How many movies have Kazuyuki Matsubara and Yoko Hikasa collaborated on?

They have worked on 3 movies together! Their first movie together was Code Geass: Akito the Exiled 1: The Wyvern Arrives (2012) while their highest rated movie together was Pretty Guardian Sailor Moon Cosmos the Movie Part 1 (2023). They have not worked together since Pretty Guardian Sailor Moon Cosmos the Movie Part 1 (2023). They are most known for their animation films together.