The Serpent’s Bride by Kathryn Ann Kingsley

I will disguise myself as the vampire’s bride.
I will win over his family.
And then I will murder every last one of them.

All my life I’ve been training to take revenge on the vampire who killed my parents. But Raziel Nostrom is a prince of the city’s most powerful mafia clan—completely untouchable.
When I learn that Raziel is marrying a woman he’s never seen before, I know my chance has finally come…
I will disguise myself as Raziel’s sacrificial bride. I will gain access to his vicious and beautiful family. And I will murder every last bloodsucking one of them.
Raziel is just as ruthless and deadly as I expected, but I had no idea how magnetic he would be up close, with an intoxicating smile and ruby-red eyes that seem to look right into my soul. There’s a dangerous tension between us that I’m struggling to ignore.
I have to strike fast. Every second I wait brings new danger to my life—and my heart. But as I sharpen my blades and prepare to take my revenge at last, I need to face the truth…
I’m falling in love with Raziel Nostrom.

The first book in a spicy vampire romantasy series perfect for fans of true enemies-to-lovers romance and marriages of convenience tropes.