How many movies have Ichiro Okouchi and Mariya Ise collaborated on?

They have worked on 8 movies together! Their first movie together was Code Geass: Akito the Exiled 1: The Wyvern Arrives (2012) while their highest rated movie together was Kabaneri of the Iron Fortress: Light That Gathers (2016). They have not worked together since Kabaneri of the Iron Fortress: The Battle of Unato (2019). They are most known for their action films together.