How many movies have Shinobu Sasaki and Teiyu Ichiryusai collaborated on?

They have worked on 2 movies together! Their first movie together was Crayon Shinchan the Movie: The Tornado Legend of Ninja Mononoke (2022) 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).