Mated to the Chaos by Georgette St. Clair

Carlo has been lost for quite some time, but the past might hold the key to his future.
It’s the quiet ones you have to worry about …

Carlo Moretti was a broken wolf for so long, he could barely remember the sun. He’d once been an instrument of betrayal, a path of destruction, until he found his way out. No, not exactly. Until a voice in the darkness gave him peace.
Trust is hard, though, and he doesn’t know if he has any left.

She is the past reborn …
He wants to claim her, to have her, but the very essence of his being is what he hates more than anything. Magic destroyed him, twisted him until he no longer believed in himself. To have her is to put his faith in Mages.
To forget the torture he suffered.
But Fate will not let him run from the past …
Carlo must rise to who he was meant to be, no matter how much he wants to fight it. She will give him a crown he never thought he would wear.

Come, come, King of History. It is time to take your place.