How many movies have Aizuki Hikaru and Sumiki Sayato acted in together?

They have worked on 6 movies together! Their first movie together was Oath of the Midnight Sun - Gustav III: A Battle by a Proud King (2015) while their highest rated movie together was Castle of the White Heron / Outsiders in the Renaissance (2018). They have not worked together since Castle of the White Heron / Outsiders in the Renaissance (2018).