How many movies have Haruo Okamoto and Ryo Yukizane collaborated on?

They have worked on 3 movies together! Their first movie together was Atelier Series: Gust Premium Live ~Concert of The Twilight World~ (2013) while their highest rated movie together was Bloody Chainsaw Girl Returns: Giko Awakens (2019). They have not worked together since Bloody Chainsaw Girl Returns: Giko Awakens (2019).