Nightmare Teacher
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.
- Genre: Mystery, Drama
- Studio: NAVER TV
- Keyword: time travel, investigation, supernatural, high school, teacher, school, spirit, mysterious, school bullying
- Cast: Uhm Ki-joon, Kim So-hyun, Lee Min-hyuk, Seo Shin-ae, Baek Seung-do, Kim Ji-ahn