Without any hope Katherine Shiver summons two demons who help her revenging her family in exchange for her soul. The demons named Sebastian and Ciel do everything she says but she feels like they are keeping a secret from her. On her way searching for revenge she finds out who the two demons really are, who she is and...
You are the rebirth of a vampire. You have the heart of a pureblood but your body and soul are human. In your dream, a voice told you to look for a certain "man" and make him happy, but you don't know who that person is and where you can find him. Will you find him?
They were force to make a bond. But they do love each other. This story is going to be a little bit different then the anime.