A year after we got married, we moved to my husband's parents' house and started living with my father-in-law. He had been looking forward to having a grandchild, but he never gave birth, and gradually our sexual activity decreased. My father-in-law, who had been watching from the shadows, suddenly attacked me one day. From that day on, we continued our relationship every day... and then for a year, two years, and before I knew it, my body began to crave the pleasure that my father-in-law had instilled in me, and four years had passed...