Grabbed By the Guard by Sarah Spade

Help! I’ve been abducted by a… demon?
As if the weekend wasn’t enough of a disaster already, right on the heels of discovering how my boyfriend really feels about my best friend, I walk into our apartment—and straight into a trap.
Is it a surprise that I initially think that was meant for her, too? That when I get grabbed and pulled through a portal by a massive demon with horns, he mistook me for Sierra?
Only… he didn’t. And when he stuns me by speaking English, he explains that his name is Glaine, and he’s my fated mate.
Do I believe him? Of course not. Demon or human, after what happened with Trevor, I was ready to swear men off for good. Besides, he might be sure that I’m his, but how does he know?
And how am I supposed to get back to New York?
I’m determined not to fall for the grumpy demon, especially when my first escape attempt lands me in the dungeons, with Glaine as my cellmate. We’re chained together, even after he breaks us out of there, and all I want to do is get away from him… which would be a lot easier if he wasn’t dedicated to proving that I’m the mate for him—and he’s the guy for me.