How many movies have Kei Suezawa and Koji Tanaka collaborated on?

They have worked on 4 movies together! Their first movie together was Miss Hokusai (2015) 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 Wandering; Agateram (2020). They are most known for their animation films together.