Guardian in Exile: The God Eater's Hellion

An exiled angel stuck in an ordinary human body faces a demonic apocalypse threatening to ruin a perfectly good revenge plot.

Asariel, once Heaven's premier monster-dusting weapon, is now trapped in the last place he wants to be: Los Angeles. Exiled by divine decree, and tethered to the body of a regular guy. Worse yet? The spell won't break until humanity is extinct. Resentful and plotting revenge against the wizard he blames for this jam-if he could just find him-Asariel's plans are derail...