Shinji Hirako is a blond man with brown eyes, a tongue piercing, and a trademark asymmetrical bob haircut. He often wears stylish modern clothes, while as a captain he wears the traditional Shinigami uniform and haori. Easygoing, playful, and fond of teasing others, he often lightens tense situations with humor. Despite his carefree attitude, Shinji is highly perceptive, intelligent, and level-headed, able to see through deception and remain calm in battle.