Chapter 1: Starting the case

Good courses, good teachers, good pedagogy, the famous university of Yonsei is known for those qualities. Therefore, maybe all of this good things are just hiding the disgusting truth. It's been a year that many students of this university are commiting suicide . When Dae Ko's friend, a Yonsei student, die from a supposedly suicide, she realise that something fishy is happening.
Who killed her ? And why ? This case will not be a piece of cake.