How many movies have Michiyo Yanagisawa and Takashi Yanase collaborated on?

They have worked on 10 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 Go! Anpanman: Roboly and the Warming Present (2023). They are most known for their animation films together.