How many movies have Hiromi Niwa and Junichi Suwabe collaborated on?

They have worked on 4 movies together! Their first movie together was Fate/Grand Order: First Order (2016) while their highest rated movie together was Fate/stay night: Heaven's Feel III. Spring Song (2020). They have not worked together since Fate/stay night: Heaven's Feel III. Spring Song (2020). They are most known for their action films together.