An has amber eyes and long, waist-length black hair with blue tips, worn loose with little star accessories. She takes out her earrings and star accessories during school. Her voice is strong and radiant. An's outfit consists of a tucked-in black shirt, white shorts with neon green accents and two black straps on each side hooked to the front and back, and a teal-and-white oversized jacket which has the word "HEADS" printed on its left sleeve and neon green accented strings.