Nao, a married woman in the third year of her marriage, has recently been feeling troubled by her cold husband. Apparently her husband seems to be cheating, and Nao has chosen a job that she can't tell anyone about because of her instincts and loneliness. If you only want to meet one person a month, you have to go, and the deadline is 19:00, with various restrictions, you will be introduced to a man named Oki and will go to the hotel. When Oki wonders why he started working, Nao tells him that she wants to be free, and slowly takes off her clothes …