How many movies have Hirokazu Miura and Takeshi Seyama collaborated on?

They have worked on 1 movie together! Their first movie together was Gintama: The Movie 2: The Final Chapter: Be Forever Yorozuya (2013) and was their highest rated movie together. They have not worked together since Gintama: The Movie 2: The Final Chapter: Be Forever Yorozuya (2013).