How many movies have Michiko Neya and Tetsu Shiratori acted in together?

They have worked on 4 movies together! Their first movie together was Fullmetal Alchemist the Movie: Conqueror of Shamballa (2005) and was their highest rated movie together. They have not worked together since Mobile Suit Gundam 00 The Movie: -A Wakening of the Trailblazer- (2010). They are most known for their animation films together.