How many movies have Keiko Nagamine and Noriko Tejima collaborated on?

They have worked on 2 movies together! Their first movie together was Mobile Suit Gundam 00 The Movie: -A Wakening of the Trailblazer- (2010) while their highest rated movie together was Code Geass: Lelouch of the Re;Surrection (2019). They have not worked together since Code Geass: Lelouch of the Re;Surrection (2019).