How many movies have Koyanagi Naoko and Madoka Hoshikaze collaborated on?

They have worked on 3 movies together! Their first movie together was Red River / Citrus Breeze -Sunrise- (2018) and was their highest rated movie together. They have not worked together since 鴛鴦歌合戦（おしどりうたがっせん）／GRAND MIRAGE! (2023).