Guardian Dragon by Juniper Hart

Protecting Briar is part of Alec’s destiny, but he didn’t expect to uncover her dark family secret.
Briar Baker has spent her entire life trying to do what is right, but fate has other things in store for her. Briar can’t seem to escape the darkness that has followed her from early childhood.
It doesn’t help matters that her brother, Colton, is silently working against her. His latest heist against the wrong beings is about to blow up in Briar’s oblivious face.
Alec Petlier has always been renowned for his level-headed nature. After an unexpected robbery, Alec is ready to let the Council of Seven deal with the repercussions. However, his demon councilmate, Raven, won’t let it go until she gets her revenge.
What Alec could have never anticipated is that his role is about to change from hunter to protector.