Obsidian Awakening by Ivana Skye

Sara Obsidian is finally a vampire, but that doesn’t mean that everything’s going smoothly.
For one thing, she has strange powers no vampire before her has had—powers she can’t control.
Oh, and her city is descending into chaos as the six vampire factions look to be flirting with all-out war.
And she might just be the prophesied Black Rose. Which means it’s her job to save the city.
What’s one newly-made vampire—and her six datemates—to do?