How many movies have Mamiko Nakanishi and Seiji Masuda collaborated on?

They have worked on 3 movies together! Their first movie together was Fullmetal Alchemist the Movie: Conqueror of Shamballa (2005) while their highest rated movie together was Dokidoki! Pretty Cure the Movie: Memories for the Future (2013). They have not worked together since Dokidoki! Pretty Cure the Movie: Memories for the Future (2013). They are most known for their action films together.