How many movies have Kinoko Nasu and Toru Iwazawa collaborated on?

They have worked on 2 movies together! Their first movie together was Fate/stay night: Heaven's Feel II. Lost Butterfly (2019) and was their highest rated movie together. They have not worked together since Fate/Grand Order the Movie: Divine Realm Of The Round Table: Camelot Paladin; Agateram (2021).