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 (2023). They have not worked together since Pretty Guardian Sailor Moon Cosmos The Movie (2023). They are most known for their animation films together.