How many movies have Kazuko Nakayama and Kazunori Ozawa collaborated on?

They have worked on 2 movies together! Their first movie together was Eiga Drive Head: Tomika Hyper Rescue – Kidō Kyūkyū Keisatsu (2018) while their highest rated movie together was Black Clover: Sword of the Wizard King (2023). They have not worked together since Black Clover: Sword of the Wizard King (2023).