Seen everything by Choi Sung-hyun?
If you've already watched everything Choi Sung-hyun directed, here are 12 films from other directors that share the orbit of Keys to the Heart — the catalog's mood-cluster and similarity-graph neighbours, filtered to exclude Choi Sung-hyun's own filmography. Where to go next. (Also: Choi Sung-hyun's full filmography · where to start with Choi Sung-hyun.)
Miracle in Cell No. 7
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Miss Granny
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Hello Ghost
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Sunny
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My Annoying Brother
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I Can Speak
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Inseparable Bros
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MAL·MO·E: The Secret Mission
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Cheer Up, Mr. Lee
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What a Wonderful Family! 3
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How to Steal a Dog
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Pawn
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