How many movies have Shinobu Yoshioka and Yuka Koshi collaborated on?

They have worked on 1 movie together! Their first movie together was The Anthem of the Heart (2015) and was their highest rated movie together. They have not worked together since The Anthem of the Heart (2015).

The Anthem of the Heart (2015)

Crew
Second Unit Director
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Key Animation
Crew
Key Animation