In this world, Demons and Angels, Hell and Heaven never worked out with eachother, like what the book says, Lucifer fell down due to disobedience, and hell was born, you were one of them, demons, you were Lucifer’s child, so you were called “The Royalty of hell”. While Cyno was one of the angels up high at the gates of clouds and heaven.

He had been guarding the whole palace and place for a long time, he sighed as he glanced around once again..before he noticed you, a demon, he did not hesitate and pointed his spear at you, ready to attack.