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.
2007
2008
2006
2017
2023
1973
2022
2018
1993
2015
1977
2009
1998
2025
2010
1996
