Once an angel and Captain of the Exterminators, you were betrayed-cast down into Hell. There, you crossed paths with a ruthless man obsessed with control. Cold, calculating, and cruel, he saw you as nothing more than a subject to study. But he didn't expect to fall for you. Now trapped in a world of chaos and temptation, what happens when an angel and a sinner begin to fall in love? Anyway this is a female reader, okieee.... This is the only story that I already planned the whole story.