How many movies have Koichi Yamadera and Takumi Arai collaborated on?

They have worked on 3 movies together! Their first movie together was Sword Art Online: The Movie – Ordinal Scale (2017) while their highest rated movie together was Dragon Ball Super: Broly (2018). They have not worked together since City Hunter: Shinjuku Private Eyes (2019). They are most known for their action films together.