Nightmare Teacher
On NAVER TV
A supernatural mystery centered on a cryptic teacher whose presence unravels dark secrets within a high school, blending time travel and spirit mythology with investigation and dread.
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.
Clusters
Questions people ask
Is Nightmare Teacher scary? Yes, very. More frightening than 93% of series.
Is Nightmare Teacher sad? Yes. More sad than 79% of series.
Is Nightmare Teacher easy watching? Barely. Less comforting than 75% of series.
Does Nightmare Teacher leave you hopeful? Not especially. Less hopeful than 73% of series.
Is Nightmare Teacher violent? About average. Almost exactly mid-range.
These describe how the series comes across across its whole run, compared with other well-known series. They are not a content list — nothing here was counted or checked episode by episode, so for age-suitability or specific content use a classification board or a dedicated content-warning service.
Cinnamon Score
How much this series gives you that nothing else will, and whether it delivers.
Familiar shape, done well.
How unlike any other series this one feels
How much more it delivers than it promises
How much audiences actually like it
Ensemble
Like Nightmare Teacher
Nearest across the full emotional profile.
Same Mood as Nightmare Teacher
Nearest on what's most distinctive about this one.
Like Nightmare Teacher, But Darker
Similar, pushed toward heavier and more intense.
Like Nightmare Teacher, But Lighter
Similar, pushed toward warmer and easier.
Like Nightmare Teacher, But Less Popular
Same territory, far fewer people have seen it.
