Sins of the Soul by Eve Silver — book slip

Alastor Krayl, a feared soul-reaper from the Underworld, is driven by vengeance after his brother's murder. His quest for justice leads him to Naphré Kurata, a secretive and lethal assassin who may hold the key to the mystery.

As they form an uneasy alliance, Alastor and Naphré navigate a world of violent gods, forbidden magic, and deadly betrayal.

Their journey is fraught with tension, as Alastor suspects Naphré knows more than she admits, or worse, that she might be the killer. Together, they must confront their pasts and the dark forces threatening their world.

For fans of J R Ward, Lara Adrian, and Kresley Cole.