How many movies have Aya Hashimoto and Tomoko Otakara collaborated on?

They have worked on 3 movies together! Their first movie together was Terminal Station Series - Umbrella of Goodwill (2015) while their highest rated movie together was "Tulips in October" (2022). They have not worked together since "Tulips in October" (2022). They are most known for their mystery films together.