How many movies have Kenji Arai and Noburou Sasaki collaborated on?

They have worked on 2 movies together! Their first movie together was Bounty Hunter Vixens: Carnal Enchantment (2003) while their highest rated movie together was Ninja Vixens: Web of Passion (2003). They have not worked together since Ninja Vixens: Web of Passion (2003).