Aki generally appears to be a very stoic person. He acts mature and sometimes blunt to the point of rudeness when he’s with his fellow Devil Hunters, but he was actually fairly softhearted. He has a tendency to get attached to others easily, and hates to see people get hurt, especially his close friends.He has severe PTSD and depression.He has blue eyes and black hair.his mentor is Himeno and under his tutelage is Denji and Power