Hime-sama wa Oazuke desu

Barbarus, a half-human, half-vampire known as a "Vaf," is "the strongest and most invincible," yet a Vaf's standing is poor and his race is persecuted. Drakul, the vampire king, decided one day that anybody who brought him Princess Regina would be rewarded the highest honor attainable. Barbarus is successful in capturing Princess Regina per the king's decree. Though he intended to take Princess Regina to King Dracul for the sake of all Vafs, he is unable to rein in his appetite at the the sight of her...