The Hellhound King by Lori Devoti

Their love was foretold a century before, but will they be able to overcome an entire world against them to fulfill their destiny?
Hellhound Raf Dolg spent years imprisoned by elf princess Marina Adal. Now he is free and he has one thing on his mind: revenge.
Elf princess Marina Adal has spent her life living a lie, pretending to be the perfect Royal. She wants nothing more than to live her life in peace as an unknown mortal. But Raf, her uncle, and an anti-Royal group are all hunting her, determined to use her once again for their own gains.

Raf’s plan for revenge, capturing Marina and turning her over to the highest bidder, is thwarted when Marina is stolen by her uncle. Determined to see his plan through, Raf follows them to Alfheim. There, however, he discovers he can trust nothing and no one, except maybe the elf princess who had betrayed their love and imprisoned him before.
Once again, Marina is forced into playing a role. This time to save her sister whose life is being threatened. But times have changed in Alfheim and so has Marina. The struggle to hide her true self and pretend to be the perfect princess may just be more than she can handle.

With a secret she has hidden for centuries and Raf by her side, will Marina find the strength to finally stand up to everyone who thinks they can control her? And will Raf discover his own strength, one that allows him to let his desire for revenge go and move forward with a love he can’t deny?