How many movies have Sakai Sumio and 正塚晴彦 collaborated on?

They have worked on 1 movie together! Their first movie together was バロンの末裔／グランド・ベル・フォリー (1996) and was their highest rated movie together. They have not worked together since バロンの末裔／グランド・ベル・フォリー (1996).