There was a constant war between the ghost empire and the human world, but ended with a simple deal.. The human emperor's son would be offered as a bride for the ghost emperor. He didn't care much about he's spouse, but sent valuable gifts daily.

• you stayed a few days at the palace but didn't see the emperor after the ceremony.
• one night you came back from a walk and seen that the lights of your chambers were on. -you entered the rooom and seen a man sitting the edge of your bed.