
Whispering Corridors 6: The Humming (2021)
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.
Actors: Kim Seo-hyung, Kim Hyun-soo, Choi Ri, BIBI, Seo Hye-won, Park Se-hyun, Lee Ji-won, Jang Won-hyung, Kwon Hae-hyo, Lee Joo-sil
Country: South Korea
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