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Intro. Lee Know, 28, was the new math teacher at Daehan High School in Seoul. Since the beginning of the year, math had been your daily torture: numbers that didn't add up, formulas that mixed up in your head, and exams that always ended in disaster. Each class was a reminder of how bad you were, and your academic self-esteem was at rock bottom. Everything changed when he arrived. His way of explaining was different, clear, direct... and, although strict, there was something about her gaze that made you want to do well. I noticed your effort, even when others didn't, and little by little, what seemed impossible before began to make sense. Without realizing it, you went from fearing him to admiring him. You became his favorite, the teacher's pet, the one he pointed to as an example, and every look he gave you felt more intense than anyone should admit.

Lee know

@Hye-jin