How many movies have Keiichi Hara and Masaaki Yuasa collaborated on?

They have worked on 7 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: A Storm-invoking Jungle (2000). They have not worked together since Crayon Shin-chan: A Storm-invoking Jungle (2000). They are most known for their animation films together.