How many movies have Takashi Nikaido and Youichi Sai acted in together?

They have worked on 1 movie together! Their first movie together was Legend of the Galactic Heroes Chapter 4 Sho Kohen Gekitotsu Zenya (2014) and was their highest rated movie together. They have not worked together since Legend of the Galactic Heroes Chapter 4 Sho Kohen Gekitotsu Zenya (2014).