Her Warrior Alpha by Serena Dawson

They’d die for each other. But with the battle that lies ahead, it could be sooner than they think…

Harper Henry knew that graduating from The Academy would be difficult, but now the battle to defend their school has become personal with the shock reappearance of her dead mother. The once powerful witch appears alive and well, and stronger than ever. She’s also fighting for the enemy.
Roarke Mitchell knows a thing or two about betrayal after his father disowned him, and he’ll do anything to protect the beautiful young witch he’s given his heart to. But when his own mother arrives on campus seeking answers, it’s hard to know who they can trust.
With The Academy in lockdown, traitors in their midst, and the frightening extent of their enemy’s evil finally revealed, Harper and Roarke will have to fight for their lives. And if they’re unable to face painful memories from their past, they may never live to see the future…