How many movies have Kiyoshi Kobayashi and Yukiko Iijima collaborated on?

They have worked on 3 movies together! Their first movie together was Lupin the Third: Seven Days Rhapsody (2006) while their highest rated movie together was Lupin the Third: Sweet Lost Night (2008). They have not worked together since Lupin the Third: The Last Job (2010). They are most known for their crime films together.