Whispering Corridors - Watch Order: Release Order
The Whispering Corridors series represents an influential collection in Korean horror cinema, using the setting of all-girls high schools as a backdrop for exploring both supernatural terror and Korea's rigid educational system. Each film is a standalone story with different characters, ghosts, and narratives - they are connected only by their shared themes of institutional pressure, female friendship, trauma, and social critique.
The series is renowned for blending psychological drama with supernatural horror, often featuring queer subtexts and always critiquing authority figures and societal expectations. Despite being numbered as sequels, each entry can be watched independently - the "sequel" designation reflects thematic continuity rather than narrative connections.

Memento Mori
The ghost of a lesbian high-school girl takes revenge on the people who used to bully her. And another young girl finds her old diary detailing her love and rejection when she was alive.

Wishing Stairs
A staircase leading to a schoolgirls' dormitory usually has 28 steps, but sometimes a 29th step appears. Any wish you make while standing on this step comes true, even if it must come true in the most horrific way possible.

Voice
While practicing after hours in her high school, an aspiring singer is mysteriously killed and her body vanishes. Her invisible ghost is trapped in the school, but her best friend is able to hear her voice.

A Blood Pledge
Four friends pledge to commit suicide together but while standing on the ledge, only one of them actually jumps. Her ghost begins to haunt the remaining friends until the pledge is fulfilled.

Whispering Corridors 6: The Humming
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.
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