Allay Series by Susan Wright, Susan Wright

After accidentally stealing the life force of a dying demon, Allay became the only human-demon hybrid in existence. Demons feed on human emotions, so Allay decided the safest way to satisfy this need-and still retain some semblance of her humanity-was to open a bar. Here she can drink from, and ease, her patrons' pain, which has helped her to stay under the demon radar...until now. When Allay is attacked and nearly killed by another demon, a human comes to her rescue... moreAfter accidentally stealing the life force of a dying demon, Allay became the only human-demon hybrid in existence. Demons feed on human emotions, so Allay decided the safest way to satisfy this need-and still retain some semblance of her humanity-was to open a bar. Here she can drink from, and ease, her patrons' pain, which has helped her to stay under the demon radar...until now. When Allay is attacked and nearly killed by another demon, a human comes to her rescue. Theo Ram is tall, handsome, and mortal-and Allay feels a connection to him she didn't think she'd ever know. But that bond is tested when the demon community in New York begins to rise up, and two opposing clans fight for power. Now Allay is caught in the middle, and she must decide where her loyalties lie. less

Half-human and half-demon, Allay has finally warmed up to her new life feeding off the customers at her downtown bar whens he finds herself brokering a truce between New York City's most powerful demons. But when she senses assassins around every corner, Allay hides out of sight and underground-until combatants in the growing war tempt her back above the surface...