Bonded to the Fallen Shadow King by Jen L. Grey — book slip

Taken from Earth and thrust into a ruthless bridal competition in a fae realm, the protagonist must fight for a crown she doesn't want in order to survive.

Vad, the dark and powerful heir of the Shadow Fae Kingdom, is reluctantly searching for a bride. Bound by fated magic, they are trapped in a deadly game where every cold glance and harsh word from Vad reminds her of their mutual disdain.

Despite this, undeniable sparks fly between them, igniting a passion she can't control. As the contest grows more dangerous, survival becomes her only focus, but she won't go out without a fight.

First in the Of Fae and Wolf Trilogy.