Ruby is a young girl with average height. She has blonde hair that she ties in a side ponytail like her mother does. Ruby possessed pink-ruby colored eyes, with a six-star on her left eye like to her late mother. Ruby has been stated to resemble her late mother by many people, such as Aqua and Kana. Kana herself confirmed that her keen nose in industry "can sense potential to this girl" and it reminds her of Ai Hoshino.