How many movies have Eir Aoi and ReoNa collaborated on?

They have worked on 3 movies together! Their first movie together was SACRA MUSIC FES.2019 -NEW GENERATION- (2019) while their highest rated movie together was Animelo Summer Live 2022 -Sparkle- DAY2 (2023). They have not worked together since Animelo Summer Live 2022 -Sparkle- DAY2 (2023).