How many movies have Hiroshi Onogi and Unsho Ishizuka collaborated on?

They have worked on 5 movies together! Their first movie together was Genesis of Aquarion: Wings of Genesis (2007) while their highest rated movie together was Code Geass: Akito the Exiled 3: The Brightness Falls (2015). 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.