|Age: unknown, suspected 12|
|Side: Rebel Pirates|
Celia is a young seijin refugee form the Sphere from episode 7, "Mutiny".
The Pirates safe her from the Sphere, and from the Academy. Soon afterwards, Lena discovers that Celia can not speak. Though her Seijin powers, Lena discovers that she is called Celia, and that she is a Seijin as well. Celia's very scared, and jumpy. Lena becomes her teacher on Puerto Angel; helping her to unlock her full powers. Lena slowly wins her trust, and at the end of the episode, Celia learns to speak again. She appears to have a crush on Cheng; calling him "cute" telepathically.