How many movies have Atsuko Otani and Sachiko Sugino collaborated on?

They have worked on 11 movies together! Their first movie together was Kiki's Delivery Service (1989) while their highest rated movie together was Princess Mononoke (1997). They have not worked together since The Wonderland (2019). They are most known for their animation films together.

The Wonderland (2019)

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Key Animation
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Key Animation

Mary and The Witch's Flower (2017)

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Key Animation
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Key Animation

The Wind Rises (2013)

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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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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

My Neighbors the Yamadas (1999)

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Key Animation
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Key Animation

Princess Mononoke (1997)

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Animation
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Key Animation

Porco Rosso (1992)

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Key Animation
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Key Animation

Only Yesterday (1991)

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Key Animation
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Key Animation

Kiki's Delivery Service (1989)

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Key Animation
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Key Animation