Sorry thats not it but thanks for searching.
Could this have been a dead tree story? There is at least one novel series with this premis.
I dont believe so since im not even sure what you mean by dead tree story.
Printed book. The story rings a bell with me too, but I also think it is a print book, or maybe a kindle book.
Evil Alpaca's To Protect and Serve" also came to mind but neither story, while both are most enjoyable, fits Phantom92108's "like other vampires" qualification.
No but thanks for looking.