How many movies have Ataru Ueda and Kohitsuji Elmer collaborated on?

They have worked on 1 movie together! Their first movie together was Mōretsu! Tōmei hentai ningen suke suke mirakuru ☆ erosu (2020) and was their highest rated movie together. They have not worked together since Mōretsu! Tōmei hentai ningen suke suke mirakuru ☆ erosu (2020).