A girl with pink hair and pink eyes, she summoned Naoto to Orgos. Known as a Lucavifate, Camu mentioned that her time is short because she is sacrificing her own life to keep Naoto in Orgos. She leads the group Desert Coral. Lusia is Lotus's younger twin sister, who was captured by the Elphis when she was young and later rescued by Lotus. She possesses the ability to control fire.
In volume 3, she confesses her love for Naoto.
Her true name is Coral.