Born with another half, the protagonist isn't your everyday supernatural that you see on television or in movies. She is brought up with tremendous amount of skills like martial arts so that she can defend herself. The problem is, she has anger issues and on top of that, if she gets too angry, her other demon half will take over her body and probably destroy anything in its path until she regains her consciousness and takes control again. Making so that she has to be trained to control her temper and other half. But, can she really do that? What if she doesn't succeed? Well, if she doesn't end up controlling either one, destruction and chaos will devastate the universe.