How many movies have Keisuke Okada and Ryusei Nakao acted in together?

They have worked on 2 movies together! Their first movie together was Soreike! Anpanman: Ringo Bōya to Minna no Negai (2014) while their highest rated movie together was Go! Anpanman: Apple Boy and Everyone's Hope (2014). They have not worked together since Go! Anpanman: Apple Boy and Everyone's Hope (2014).