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