How many movies have Shizuka Hayashi and Yoshito Usui collaborated on?

They have worked on 18 movies together! Their first movie together was Crayon Shin-chan: Action Mask vs. Leotard Devil (1993) 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 Shinchan the Movie: The Tornado Legend of Ninja Mononoke (2022). They are most known for their animation films together.