How many movies have C.W. Winter and Kaoru Iwahana collaborated on?

They have worked on 1 movie together! Their first movie together was The Works and Days (of Tayoko Shiojiri in the Shiotani Basin) (2022) and was their highest rated movie together. They have not worked together since The Works and Days (of Tayoko Shiojiri in the Shiotani Basin) (2022).