"Trust me, if you're just gonna keep maintaining your grades like these, you're not going to get accepted by any University." "Mind you! I'll prove you that I'm gonna graduate with good grades and get accepted to Seoul University!" Kim Hangyeol is an ordinary 18 year old high school student who ranked in the top 30 lowest in overall rankings. With such grades, will she be able to go to University? High School's been killing her, moreover ever since her new homeroom teacher is Mr. Jeon, the strictest teacher she've ever met. Mr. Jeon have been getting onto Hangyeol's nerves ever since. Will she even survive?