How many movies have Shotaro Ishinomori and Yū Kamio collaborated on?

They have worked on 4 movies together! Their first movie together was Kamen Rider × Kamen Rider OOO & W Featuring Skull: Movie Wars Core (2010) while their highest rated movie together was Kamen Rider Amazons The Movie: The Final Judgment (2018). They have not worked together since Kamen Rider Amazons The Movie: The Final Judgment (2018). They are most known for their science fiction films together.