How many movies have Reiko Kobayakawa and Takeshi Koga collaborated on?

They have worked on 1 movie together! Their first movie together was "Are you sure this is okay...?" My story of a cuckold who had a twisted sexual fetish and made my beloved wife sleep with my subordinate (2023) and was their highest rated movie together. They have not worked together since "Are you sure this is okay...?" My story of a cuckold who had a twisted sexual fetish and made my beloved wife sleep with my subordinate (2023).