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.
2001
1988
1987
2003
1999
2000
1990
1996
2007
1986
1970
2005
1991
2023
2022
1993
2024
