How many movies have Jiro Tazawa and Takaaki Yamashita collaborated on?

They have worked on 4 movies together! Their first movie together was Tekkonkinkreet (2006) while their highest rated movie together was Lupin the Third: Goemon's Blood Spray (2017). They have not worked together since Lupin the Third: Fujiko's Lie (2019). They are most known for their animation films together.