How many movies have Minako Kotobuki and Tomoyuki Niho collaborated on?

They have worked on 3 movies together! Their first movie together was Berserk: The Golden Age Arc II - The Battle for Doldrey (2012) while their highest rated movie together was Berserk: The Golden Age Arc III - The Advent (2013). They have not worked together since Lu Over the Wall (2017). They are most known for their adventure films together.