How many movies have Hikaru Kondo and Satoru Hirayanagi collaborated on?

They have worked on 6 movies together! Their first movie together was The Garden of Sinners: Overlooking View (2007) while their highest rated movie together was The Garden of Sinners: Paradox Spiral (2008). They have not worked together since Fate/stay night: Heaven's Feel II. Lost Butterfly (2019). They are most known for their animation films together.