Dark Encounters Of The Close Kind by I. T. Lucas

Convinced that her family is hiding a terrible secret from her, Gabi decides to pay them a surprise visit.

Something is very fishy about the stories her brothers have been telling her lately. Her niece, a nineteen-year-old prodigy with a Ph.D. in bioinformatics, has gotten engaged to a much older guy she met while working on some top-secret project, and if Gabi’s older, overprotective brother’s approval of the engagement wasn’t suspicious enough, he also uprooted his family and moved to be closer to the couple.
What Gabi discovers when she gets to L.A. is wilder than anything she could have imagined. Her entire family possesses godly genes, her brothers and her niece have already turned immortal, and she could transition as soon as she finds an immortal male to induce her. Finding a suitable candidate in a village full of handsome immortals shouldn’t be a problem, but Gabi’s thoughts keep wandering to the gorgeous guy she met on her flight over.

Could Uriel be a lost descendant of the gods?

He certainly looks like them, but that doesn’t mean that he’s a good guy or that he’s even immortal. He could be a descendant of a different god—a member of an enemy faction of immortals who seek to eradicate her family’s adoptive clan, or what is more likely, he’s just an extraordinarily good-looking human.