How many movies have Hironobu Kageyama and Rie Nakai collaborated on?

They have worked on 1 movie together! Their first movie together was Kamen Rider Ex-Aid Trilogy: Another Ending - Kamen Rider Para-DX with Poppy (2018) and was their highest rated movie together. They have not worked together since Kamen Rider Ex-Aid Trilogy: Another Ending - Kamen Rider Para-DX with Poppy (2018).