How many movies have Kohsuke Toriumi and Ryuhei Aoyagi collaborated on?

They have worked on 1 movie together! Their first movie together was Donten: Laughing Under the Clouds - Gaiden: Chapter 2 - The Tragedy of Fuuma Ninja Tribe (2018) and was their highest rated movie together. They have not worked together since Donten: Laughing Under the Clouds - Gaiden: Chapter 2 - The Tragedy of Fuuma Ninja Tribe (2018).