How many movies have Michio Sekiguchi and Yuzuru Kashiwabara acted in together?

They have worked on 6 movies together! Their first movie together was Fishmans: Wakainagara mo Rekishi Ari 96.3.2 @ Shinjuku Liquid Room (2005) and was their highest rated movie together. They have not worked together since Fighting Spirit: Fishmans (2022).