What happens when a students enemy and teacher becomes his tutor and then becomes his legal guardian?! Bad things? Maybe. Luhan is a senior in high school. His dream is to get into Seoul University to escape his bad past and start a new life. With As in every subject, the University would accept him without any hesitation. Except one problem..He is failing chemistry. Out of all his subjects, chemistry is his weakness. Luhan has no other choice but to speak to his professor about his grade- a stubborn, solemn man:Oh Sehun. The tyrant of all teachers. Luhans worst enemy. Luhans fiery attitude and Sehuns stubborn personality clash every time they are in class. It seems that Professor Oh cannot stand Luhans naive demeanor- but is there more to the mysterious man?  What happens when one event turns Luhans world upside down?  Main Characters- Luhan:58"17 years oldSenior in high school Introverted- or so it seemsBook worm Study-oholic Naive  Oh Sehun: 63" 24 years old Chemistry professor in high school Stubborn and easily irritated Possessive of his things Pessimistic  Has many secrets   Side Characters:Kris Wu- 62"18 years old Senior in high school Luhans best friend  Extremely caring but seems cold Protective of Luhan  Foreword"You are going to be tutored, its the only way." As if nothing happened he tucked his hands into his pockets. "Wait, huh?! No way!""You said you would do anything, and this is my solution. Take it or fail my class." With a whirl of a white lab coat, I was left alone. Stupid professor Oh.