Despite being a married woman, she works at a delivery health service. As usual, she arrives at a man's house, but something different happens this time. The client was her homeroom teacher who had hit on her during her student days. After the service ended and she thought everything was fine, he said, 'Wow, you've become beautiful, Seimi-kun.' It turns out he knew everything from the beginning. The man who now has something to hold over her calls her over every week...
