Hotter Than Hell(2008)

Megan HartLacy DanesJackie Kessler

So whose soul do you have to damn to get a promotion around here?

Daunuan was never the ambitious type. There's so much to love about his job just the way it is—mind-blowing sexual prowess, the power to seduce any human, excellent dental plan. But now Pan, the King of Lust, has offered to make Daun his right-hand incubus. All he has to do is entice a soul destined for heaven into a damnable act of lust. Should take, oh, seven minutes, tops.

Then he meets his target, Virginia Reed. She's cute. Funny. Smart. And unfathomably resistant to his charms. But Daun has centuries of seduction to his credit. Sooner or later he'll transform this polar icecap of a female into a pool of molten desire. Meanwhile, he has to deal with a plague of rogue demons Hell-bent on taking him down. And one other problem: he's falling in love—that unholiest of four-letter words—with the woman he's about to doom for all eternity...