Kim Kibum was a noble from the Lower Land. Where there's no sun nor colors from the start 'til the end. He always lived in grey and black, in the middle of dull women and men.
Lee Jinki was a Prince from the Upper World. Where he had everything beautiful in all sorts. He was going to be crowned, but all he wanted was everything but being people's King and Lord.
A Portal was opened for them to meet. In all unexpected way and turn of the fate.
What would happen once Kibum's accidentally chosen to be the future King Jinki's royal lecturer ?
This is The Tale of Two Worlds.