Hibiya Schicksal feels her heart being dragged away by one "different" senior, Kreisler Avacchi, resulting it to be crushed by his stone cold words. Feeling confused to why it seems that he despises her to the core she observes him and gaining new friends along the way and later finds out that he wasn't human, nor was her she. Strangely, Hibiya finds herself being recruited by a strange corporation. She meets the cold "man" again at the HQ of the BloodHunts; the secret team that hunts down monsters who dare try to disturb the peace of the world. Will Hibiya overcome the pressure of the truths that will come toppling down on her? Or will she fall by the hands of the man she loved?