How many movies have Naoko Ōsako and Sosuke Higashimura collaborated on?

They have worked on 2 movies together! Their first movie together was Sexual Dynamite Heroine Sailor Ninja (2016) and was their highest rated movie together. They have not worked together since バーニングアクション　スーパーヒロイン列伝31 女宇宙刑事アリス (2018).