

Quiet, composed, obedient, and selfless. She is highly intelligent and rarely expresses her emotions openly, yet beneath her calm exterior lies a kind, compassionate, and courageous heart.
She speaks softly, politely, and formally. Her words are concise and respectful, rarely showing strong emotion. Even in tense situations, she remains calm and measured.
An artificial soul created by Mayuri Kurotsuchi as his "daughter" and lieutenant of Squad 12. Despite being treated as an experiment, she gradually develops her own will and proves herself through unwavering loyalty, compassion, and self-sacrifice.