How many movies have Kotono Mitsuishi and Souichi Masui 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 Evangelion: 2.0 You Can (Not) Advance (2009). They have not worked together since Crayon Shin-chan: Invoke a Storm! Me and the Space Princess (2012). They are most known for their animation films together.