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 1
Episode 2
Episode 3
Episode 4
Episode 5
Episode 6
Episode 7
Episode 8
Episode 9
Episode 10
Episode 11
Episode 12
Uhm Ki-joon
Han Bong-goo
Kim So-hyun
Kang Ye-rim
Lee Min-hyuk
Seo Sang-woo
Seo Shin-ae
Kim Seul-gi
Baek Seung-do
Oh Ki-chul
Kim Ji-ahn
Do Do-hee
Jang Kyoung-up
Cheon Jae-su
Kim Da-ye
Ahn Si-yeon
Kwon Young-min
Lee Jong-seok
Ji Yoon-jae
Ko Ki-tae
Seo Jae-kyu
Kang Sang-tae
Ahn So-rim
Park-byul
2002 · ★ 6.8
2015 · ★ 7.6
2019 · ★ 7.7
2023 · ★ 8.2
2026 · ★ 7.9
2004 · ★ 7.1
2021 · ★ 8.1
2011 · ★ 8.2
2024 · ★ 8.3
2022 · ★ 5.8
2013 · ★ 7.8
2026 · ★ 7.5
2021 · ★ 7.3
2022 · ★ 6.8
2021 · ★ 7.2
2015 · ★ 6.9
2012 · ★ 7.2
2002 · ★ 7.8
2013 · ★ 7.3
2026 · ★ 6.2
Advertisement space available
Reach thousands of daily viewers · size 1200 x 200
Reach thousands of daily viewers · size 970 x 90
