Master of Mosquiton '99

Master of Mosquiton '99 follows the story of Inaho, a Catholic schoolgirl who inadvertently kills a vampire named Mosquiton, only for him to be resurrected when her blood comes into contact with his remains. Mosquiton then becomes her slave and history teacher, joining forces with Yuuki and Honou for various adventures. Inaho hopes to find the O-Part, a fabled artifact rumored to grant wealth, and her journey with Mosquiton forms an unlikely yet eventful partnership.