How many movies have Hiroshi Kawamata and Takashi Yamada collaborated on?

They have worked on 3 movies together! Their first movie together was Shimajiro and the Song of the Whale (2014) while their highest rated movie together was Shimajiro and the Mother Tree (2015). They have not worked together since Shimajiro in Bookland (2016). They are most known for their adventure films together.