How many movies have Hirofumi Masuda and Kouichi Arai collaborated on?

They have worked on 15 movies together! Their first movie together was Steamboy (2004) while their highest rated movie together was Evangelion: 3.0+1.0 Thrice Upon a Time (2021). They have not worked together since Totto-chan: The Little Girl at the Window (2023). They are most known for their animation films together.

Totto-chan: The Little Girl at the Window (2023)

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Key Animation
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Key Animation

Evangelion: 3.0+1.0 Thrice Upon a Time (2021)

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Key Animation
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Animation Director
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Key Animation

Boruto: Naruto the Movie (2015)

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Prop Designer
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Key Animation
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Key Animation
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Animation Director

The Last: Naruto the Movie (2014)

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Layout Supervisor
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Storyboard Artist
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Prop Designer
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Key Animation
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Key Animation
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Animation Director
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Layout

Giovanni's Island (2014)

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Key Animation
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Key Animation

Short Peace (2013)

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Key Animation
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Key Animation

Rainbow Fireflies (2012)

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Key Animation
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Key Animation

Towa no Quon 6: Eternal Quon (2011)

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Key Animation
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Key Animation

Legend of the Millennium Dragon (2011)

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Key Animation
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Key Animation

Naruto Shippuden the Movie: Bonds (2008)

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Animation Director
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Key Animation
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Key Animation

Sword of the Stranger (2007)

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Key Animation
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Key Animation

Naruto the Movie: Legend of the Stone of Gelel (2005)

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Key Animation
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Storyboard Artist
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Key Animation

Inuyasha the Movie 4: Fire on the Mystic Island (2004)

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Key Animation
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Key Animation

Naruto the Movie: Ninja Clash in the Land of Snow (2004)

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Key Animation
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Key Animation

Steamboy (2004)

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Key Animation
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Key Animation