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.
2013
2021
2022
2012
1990
2008
2005
2007
1998
1987
2006
2004
1981
2002
