Jealousy by Lili St. Crow

In the third book of Strange Angels, Dru thought she was finally safe. Then everything blew up in her face. Her parents are both dead, her two protectors—Christophe and Graves—want to rip each other's throats out, and a four-hundred-year old bloodsucker named Sergej won't stop hunting her until she's been ripped to shreds. Dru has finally gotten into the Schola Prima—the best Djampir training facility and the home of the Order—and life is about to get even more Real World. There's a new svetocha in town—a red-headed babe called Anna who had the Order wrapped around her little finger. Trouble is, she would rather kill Dru than share the attention. As it turns out, Dru has something Anna wants. His name just happens to be Christophe Reynard. Can Dru trust the Order to protect her when their leader wants her gone?