The roles are kind of swapped. In moon lovers, the ML is the exiled prince who everyone looks down on while in princess wei young, the FL pretends to be the illegitimate "jinxed" daughter of a powerful minister.
- Both the ML in moon lovers and the FL in wei young are pushed down by their families and slowly gain favor with the emperor
- Both show a fight for the throne and political plotting, but moon lovers is a little more intense
- Both are tragedies ;-;
Chemistry was a little better in moon lovers imo (although the princess weiyoung relationship is definitely healthier from the eps I've watched), but the FL in princess wei young was super smart and independent which I loved.