How many movies have Naoyuki Onda and Satoshi Iwataki collaborated on?

They have worked on 2 movies together! Their first movie together was Berserk: The Golden Age Arc II - The Battle for Doldrey (2012) and was their highest rated movie together. They have not worked together since Psycho-Pass: Sinners of the System - Case.3 On the Other Side of Love and Hate (2019).