How many movies have Yoshito Usui and Yumiko Kobayashi collaborated on?

They have worked on 4 movies together! Their first movie together was Crayon Shin-chan: Honeymoon Hurricane ~The Lost Hiroshi~ (2019) while their highest rated movie together was Crayon Shinchan the Movie: Our Dinosaur Diary (2024). They have not worked together since Crayon Shinchan the Movie: Our Dinosaur Diary (2024). They are most known for their animation films together.