How many movies have Kazuki Nakashima and Taiga Sakamoto collaborated on?

They have worked on 1 movie together! Their first movie together was Kamen Rider × Kamen Rider Wizard & Fourze: Movie Wars Ultimatum (2012) and was their highest rated movie together. They have not worked together since Kamen Rider × Kamen Rider Wizard & Fourze: Movie Wars Ultimatum (2012).