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
foreign gembittersweetgut punch
Miss Granny
foreign gemcozytender
Hello Ghost
foreign gembittersweetcozy
Sunny
foreign gembittersweetslow burn
My Annoying Brother
foreign gembittersweetcozy
I Can Speak
foreign gembittersweettender
Inseparable Bros
foreign gembittersweetoutsider
MAL·MO·E: The Secret Mission
foreign gembittersweetcerebral
Cheer Up, Mr. Lee
foreign gembittersweetplayful
What a Wonderful Family! 3
foreign gembittersweetcozy
How to Steal a Dog
foreign gemcozyplayful
Pawn
foreign gembittersweettender