How many movies have Akiko Yajima and Masakazu Hashimoto collaborated on?

They have worked on 4 movies together! Their first movie together was Crayon Shin-chan: Very Tasty! B-class Gourmet Survival!! (2013) and was their highest rated movie together. They have not worked together since Crayon Shin-chan: Burst Serving! Kung Fu Boys ~Ramen Rebellion~ (2018). They are most known for their animation films together.