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.
2021
2013
2019
2014
2009
1992
1993
1999
1977
2002
1987
1974
2000
2006
1971
