This is a hard movie to rate stars for. If it weren't fun, I would flunk it on account of some cringy scenes and the lack of horror. It's not all that scary, but more of a dark comedy. If you're like me and you would watch just about any vampire movie out there, then definitely don't skip this one!
I was surprised, it was actually funny! And it just had a certain charm. The two main characters both do a very good job and are a key part of what makes the script and thus the movie work. It has some cliché tropes, but mainly as a frame for the funny dialogues and it has some small twists to make up for it.
I like the sense of humor, but if you don't like comedy vamps (e.g. "what we do in the shadows") then this movie might not be for you.
It is original and did a very good job with the low budget I expect it had.