How many movies have Koji Sasaki and Masayuki Yamada collaborated on?

They have worked on 3 movies together! Their first movie together was Engine Sentai Go-Onger: 10 Years Grand Prix (2018) and was their highest rated movie together. They have not worked together since Kikai Sentai Zenkaiger vs. Kiramager vs. Senpaiger (2022). They are most known for their science fiction films together.