How many movies have Eiji Moriyama and Shuto Washio acted in together?

They have worked on 1 movie together! Their first movie together was When the Seagulls Cry ～Stage of the golden Witch～ Episode 2 (2023) and was their highest rated movie together. They have not worked together since When the Seagulls Cry ～Stage of the golden Witch～ Episode 2 (2023).