How many movies have Ayumi Koyanagi and Yuji Ambe collaborated on?

They have worked on 1 movie together! Their first movie together was 姉妹パラダイス 旅行編 小柳歩 西永彩奈 Aircontrol (2017) and was their highest rated movie together. They have not worked together since 姉妹パラダイス 旅行編 小柳歩 西永彩奈 Aircontrol (2017).