How many movies have Kazuya Nakai and Tsutomu Isobe acted in together?

They have worked on 5 movies together! Their first movie together was Mardock Scramble: The First Compression (2010) while their highest rated movie together was Gintama: The Movie: The Final Chapter: Be Forever Yorozuya (2013). They have not worked together since One Piece: Stampede (2019). They are most known for their animation films together.