Nightmare Teacher (2016)

Original title: 악몽선생

TV Series · 16 min/ep · Directed by Hyun Moon-seop · TMDB 7.7/10 (33 votes)

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.