After my husband took over his father-in-law's company, my wife and I ended up living together with my father-in-law, who was single, at my husband's parents' home. - My father-in-law happily accepted us and we were living a happy life as a family of three, but at the same time, I was at the peak of my dissatisfaction with my husband's indifferent nightly activities since the beginning of our marriage. - Then, one day, her father-in-law, who was supposed to be out having a casual and brief affair with her husband, spied on her. - My father-in-law probably saw me not being satisfied and approached me...