How many movies have Kotaro Maruyama and Miyama Shoya collaborated on?

They have worked on 1 movie together! Their first movie together was Zokuri. Kaidan Yowa Soushuuhen Bijonoro (2019) and was their highest rated movie together. They have not worked together since Zokuri. Kaidan Yowa Soushuuhen Bijonoro (2019).