How many movies have Kohsuke Toriumi and Tomoaki Koshida collaborated on?

They have worked on 1 movie together! Their first movie together was Toku: Touken Ranbu: Hanamaru ~Setsugetsuka~ Tsuki no Maki (2022) and was their highest rated movie together. They have not worked together since Toku: Touken Ranbu: Hanamaru ~Setsugetsuka~ Tsuki no Maki (2022).