How many movies have Eisuke Sasai and Yûko Itô acted in together?

They have worked on 4 movies together! Their first movie together was Fantasma: The Cursed Mansion Vol.1 (2004) while their highest rated movie together was Eko Eko Azarak: R-Page (2006). They have not worked together since Eko Eko Azarak: R-Page (2006). They are most known for their horror films together.