How many movies have Kotobuki Shiriagari and Teru Yasui collaborated on?

They have worked on 2 movies together! Their first movie together was Otakus in Love (2004) while their highest rated movie together was Yaji & Kita: The Midnight Pilgrims (2005). They have not worked together since Yaji & Kita: The Midnight Pilgrims (2005).