How many movies have Atsushi Okuda and Eiji Abiko collaborated on?

They have worked on 5 movies together! Their first movie together was Steamboy (2004) while their highest rated movie together was Armored Trooper VOTOMS: Pailsen Files The Movie (2009). They have not worked together since Code Geass: Akito the Exiled 5: To Beloved Ones (2016). They are most known for their animation films together.