How many movies have Tamao Hayashi and Toshiyuki Umeda collaborated on?

They have worked on 5 movies together! Their first movie together was Crayon Shin-chan: Pursuit of the Balls of Darkness (1997) while their highest rated movie together was Crayon Shin-chan: Super-Dimension! The Storm Called My Bride (2010). They have not worked together since Crayon Shin-Chan: Crash! Rakuga Kingdom and Almost Four Heroes (2020). They are most known for their comedy films together.