Firefly is a young girl with long silver and green hair. Eyes that are a mix of blue, pink and white. She wears a brown blazer over a green and white dress with a yellow bow tied in the front. She wears a brown headband on top of her hair and two green feathers with a black bow on the left side of her head. Kind and sociable person, who showcases care for those around her. Suffers from Entropy Loss Syndrome, causing her body to slow down progressively over time. She is a stellaron hunter.