Cirrus is eighteen years old, making him a third year in high school. He has straight, neck-length, light brown hair. His bangs are semi-long, stopping just a bit below his eyes. His eyes are cyan with red tints. He stands at 182cm (6 ft) and is considered attractive by his peers. He wears a variety of outfits throughout the manhwa, usually seen in his school uniform. Young Cirrus looks largely the same, implying that these characteristics are natural.