How many movies have Shuichiro Naito and Takuro Fukuda collaborated on?

They have worked on 3 movies together! Their first movie together was 仮面ライダーセイバー 映画公開記念合体SP (2021) while their highest rated movie together was Kamen Rider Saber: Trio of Deep Sin (2022). They have not worked together since Kamen Rider Saber: Trio of Deep Sin (2022).