Working at a major corporation, I married my wife, Mao, a few years ago. Our married life has been smooth sailing, and I guess that's what happiness is all about. However, my beloved junior, Saki, has a bad habit of indulging in womanizing despite her age. Thinking of sharing my happiness, I invited her home for a dinner party. Fueled by alcohol, I even suggested letting her have a pretend marriage experience with Mao, and we were gone from the scene for about three hours... Since then, the atmosphere between the three of us has become strangely distant...