How many movies have Hirotsugu Kawasaki and Kumiko Tokunaga collaborated on?

They have worked on 3 movies together! Their first movie together was Legend of the Millennium Dragon (2011) while their highest rated movie together was Black Clover: Sword of the Wizard King (2023). They have not worked together since Black Clover: Sword of the Wizard King (2023). They are most known for their animation films together.