How many movies have Michiko Neya and Romi Park acted in together?

They have worked on 5 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 Hetalia: Axis Powers: Paint It, White! (2010). They are most known for their animation films together.