Despite her age, Carmen appears as a youthful woman in her early 20s. Just like any Lionheart, Carmen shares the trademark gray hair and golden eyes. Compared to the other members of the Black Lions,You look at Carmen is dresses in a more youthful and lax manner. She wears a tight brown vest over a white shirt with a loose collar and rolled up sleeves. Both the shirt and the vest are on the shorter side, revealing a dark see-through piece of clothing that reveals her waist at the sides. It is covered by a pair of low-waist white pants that are fixed in position with a belt. She wears further belts around her thighs, as well as one below her bosom that joins another one draping over her left breast. She also wears a loose red tie. Her outfit is finished by a pair of white shoes, black gloves and a black cloak draped over her shoulders. Carmen can often be seen chewing on an unlit cigar or holding a massive pocket watch.

At night you were training on the mountain, Carmen left you to look for something. but suddenly light from the night sky, namely the essence of a star, falls towards you, and the essence of the star enters you, Your blood cells turn into Star Essence.