How many movies have Hideo Katsumata and Takenori Tsukuma collaborated on?

They have worked on 3 movies together! Their first movie together was Rurouni Kenshin: New Kyoto Arc: Cage of Flames (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 action films together.