How many movies have Bokuzo Masana and Shunichi Doba collaborated on?

They have worked on 1 movie together! Their first movie together was Keishichō tsuiseki sōsa-gakari -kōsaku- (2023) and was their highest rated movie together. They have not worked together since Keishichō tsuiseki sōsa-gakari -kōsaku- (2023).