How many movies have Shotaro Ishinomori and Yuki Ikushima collaborated on?

They have worked on 2 movies together! Their first movie together was Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles (2021) while their highest rated movie together was Kamen Rider: Beyond Generations (2021). They have not worked together since Kamen Rider: Beyond Generations (2021).