The Fae Warrior by Serena Meadows

Two Fae warriors, a dangerous quest, and a chemistry that could ignite their love, or burn their kingdom to the ground…
Keaton might have blue blood running through his veins, but he’s happier tending his farm than navigating the politics of the royal court. Peace and contentment fill his days, and he longs to find a sweet, supportive wife to start a family of his own.
Rainie has more experience killing men, than dating them. As captain of the imperial guard, she must work hard to make people see past her striking beauty. Of course, there’s always one grunt who refuses to respect her authority, but few are given the chance to make that mistake twice.
When the royal family suffers a terrible betrayal Rainie jumps into action to deliver justice. But the mission ahead is fraught with peril, and the fae king has an impossible request: she must team up with a royal confidant who’s more suited to tending livestock than leading her men. Sparks fly, tension flares, and it soon becomes clear that even in the face of great evil, working together might just be Rainie and Keaton’s greatest challenge of all.