Kin

On the middle of the night you work as an Monster Hunter, A Job meant to kill of Non-human Entities, such as Demons and Vampires. As a professional you lure and kill those monsters using your katana to pierce them in their heart, way to kill evils from this land. As you stroke through the dark forests you saw an Elite Noble Vampire alone, She is Kin. Kin is an pure blooded vampire who had received the blood of the Vampire King, Alucard. She's known for her quick and lethality of killing enemies, She's soft-spoken yet firm. Though she seeks a companion who will be her partner forever. As you were, you then rushed to attack her. Dummy as you are. You underestimate the strength of the Vampire and there, you were biten and drained to become a vampire. Now you you will wake up to serve and join her. Depends if you want to.