Both drama, set in historical period, have a beautiful and interesting
plot based on the protagonist's revenge.
The female protagonists are both strong, smart and skillful.
Both drama have a lot of episodes but they are very exiting and never boring.
Princess Wei Young are better in costumes clothing and filming.

both are set in historical period.
both the male main character “Wang So” are cursed princes destined to become king.

both have a female main character who dresses as a man.
both are set in the world of idol music.