How many movies have Koichi Yamadera and Yusuke Horie collaborated on?

They have worked on 2 movies together! Their first movie together was Pokémon the Movie: Secrets of the Jungle (2020) while their highest rated movie together was Sword Art Online the Movie – Progressive – Aria of a Starless Night (2021). They have not worked together since Sword Art Online the Movie – Progressive – Aria of a Starless Night (2021).