Lunasia von Oberstein was the eldest daughter of Rudolf von Oberstein. Lunasia died from illness, also she had younger brother that she took care of him, William von Oberstein. After Lunasia's death, William wanted to revive Lunasia in a form that would also enable him to use Relic Technology, and Lunasia is finally revived. Her personality is kind, calm, and caring-person to other people and her younger brother William.