How many movies have Atsushi Takeuchi and Koji Tanaka collaborated on?

They have worked on 7 movies together! Their first movie together was Eden of the East Movie II: Paradise Lost (2010) while their highest rated movie together was A Letter to Momo (2012). 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.