I ended up living with my father-in-law, who was living alone after my mother-in-law passed away. My husband, who works for a foreign company, was busy, so I spent more and more time alone with my father-in-law. Then, on a summer day that was hotter than usual, that incident occurred. My father-in-law, who had always been supportive, suddenly attacked me. From that day on, he began to desire me almost every day. This continued for a year, two years, and before I knew it, I was feeling pleasure from having sex with my father-in-law, and before I knew it, this twisted relationship had continued for four years...