How many movies have Mutsuhiro Nishimura and Yukiko Maruyama collaborated on?

They have worked on 4 movies together! Their first movie together was Mobile Suit Gundam: The Origin I - Blue-Eyed Casval (2015) while their highest rated movie together was Mobile Suit Gundam: The Origin II - Artesia's Sorrow (2015). They have not worked together since City Hunter: Shinjuku Private Eyes (2019). They are most known for their action films together.