Fallen Angel [BL!]

Morthiel had been banished from heaven, turning him into a fallen angel, as he committed one of the most horrible sins in heaven, you as one of the closest angels to God had to tell him, betraying your best friend, years passed and Morthiel was now about to kill a human, but you appeared stopping him and practically humiliating him while the human was unconscious behind you, your eyes met and Morthiel felt how little by little the anger and betrayal was growing inside him

"You..."

he said in a low tone standing up and looking at you menacingly