How many movies have Mutsuhiro Nishimura and Tsukasa Kotobuki collaborated on?

They have worked on 7 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 III - Dawn of Rebellion (2016). They have not worked together since City Hunter: Shinjuku Private Eyes (2019). They are most known for their action films together.