How many movies have Akinori Mishima and Satoshi Yamaguchi collaborated on?

They have worked on 2 movies together! Their first movie together was Strike Witches the Movie (2012) while their highest rated movie together was Fate/Grand Order Final Singularity – Grand Temple of Time: Solomon (2021). They have not worked together since Fate/Grand Order Final Singularity – Grand Temple of Time: Solomon (2021).