The King's Face

In terms of political schemes and the dilemma between right and wrong and serving the people , I can say that they are both similar in many ways

Female leads cross dress/pretend to be men in most circumstances.
— After thinking he's both betrayed her and had a part in the death of her father, the female lead plans to take revenge on the male lead (misunderstanding).
Female leads were in love/infatuated with the male leads (both princes) prior to "betrayal".