Creepy maniac

The lord of Groovington a good looking handsome man and all.... but should a book be judged through it's appearance?? Sirius Donovan is a cruel vampire who could stoop as to kill a whole bunch of family to satisfy his taste, he was evil. He meets young Katherine when he was in a hurry to go on his midnight appointment. He had saved her from some group of men who were after her. Katherine was naive when she offered her hand for him to drink from. He had smelled it, the smell was alluring and addicting. Could he be the killer of the girl who had considered him a savior. Nightmare calls, he was her first Nightmare. This is a twisted love story of Katherine and the lord.