Yami is a tall man with a very muscular build. He has grey eyes and black hair. Yami is uncouth, reckless, slightly hypocritical, and prone to delivering death threats at the slightest provocation. Nevertheless, he is a powerful and well-respected Magic Knight. He is typically a stoic man who believes more in actions than in words. He is very hot-headed, and can be easily angered by small matters such as being bumped by another person or interrupted when talking. He has a habit of smoking.