MYSTERY (Night Has Come)

The popular but quite and observant boy who prefers to mainly keep himself. He's in second grade third class at Yooil High School.

What will happened when him and his classmates go on a school trip that quickly escalates into a battle for their lives in a deadly game of mafia.

What will happened when his classmates begin to turn on one another in an effort to survive? Will Jungwoo be able to get through the nights unseated?

Lee Yoon Seo X Male OC.