Seen everything by Takashi Koizumi?
If you've already watched everything Takashi Koizumi directed, here are 12 films from other directors that share the orbit of Letter from the Mountain — the catalog's mood-cluster and similarity-graph neighbours, filtered to exclude Takashi Koizumi's own filmography. Where to go next. (Also: Takashi Koizumi's full filmography · where to start with Takashi Koizumi.)
Yearning
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Humanity and Paper Balloons
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Ken
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Bamboo Doll of Echizen
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Hero of the Red Light District
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The Eagle of the Pacific
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Foundry Town
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The Izu Dancer
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His Motorbike, Her Island
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Haru
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