How many movies have Masami Otsuka and Yuta Tsuchiya collaborated on?

They have worked on 4 movies together! Their first movie together was Crayon Shin-chan: My Moving Story! Cactus Large Attack! (2015) while their highest rated movie together was Doraemon: Nobita's Treasure Island (2018). They have not worked together since Crayon Shin-chan: Honeymoon Hurricane ~The Lost Hiroshi~ (2019). They are most known for their adventure films together.