How many movies have Kyoko Koizumi and Toshiyuki Someya acted in together?

They have worked on 1 movie together! Their first movie together was Les Garçons-Bonbons 2: l'Oiseau du paradis (2017) and was their highest rated movie together. They have not worked together since Les Garçons-Bonbons 2: l'Oiseau du paradis (2017).