This is a psychological horror movie, but it has to scare people with things like ghosts.
I think there are usually two reasons for a movie to confuse the audience: 1. The audience doesn't understand it; 2. The movie itself doesn't tell the story clearly. Many people don't understand whether this is all the sister's imagination or both imagination and ghosts. . . This is what the director did not explain. . So the audience didn't understand. . . . .
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