Where to watch officially
RentAmazon Video
BuyAmazon Video
Availability data from TMDB / JustWatch. Links open the official provider listing.
Playback is proxied through Wheretoo — seek freely, the player only requests the parts it needs. Subtitles appear automatically when the source ships them.
A sickly girl Ju-ran transfers to a new sanitorium boarding school to regain health. But she discovers that students are disappearing and notices abnormal changes happening to her body. She suspects the school for what's happening and tries to discover what secret is hidden.