Do I really belong here?

Ever since the day she was born, Tsukina "Sookie" has had a demon locked inside her, ready to reel it's ugly head at any moment. She always considered it a curse, and more than once, people she considered her friends had tried to get rid of this demon. But when her homeland's in danger, how can she use this 'curse' to her advantage and save the thing she treasures most?