How many movies have Kyoko Niimura and Mayumi Nakamura collaborated on?

They have worked on 5 movies together! Their first movie together was Tamagotchi: Happiest Story in the Universe! (2008) and was their highest rated movie together. They have not worked together since Pokémon the Movie: Diancie and the Cocoon of Destruction (2014). They are most known for their animation films together.

Pokémon the Movie: Diancie and the Cocoon of Destruction (2014)

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Animation Director
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Key Animation
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Key Animation

Pokémon the Movie: Kyurem vs. the Sword of Justice (2012)

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Key Animation
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Key Animation

Detective Conan: Quarter of Silence (2011)

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Key Animation
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Key Animation

Doraemon: The New Record of Nobita's Spaceblazer (2009)

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Key Animation
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Key Animation

Tamagotchi: Happiest Story in the Universe! (2008)

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Key Animation
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Key Animation