How many movies have Kazuki Yao and Manabu Tamura collaborated on?

They have worked on 2 movies together! Their first movie together was Kaiji: Ultimate Survivor (2007) while their highest rated movie together was Berserk: The Golden Age Arc I - The Egg of the King (2012). They have not worked together since Berserk: The Golden Age Arc I - The Egg of the King (2012).