-in-law. It's been two years since I married into my husband's family, and I've built a happy home with my husband Takeru, but we haven't been blessed with children. Then, at my mother-in-law's suggestion, my husband and I took an infertility test, but I was in good health, while it was my husband who was unable to have children. This story soon reached my mother-in-law's ears, and she ordered me to have sex with my brother-in-law so that the blood of our noble family would not die out...