A young man from our world dies from being hit by a car. After that he is then reincarnated into a young man named Erin into a world of magic and fantasy that's being oppressed and ruled by the DemonKing of Chaos & Anarchy A.K.A DARKNESS , as a rare and sub race of Human like X men slightly similar which can control abilities of a element which are called Slayers. That are also the only being that can fight off monsters as well anything involved with the DemonKing . How will this young man from our world deal with being thrown into a world of fantasy and things that don't exist.