How many movies have Kumiko Taniguchi and Noriko Onishi collaborated on?

They have worked on 3 movies together! Their first movie together was Fullmetal Alchemist the Movie: The Sacred Star of Milos (2011) while their highest rated movie together was Blue Exorcist: The Movie (2012). They have not worked together since City Hunter: Shinjuku Private Eyes (2019). They are most known for their action films together.