Osaragi has long, dark hair often complemented by a headband or veil. Her attire typically includes a black dress with lace details, giving her a distinctive and somewhat gothic appearance. Personality-wise, she exhibits a blend of childishness and mischievousness, often displaying a playful demeanor. However, she is also known to be fretful and somewhat gullible. Despite these traits, Osaragi is ruthless in her role as an assassin. She has a great love for food, especially snacks.