How many movies have Hiroyuki Horiuchi and Yukimaro Ohtsubo collaborated on?

They have worked on 4 movies together! Their first movie together was Naruto Shippuden the Movie: The Will of Fire (2009) and was their highest rated movie together. They have not worked together since Detective Conan: Quarter of Silence (2011). They are most known for their action films together.

Detective Conan: Quarter of Silence (2011)

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Animation Director
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Key Animation
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Key Animation

Naruto Shippuden the Movie: The Lost Tower (2010)

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Supervising Animation Director
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Animation Director
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Key Animation

Detective Conan: The Lost Ship in the Sky (2010)

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Animation Director
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Key Animation
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Key Animation

Naruto Shippuden the Movie: The Will of Fire (2009)

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Supervising Animation Director
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Key Animation