A Blood Pledge is a movie about a group of four high school girls who make a blood pact promising to always be friends. However, as mysterious and sinister events begin to occur, the girls find themselves questioning each other's loyalty and their own sanity. The pact soon turns deadly as they are haunted by a vengeful ghost and secrets from the past are revealed. Friendships are tested, and the girls must confront the dark consequences of their blood pledge.

After being appointed as the vice-principal of her alma mater, Eun-hee becomes plagued by hallucinations. Branded a troublemaker by the teachers, Ha-young hears strange sounds coming from the school's dilapidated restroom.

Whispering Corridors is a dark and chilling thriller set in a South Korean school, where a series of murders and paranormal events occur. The story follows a group of schoolgirls who uncover a dark past and seek revenge against a malevolent force.

Voice is a 2005 horror movie about a music teacher who starts hearing voices after a traumatic event. As she tries to uncover the mystery behind the voices, she discovers dark secrets and becomes a target of a ghost.

Wishing Stairs is a supernatural horror film that takes place in a girls' school. The story revolves around a group of ballet dancers who become involved in a deadly paranormal curse. Jealousy, rivalry, and the desire for success lead to tragic consequences as the characters face their darkest fears.

Memento Mori is a drama, horror, and romance movie released in 1999. It tells the story of a high school student who discovers a diary belonging to a girl who committed suicide. As she reads the diary, she becomes entangled in a world of paranormal experiences, telepathy, and secrets. The movie explores themes of friendship, homophobia, bullying, and teenage angst.