How many movies have Hatsue Koizumi and Tomonori Ochikoshi collaborated on?

They have worked on 3 movies together! Their first movie together was Blue Exorcist: The Movie (2012) while their highest rated movie together was Saint☆Young Men (2013). They have not worked together since anohana: The Flower We Saw That Day - The Movie (2013). They are most known for their animation films together.