Can the Grim Reaper Possess Someone?

Mua, a well-known underworld guide famous for hating humans, was one day swept up by an unknown force and possessed the body of a human named 'Shin Mua.' Realizing there was some kind of conspiracy defying the natural order, Mua begins to unravel the plot together with Cheon Ji-eon, the contractual marriage partner of 'Shin Mua,' the owner of the body he possessed. Facing numerous crises that cross between the underworld and the world of the living, the two transcend a relationship of love, hate, and loathing to save each other. --- I'm screwed. He didn't want to use such a lowly word, but no other term could properly express the emotion he was feeling right now. Literally, it was a scre...