How many movies have Toa Yukinari and Toshiyuki Kubooka collaborated on?

They have worked on 3 movies together! Their first movie together was Berserk: The Golden Age Arc I - The Egg of the King (2012) while their highest rated movie together was Berserk: The Golden Age Arc III - The Advent (2013). They have not worked together since Berserk: The Golden Age Arc III - The Advent (2013).