How many movies have Ayana Taketatsu and Shigeru Nishiyama collaborated on?

They have worked on 6 movies together! Their first movie together was Sword Art Online: Extra Edition (2013) while their highest rated movie together was Tamayura: Graduation Photo Part 3 - Akogare (2015). They have not worked together since Sword Art Online: The Movie – Ordinal Scale (2017). They are most known for their animation films together.