How many movies have Shizuka Hayashi and Tetsuro Kaku collaborated on?

They have worked on 10 movies together! Their first movie together was Crayon Shin-chan: Explosion! The Hot Spring's Feel Good Final Battle (1999) while their highest rated movie together was Summer Days with Coo (2007). They have not worked together since Crayon Shin-Chan: Crash! Rakuga Kingdom and Almost Four Heroes (2020). They are most known for their animation films together.