How many movies have Kento Kimura and Tetsuji Sakamaki collaborated on?

They have worked on 2 movies together! Their first movie together was Girls und Panzer das Finale: Part I (2017) while their highest rated movie together was Natsume's Book of Friends: Ephemeral Bond (2018). They have not worked together since Natsume's Book of Friends: Ephemeral Bond (2018).