How many movies have Hitomi Takashima and Minoru Kawasaki collaborated on?

They have worked on 4 movies together! Their first movie together was Executive Koala (2006) while their highest rated movie together was The World Sinks Except Japan (2006). They have not worked together since Ton demo horror series Oh! There is no toilet in this house! (2007). They are most known for their comedy films together.