How many movies have Ichiro Nagai and Koji Yada acted in together?

They have worked on 5 movies together! Their first movie together was The Legend of Marine Snow (1980) while their highest rated movie together was The Fantastic Adventures of Unico (1981). They have not worked together since ビックリマン 無縁ゾーンの秘宝 (1988). They are most known for their animation films together.