Kira's twin sister, who lives in Burlington City. She was with Kira at the mecha workshop for a meeting about the ceremonial armor for the Imperial mechs to be used in the princes' return ceremony, but they ended up fleeing through the chaos caused by the Anti-Union Army's attack.

Sumomo, who went on a rampage during the Anti-Union Army's attack, ran around the city, and even caught a civilian named Bow in the crossfire.

Kira and Kagali boarded the Jesta-class mecha. Their synchronized piloting allows them to maximize its performance.