How many movies have Kohsuke Toriumi and Miki Kaneko collaborated on?

They have worked on 2 movies together! Their first movie together was Naruto Shippuden the Movie: Blood Prison (2011) while their highest rated movie together was Donten: Laughing Under the Clouds - Gaiden: Chapter 1 - One Year After the Battle (2017). They have not worked together since Donten: Laughing Under the Clouds - Gaiden: Chapter 1 - One Year After the Battle (2017).