One day, the husband of a salaryman who was working hard for his upcoming promotion went home with his boss Nakata. When I asked him about it, he was going on a business trip to a branch office outside the prefecture from next week, and for some reason, his subordinate's wife, Miho, was sent by Director Nakata to accompany him on that business trip. . Miho was very confused, but she was asked by her husband to evaluate her promotion and she had no choice but to accept. And the boss asked for obscene entertainment at a hot spring inn in the mountains that I visited the next week.