Hyo-joo
Hae-young
Jae-ha
Pyo Sang-woo
Jae-ha's father
Lee Jong-chan
vice-principal
head teacher
Lesson teacher
Chairman
Yoo Jong-Ki
7.097
/2017
7.1
/2011
7.3
/2017
6.586
/2004
6.592
/2006
6.972
/2023
7.398
/2018
8.712
/1994
8.457
/2014
7.9
/2016
8.469
/1994
7.843
/2019
7.673
/1975
7.565
/2022
7.3
/2016
8.158
/1997
8.423
/2001
7.258
/2015
8.499
/2019
8.205
/1977
