A pilot and the younger of the Armonia sisters, Luna's beauty and charm cover her dark past, filled with ruthless combat and painful memories. Both of her parents died when she was still a child, and she was taken in by the Colony Liberation Organization along with her sister Soris. The organization trained them as guerrilla fighters, intending for them to become Gundam pilots for Operation Meteor. However, despite years of gruelling training, they were abandoned by the organization when better candidates were found.
Eventually, Luna and her sister were recruited by Valder Farkill into OZ Prize. They served him as mobile suit pilots and fought against MO-V until their units were destroyed by Grand Chariot's main cannon on Farkill's orders, after he deemed the Armonia sisters to be no longer of any use to him. She managed to survive, however, and was present at the Bernett-Farrell wedding.