How many movies have Kousuke Okano and Ryotaro Okiayu acted in together?

They have worked on 1 movie together! Their first movie together was Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck! (2011) and was their highest rated movie together. They have not worked together since Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck! (2011).