How many movies have Kanon Suzuhara and Ryō Matsumoto collaborated on?

They have worked on 4 movies together! Their first movie together was Psychic Yuranbon 16: Puppet Flower (2021) while their highest rated movie together was Psychic Yuranbon 17: Cicada Sign (2021). They have not worked together since Psychic Yuranbon 19: The Phantom Documents of Death (2022). They are most known for their horror films together.