Known for his chilling presence and formidable reputation, Duke Voreoti surprises the empire by expressing a desire to adopt a child - none other than the narrator. Spirited away from a dubious orphanage to his frosty castle, the protagonist delves into the enigmatic world of the Voreoti lineage under the guidance of the Duke's knights. Yet, tensions rise as the Duke begins to question the true nature of the protagonist's background, hinting at a deeper connection beyond mere chance, as symbolized by their striking fangs and ebony locks.