How many movies have Seiichi Shirato and Takaya Hashi collaborated on?

They have worked on 4 movies together! Their first movie together was Lupin the Third: Goemon's Blood Spray (2017) while their highest rated movie together was Princess Principal Crown Handler: Chapter 3 (2023). They have not worked together since Princess Principal Crown Handler: Chapter 3 (2023). They are most known for their drama films together.