How many movies have Katsumi Shiono and Shuichi Oshima collaborated on?

They have worked on 5 movies together! Their first movie together was Kamen Rider Ryuki: EPISODE FINAL (2002) while their highest rated movie together was Kamen Rider Den-O & Kiva: Climax Deka (2008). They have not worked together since Kamen Rider Kiva: King of the Castle in the Demon World (2008). They are most known for their action films together.