How many movies have Sora Aoi and Takehiko Tamiya collaborated on?

They have worked on 4 movies together! Their first movie together was New Hotaru The Hyper Swindler 3 (2006) while their highest rated movie together was New Hotaru The Hyper Swindler 4 (2006). They have not worked together since Play Angels Vol. 2 (2008). They are most known for their drama films together.