How many movies have Koji Yamamoto and Shizuo Kurahashi collaborated on?

They have worked on 5 movies together! Their first movie together was UN-GO episode:0 INGA-RON (2011) while their highest rated movie together was anohana: The Flower We Saw That Day - The Movie (2013). They have not worked together since Drifting Home (2022). They are most known for their animation films together.