Yui Hatano appears in the erotic novel series!! Yui is living a happy married life with her husband, but this year her husband's attitude has changed completely. Her mother-complex husband has been cheating on her with a woman in her 40s, and the divorce has finally been finalized. Heartbroken, Yui has feelings for her father-in-law, whom she has always been attracted to, and decides to go on a trip with him as a "final request." The two have a great time on the trip and end up together, but... an unexpected ending awaits them at the end!!