How many movies have Mika Kikuchi and Tsutomu Mizushima collaborated on?

They have worked on 4 movies together! Their first movie together was xxxHOLiC The Movie: A Midsummer Night's Dream (2005) while their highest rated movie together was Girls und Panzer der Film (2015). They have not worked together since Girls und Panzer das Finale: Part II (2019). They are most known for their comedy films together.