Original name: 악몽선생
Release date: March 14, 2016
Series
Average time: 16 minutes
Genres: Mystery, Drama
Synopsis: 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.
