He was in his forties but divorced because he and his wife were not compatible. Because he is afraid of love, he often solves the mystery by going to a hotel to hang out with girls. He came to the hotel as usual and this time was served by a new employee, Sayaka. When he looked at her, he immediately realized that this was his old student. It's unbelievable that a girl who studied well in the past now has to do this job. That night he helped her climax ten times, both of them immersed in pleasure.