"Teacher, if I do well on that essay test, let me touch your breasts." On the first snowy winter of the new year, Joo Ji-soo, a delinquent repeat student, gets rejected from all the universities she applied to. She was excited about going to a lesbian bar and having fun with big-breasted girls as soon as she finished her entrance exams, but she has no choice but to return home because of her overbearing mother. And then she meets the new private tutor her mother has hired. As soon as she sees the pretty teacher with big breasts, Ji-soo falls in love at first sight, and she expresses her feelings in her own way by whining and embarrassing the teacher...