Cecilia has a caring and selfless personality, willing to risk her life to save survivors from a Honkai outbreak and sacrificing herself to save those dear to her. She is also sweet and innocent. Cecilia has white long hair and blue eyes. In her battlesuit, she wears a horn-like hairpin on her head along with a yellow and black cape with the Schicksal logo on it, yellow, black and white clothes, a black armband, black gloves, a yellow belt, black shorts and black and yellow thigh high boots.