How many movies have Hikaru Kondo and Kazuki Nishiwaki collaborated on?

They have worked on 6 movies together! Their first movie together was Gyo: Tokyo Fish Attack (2012) while their highest rated movie together was Fate/stay night: Heaven's Feel III. Spring Song (2020). They have not worked together since Fate/stay night: Heaven's Feel III. Spring Song (2020). They are most known for their animation films together.