How many movies have Rihito Itagaki and So Okuno acted in together?

They have worked on 2 movies together! Their first movie together was Kamen Rider Zi-O: Special Event (2019) while their highest rated movie together was Kamen Rider Zi-O NEXT TIME: Geiz, Majesty (2020). They have not worked together since Kamen Rider Zi-O NEXT TIME: Geiz, Majesty (2020).