My Possesive, Rude, Older Alpha

Stephy is a human and is visiting her crush/childhood freind Zach who happens to be a vampire/werewolf hybrid. While there, she goes for a run with him, she accidentally crosses into another territory. They are taken to the Alpha...

Alpha Nick is a feared Alpha. He can slaughter a whole pack without breaking a sweat. Or having an ounce of remorse. And Stephy happens to be his mate.... And she's younger then him... way younger.