The Vampire's Consorts

The war has ended! Every soldier is finally coming home, all thanks to the former war prisoner who escaped torture, Princess Amara, who helped lead her kingdom's war to victory.
The unfortunate price for this sudden victory was the torture and experiments done on her, giving her strange abilities. The deal was sealed when a mysterious doctor gave her a key to unlock the rest of her transformation into a creature that yearns for blood.
To satiate her hunger without drawing panic from the citizens, she is required to take in a select who can keep secrets, under the guise of serving as lovers.