How many movies have Koji Kurata and Shuichi Oshima collaborated on?

They have worked on 9 movies together! Their first movie together was Kamen Rider Den-O & Kiva: Climax Deka (2008) and was their highest rated movie together. They have not worked together since Kamen Rider Gotchard: The Future Daybreak (2024). They are most known for their action films together.