How many movies have Himena Irei and Hiyori Katada acted in together?

They have worked on 2 movies together! Their first movie together was 18 Years Old, Spinning Together (2023) while their highest rated movie together was If My Favorite Pop Idol Made It to the Budokan, I Would Die: The Movie (2023). They have not worked together since If My Favorite Pop Idol Made It to the Budokan, I Would Die: The Movie (2023).