Seven Deadly Sins Series by Erin McCarthy

In the late eighteenth century, plantation owner Damien du Bourg struck an unholy bargain with a fallen angel: an eternity of inspiring lust in others for the gift of immortality. But when Marley Turner stumbles upon Damien's plantation searching for her missing sister, for the first time in two hundred years it's Damien who can't resist the lure of a woman. But his past sins aren't so easily forgotten-or forgiven.

“One of of [romance’s] brightest stars”( ROMANCE REVIEWS TODAY) shows off her dark side. Forever cursed. Forever FALLEN. New Orleans, 1840s. Sent to watch over the decadent city, the angel Gabriel loses himself in the liquid pleasure of absinthe. So when his mistress, Anne, is murdered—and all evidence points to him—a foggy Gabriel cannot be sure he didn’t do it. His penance: to be forever denied love. Then in modern-day New Orleans he meets forensic scientist Sara Michaels...

My Immortal and Fallen showed Erin McCarthy at her provocative best... Now she takes paranormal romance one step further with The Taking Heiress Regan Henry knows that passion can be an illusion, and she keeps her emotions in check-until she falls under the spell of the beguiling Felix LeBlanc. He knows that the rumors that her mansion is haunted are true, and that he's the only one who can save her from the spirits residing there... moreMy Immortal and Fallen showed Erin McCarthy at her provocative best... Now she takes paranormal romance one step further with The Taking Heiress Regan Henry knows that passion can be an illusion, and she keeps her emotions in check-until she falls under the spell of the beguiling Felix LeBlanc. He knows that the rumors that her mansion is haunted are true, and that he's the only one who can save her from the spirits residing there. But the only way he can do it is to sacrifice his last chance at redemption...or risk a love that could consign them both to an eternity of evil. less