How many movies have Koji Endo and Taizo Shiina collaborated on?

They have worked on 1 movie together! Their first movie together was 劇場版カードファイト!! ヴァンガード 3つのゲーム (2014) and was their highest rated movie together. They have not worked together since 劇場版カードファイト!! ヴァンガード 3つのゲーム (2014).