Once upon a time, an angel fell in love with a human princess. The angel rebelled to be with the princess so he was cast out from heaven. The angel turned himself into human to be with the princess until the princess got pregnant and then gave birth to a son. Unfortunately, their story wasn’t a happy ever after. The princess was killed and because of her death, the fallen angel slaughtered and burned countless of lives in vengeance. He had become the angel of the dark known as the devil, and since he could no longer return to the heaven, he descended to hell and ruled over the demons there. He became the king and his son became the prince of Hell. And this is a story of the Princess married to the prince of hell.