From Shadow and Mist #1

When the evil king of the light fairies Oberon catches Tessa for stealing powerful gemstones, he demands a cruel punishment: the girl must leave her past behind, become his bride, and bear an heir. Tessa manages to escape, but it’s... too early to celebrate: being captive to Oberon is not the worst fate... A girl fleeing from one king is already awaited by another, a more lethal ruler - the King of Mist, who has trapped the people. He offers her a deal: kill the fairy king, and then the captives will be free. The mists surrounding the kingdom are ruthless and dangerous, yet alluring... Just like the king. While Tessa struggles with her feelings, she must make a choice. Her dagger can kill only one fairy. King Oberon or King of Mist? Who will Tessa choose?