How many movies have Sumi Shimamoto and Yosuke Akimoto acted in together?

They have worked on 4 movies together! Their first movie together was Go! Anpanman: Baikinman's Counterattack (1990) and was their highest rated movie together. They have not worked together since Detective Conan: Episode One - The Great Detective Turned Small (2016). They are most known for their animation films together.