A young, teenage girl and Yū's elder sister. She is the pilot of red Quincy Grand. A brash leader of the Reclaimers she disregards any human emotion and resents Yu for being favored by the Antibodies of Orphan.

Spoiler

But it was to the point that she became confused about Yu's conviction to let Orphan be released from any guilt that her Grand Chère rebelled against her confused state and even Orphan favored her to become the "Girl of Orphan", the chosen embodiment of Orphan's will. But in the end she was rescued by Yu and gave her the understanding of what Orphan wanted to do in the end.