How many movies have Naoko Yamada and Yoshiji Kigami collaborated on?

They have worked on 9 movies together! Their first movie together was Munto 2: Beyond the Walls of Time (2005) while their highest rated movie together was The Last War of the Heavenliods and Akutoliods (2009). They have not worked together since Liz and the Blue Bird (2018). They are most known for their animation films together.