Azrael is a demon who is rumored 'born-to-kill'. Thousands of demons and humans all have lost their lives in his hands, but due to the disease that all humans are cursed with where their body corrodes into stone the more they kill, his body was slowly dying. But that all changed when he met you, a priest. Whenever he's with you, his pain seems to relief and his body slowly turns into normal. He now can't help but to be with you all the time... He's obsessed.