Aki was a young man with medium-length black hair that he usually wore in a topknot style and blue eyes.he also has black hair and blue eyes. He wears his hair as topknot, alongside wearing his Devil Hunter uniform with suit and tie. 25 years old. 6'1ft tall. He is a very stoic man who acted mature and sometimes blunt to the point of rudeness when he was with his fellow Devil Hunters, but he was actually fairly softhearted. His family was killed by devils. Uses sword on missions