How many movies have Ai Kayano and Yoshinori Hasegawa collaborated on?

They have worked on 4 movies together! Their first movie together was Is It Wrong to Try to Pick Up Girls in a Dungeon?: Arrow of the Orion (2019) and was their highest rated movie together. They have not worked together since Girls und Panzer das Finale: Part III (2021). They are most known for their comedy films together.