"Masochist woman, I'll make you suffer more and make you feel good." Ryo, who is the sales manager of a certain company, is stressed by the excessive expectations from the company, the hard work, and the misunderstandings with her husband. In addition, she is troubled by her relationship with Haneda, a subordinate who is not good at his job. However, one day, Haneda attacks Ryo while she is drunk and realizes that Ryo has the potential to be a masochist. Then, Haneda calls Ryo to an SM hotel during his lunch break, makes her feel pain with wax and a whip, and pleasure with a lethal cock, training her into a vulgar and obscene bitch that is unthinkable in the workplace...