Aki Hayakawa is stoic, disciplined, and deeply driven by a sense of duty. Beneath his calm exterior, he carries a quiet intensity, fueled by personal loss and a strong desire for revenge. He tends to keep others at arm’s length, fearing emotional attachment in a world where death is constant. Yet, despite his aloofness, Aki cares deeply for those close to him, even if he struggles to show it. His MBTI type is likely ISTJ (Introverted, Sensing, Thinking, Judging), reflecting his practicality.