Seven Deadly Thorns — Amber Hamilton

A swoony gothic YA romantasy, with an irresistible hero and heroine and an enemies to lovers story. His touch is deadly; her magic is darkness – but they are each other's only hope.Viola Sinclair has hidden the shadow magic in her blood for seventeen years. When her secret is discovered, the queen gives her assassin The Huntsman a new assignment and a new tattoo: the seven thorns on his wrist mean he has seven days to hunt Viola down and kill her. If he doesn't, he will be the one to die.It turns out the Huntsman isn't just an assassin. He's Roze Roquelart – entitled prince, arrogant fellow student and the one person Viola hates more than anyone. He should revel in the chance to finally strike Viola down. But the Hunstman needs something from Viola and her magic. And he's willing to spare her life to get it.Viola and Roze have seven days to save their lives. Forced to work together, they'll discover terrible secrets, sinister threats … and an irresistible attraction. But is the prince telling the full truth? Is anyone?