A homeroom teacher of Yosan Private High School has an accident, and thus a substitute comes to fill in. Han Bong-Gu is a mysterious man, and after strange occurrences the class president Ye-Rim tries to get to the bottom of this mystery.
2020
2019
1999
2005
2010
2017
2022
1994
2024
2013
2014
2021
2008
