Ye Myeongyeogo

The main character, Lee Do-Ah, is admitted to Yemyung Girls' High School, a private school that is rumored to be able to get into the university of her choice as long as she graduates, even though her academic load is murderous. On the first day of admission, Do-Ah receives a strange thing called 'school rules' from her homeroom teacher, and soon realizes that the reason why children drop out of this school is not because of their academic load...

(Source:Naver; translated)