How many movies have Naoki Kobayashi and Yuki Igarashi collaborated on?

They have worked on 2 movies together! Their first movie together was The Wonderland (2019) while their highest rated movie together was The Deer King (2021). They have not worked together since The Deer King (2021).

The Deer King (2021)

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Key Animation
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Key Animation

The Wonderland (2019)

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Key Animation
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Key Animation
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Animation Director