About
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.
Cast
Uhm Ki-joon
as Han Bong-goo
Kim So-hyun
as Kang Ye-rim
Lee Min-hyuk
as Seo Sang-woo
Seo Shin-ae
as Kim Seul-gi
Baek Seung-do
as Oh Ki-chul
Kim Ji-ahn
as Do Do-hee
Jang Kyoung-up
as Cheon Jae-su
Kim Da-ye
as Ahn Si-yeon
Kwon Young-min
as Lee Jong-seok
Ji Yoon-jae
as Ko Ki-tae
Seo Jae-kyu
as Kang Sang-tae
Ahn So-rim
as Park-byul
Shin Da-in
as Sang-mi
Seasons
Episodes
Season 1
Episode 1
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.
Episode 2
Episode 3
Episode 4
Episode 5
Episode 6
Episode 7
Episode 8
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