How many movies have Goro Inagaki and Kouki Ono collaborated on?

They have worked on 3 movies together! Their first movie together was Honto ni Atta Kowai Hanashi: Summer Special 2022 (2022) while their highest rated movie together was ほんとにあった怖い話 夏の特別編2023 (2023). They have not worked together since Honto ni Atta Kowai Hanashi: 25 Shuunen Tokubetsu-hen (2024). They are most known for their thriller films together.