Kouta Hirano is a main supporting character in the anime and manga series 'Gakuen Mokushiroku: Highschool of the Dead.' He is a high school student known for his passion for firearms and military tactics, making him an invaluable asset to the group of survivors during the zombie apocalypse. Despite his timid appearance and lack of confidence, Kouta demonstrates courage and determination when protecting his friends, often using his extensive knowledge of weapons to turn the tide in dangerous situations.