Wielding a light-up sword through the dark corners of a high school, a nurse with an unusual gift protects students from monsters only she can see.
- Year: 2020
- Country: South Korea
- Genre: Sci-Fi & Fantasy, Drama
- Studio: Netflix
- Keyword: high school, based on novel or book, exorcism, teacher, school, ghost, school nurse, jelly, south korea, creatures
- Director: Lee Kyoung-mi, Chung Se-rang
- Cast: Jung Yu-mi, Nam Joo-hyuk, Hyun Woo-seok, Park Hae-eun, Kwon Ji-woo, Park Se-jin