How many movies have Kinoko Nasu and Mai Kadowaki collaborated on?

They have worked on 4 movies together! Their first movie together was Fate/stay night: Unlimited Blade Works (2010) 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 action films together.