Eblian Mates I Complete Series by Ruth Anne Scott

Natalie Korman and her friends are abducted from earth by aliens. They have been taken for their genetic and physical make-up, to be used as sex slaves and pleasure objects. She becomes very popular amongst the aliens, who enjoy using her, as humans are very sort after in the pleasure arenas. When she is rescued by an eblian, she thinks his as bad as all the orhers who have used and abused her. Then she finds out that Kyan is part of the Galactic Police Force known as Surveyors, and his there to help her. But Kyan does much more than that, he gives her pleasure, keeps her safe and gives her a lifetime.

Book 1: Enslaved by Aliens
Book 2: Rescued from Aliens
Book 3: Living with Aliens