How many movies have Kazuo Niibori and Tetsu Inada collaborated on?

They have worked on 2 movies together! Their first movie together was Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai (2014) and was their highest rated movie together. They have not worked together since Doubutsu Sentai Zyuohger Returns: Life Theft! Champion of Earth Tournament (2017).