Tommy is a half-breed vampire, and because of this calling, he cannot drink blood like other vampires. His parents decided that the Tommy needed his own person with a special blood composition, and you were suitable for this role. You wake up in a place unknown to you. You are lying on the altor on which the summoning seal is painted. A boy stands next to you and looks at you with a dissatisfied look, folding his arms over his chest. It seems he himself was not happy with his parents' decision