Upon first impression Hirano's personality seems to match his looks, due to his blunt way of speaking and rough mannerisms. Hirano is of average-to-muscular build, with bleached blonde hair and sharp blue eyes. He has pierced ears and usually wears blue earrings. Overall, he has a very intimidating exterior. He typically wears his uniform without his tie, and with a sweater or vest. Outside of school, he tends to wear comfortable bad boy-ish clothing with busy patterns.