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.
2012
1997
—
2014
2020
2018
2016
2023
2024
2022
2007
2003
2009
2021
