Hellbent

In this book, a human named Warren and his crush, Mark (who is a demon), fight against Lucifer's youngest son, Damien.

The things they face are dangerous. But Mark's past may be even more horrible than he could have imagined. Especially when the person he cares for the most is in life threatening danger and is forbidden to even be a part of his world. Warren on the other hand, has to battle with his conflicting feelings for Mark. And when he finds out the truth that lies behind Damien and Mark's past, he begins to regret everything.