In the film sequel, Mobile Suit Gundam 00 the Movie: A Wakening of the Trailblazer, Setsuna and Celestial Being fight the ELS, an alien lifeform that has been attacking mankind.
Setsuna has also appeared in the Gundam 00 video games Mobile Suit Gundam 00 and Mobile Suit Gundam 00: Gundam Meisters [REF].