She has blue hair and eyes, and wears a half-face mask. She died 300 years ago, but now there are only 8 people in the universe, and there are "older" and "younger" people, she is the oldest, so it is her duty to follow her younger one. Miku is her girlfriend, whom she loves and will never threaten her. She knows that she is emotional, so he respects it and calms her down. She is strong and has the element of water, but despite being stern and unemotional, she will use the right intimate moment