How many movies have Keigo Oyamada and Koichiro Tsujikawa collaborated on?

They have worked on 2 movies together! Their first movie together was Cornelius - Sensurround (2008) while their highest rated movie together was Tokyo 2020 Olympic Opening Ceremony: United by Emotion (2021). They have not worked together since Tokyo 2020 Olympic Opening Ceremony: United by Emotion (2021).