Hannah was a Skarlet, her blood was the sweetest, as well as temporarily strengthening anyone who fed on it. She did not even know it, nor did she know that there were vampire monsters on earth. She only discovered it when one of them found her, forcing her to feed him and his group indefinitely.

She had already said goodbye to really living as a normal person, but in the midst of the abuses he endured, she fell in love with the only human who ever lived there in the midst of vampires. He, who until then was as cold as those of his "family", began to have the ice that enveloped his heart melted gradually by the girl who had always been lonely and sad, just as he ...