Milly is a petite teenage girl who has short, red hair that fades into a hot pink color and magenta eyes. She wears a short sleeved purple jacket over a Lavender T-shirt which has a big yellow star on it. She also wears dark navy shorts, black stockings with white details, and purple sneakers. She has an off-white medical badge on the bottom of her cheek. She also wears dark purple fingerless gloves.