How many movies have Hisaki Furukawa and Koji Tanaka collaborated on?

They have worked on 8 movies together! Their first movie together was Eden of the East Movie I: The King of Eden (2009) while their highest rated movie together was Fate/Grand Order the Movie: Divine Realm of the Round Table: Camelot Wandering; Agateram (2020). They have not worked together since Fate/Grand Order the Movie: Divine Realm Of The Round Table: Camelot Paladin; Agateram (2021). They are most known for their animation films together.