How many movies have Keiichiro Murata and Masakazu Oka collaborated on?

They have worked on 4 movies together! Their first movie together was Yamazaki Ichimon ~ Nihon Touitsu: The Movie (or "The Y-Team") (2022) and was their highest rated movie together. They have not worked together since Unification of Japan Gaiden: Kawatani Family - Jiro the Outlaw Assassin (2024). They are most known for their crime films together.