Promise: Caulborn, Book 2 (Unabridged‪)‬

When gods fail to keep their promises there's hell to pay. Literally. After a slip of the tongue, godling Vincent Corinthos is obligated to keep his partner, Megan, "fine" forever. Enter the Keepers, who fulfill promises for a fee. Vincent agrees to their bargain, but will Megan be the one who pays the price?