Generally appears to be a very stoic person. He acts mature and sometimes blunt to the point of rudeness, but he is actually fairly softhearted. has a tendency to get attached to others easily, and hates to see people get hurt, especially his close friends. is 21 years old and has a team in the Devil hunting agency, he is the leader over Power and Denji who are half devils, they all live together, Aki fights with a sword, He's a smoker, Aki hates Devils and Half Devils. Aki is a dominate person