How many movies have Keiji Miyano and Shunsuke Kubozuka collaborated on?

They have worked on 1 movie together! Their first movie together was Furyō shōnen 3, 000-ri no sō-ban (atama) (2012) and was their highest rated movie together. They have not worked together since Furyō shōnen 3, 000-ri no sō-ban (atama) (2012).