Yoko got dumped at a restaurant without any consideration and out of herself, she masturbates at the restaurant where she was having dinner, that's when she met professor, who kisses and subjugates without merci.
Yoko, who works at a university, is a masochist. Her boyfriend dumps her, so she gets drunk and has sex with an older gentleman. The next day, he tells her, "I want to make you cry myself." He turns out to be a true sadist! She realizes there's no love between them, but she cannot reject him...