Megan and Emi discuss A Soul to Keep by Opal Reyne.

Reia survived the massacre of her family by demons. When a mysterious being called the Duskwalker offers protection for her town in exchange for a sacrifice, Reia is forced to become his bride.

Reia gets closer to Orpheus so she can learn the secrets of the demons and how to survive in their world, but the longer she stays the deeper her feelings grow for the Duskwalker. Orpheus is happy for her to stay but there's a condition to her living completely free, she must give him her soul.