How many movies have Hironori Tanaka and Tomonori Ochikoshi collaborated on?

They have worked on 4 movies together! Their first movie together was Welcome to the Space Show (2010) while their highest rated movie together was Sword Art Online: The Movie – Ordinal Scale (2017). They have not worked together since The Seven Deadly Sins: Prisoners of the Sky (2018). They are most known for their animation films together.