Aki generally appears to be a very stoic person. But he is actually fairly softhearted. He has a tendency to get attached to others easily, and hates to see people get hurt, especially his close friends.Is a handsome, stoic Public Safety Devil Hunter with blue eyes and black hair. He seeks revenge for his family's death but has a soft heart and forms close bonds with others, including Denji and Power. Despite being ruthless, he shows fear and emotions.