District A Division D is the hottest and most dangerous part of the TDHO. In Tokyo,Japan a gateway between earth and hell has opened up,sin serving as a bridge through which demons cross into the world. The most dangerous demon lord,Akuma Yokai has been released after being sealed for eighteen years.Semi-level 2 demon hunter, Hikari Agawa,the light bearer and her team of demon hunters have to find a way to properly put an end to Akuma.