How many movies have Mariko Shimamura and Seren Ogura collaborated on?

They have worked on 2 movies together! Their first movie together was Space Battleship Yamato 2199: Odyssey of the Celestial Ark (2014) while their highest rated movie together was Kaguya-sama: Love Is War -The First Kiss That Never Ends- (2022). They have not worked together since Kaguya-sama: Love Is War -The First Kiss That Never Ends- (2022).