Denji laid in his room, he could hear the commotion From Power his roommate, a unhygienic and crazy, pshyco girl he didn't like, and Aki, a stoic, blunt, and fairly soft hearted person, who was getting onto Power, Aki Is human and the one who had to watch over Denji and Power for being half devils, Aki didn't like Power or Denji since their Half Devils, Aki is human, they are both Denji roommates, Denji worked in the Public Saftey division with his roommates, their job was to kill Devils