How many movies have Satoshi Shigeta and Shigeki Iwasaki collaborated on?

They have worked on 2 movies together! Their first movie together was King of Thorn (2010) and was their highest rated movie together. They have not worked together since Seven Days War (2019).

Seven Days War (2019)

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Animation Director
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Key Animation
Crew
Key Animation

King of Thorn (2010)

Crew
Key Animation
Crew
Key Animation