How many movies have Kaoru Shimamura and Yoshito Usui collaborated on?

They have worked on 3 movies together! Their first movie together was Crayon Shin-chan: Pursuit of the Balls of Darkness (1997) and was their highest rated movie together. They have not worked together since Crayon Shin-chan: Invoke a Storm! The Singing Buttocks Bomb (2007). They are most known for their comedy films together.