How many movies have Kaori Oda and Keiko collaborated on?

They have worked on 4 movies together! Their first movie together was FictionJunction ~Yuki Kajiura LIVE vol.#4 PART II~ Everlasting Songs Tour 2009 (2009) and was their highest rated movie together. They have not worked together since Princess Principal THE LIVE Yuki Kajiura×Void_Chords (2020). They are most known for their music films together.