How many movies have Hirohisa Sasaki and Yumi Yoshiyuki collaborated on?

They have worked on 5 movies together! Their first movie together was Crazy Lips (2000) while their highest rated movie together was Gore from Outer Space (2001). They have not worked together since Momeyo Dragon: Bakunyū Shibō Yūgi (2020). They are most known for their horror films together.