How many movies have Kiyoyuki Yanada and Nao Oikawa acted in together?

They have worked on 5 movies together! Their first movie together was Engine Sentai Go-Onger: Bom Bom! Bom Bom! Net de Bong!! (2008) while their highest rated movie together was Engine Sentai Go-Onger: 10 Years Grand Prix (2018). They have not worked together since Engine Sentai Go-Onger: 10 Years Grand Prix (2018). They are most known for their adventure films together.