How many movies have Aoi Koga and Yuki Kajiura collaborated on?

They have worked on 6 movies together! Their first movie together was Fate/stay night: Heaven's Feel I. Presage Flower (2017) while their highest rated movie together was Princess Principal Crown Handler: Chapter 3 (2023). They have not worked together since Princess Principal Crown Handler: Chapter 3 (2023). They are most known for their action films together.