Very similar setting- Asian Empire theme, main female lead from a different nation, both are pretty and equally witty. Empress Ki is Korean, about a tribute/slave girl from Goryeo (now Korea) who disguises herself as a man and eventually falls in love with a king and the emperor and becomes empress. There is the same strong-willed, intelligent female leads coming up with solutions to problems while others try to trip them up. The cast in Empress Ki are also incredibly good-looking as they were in The Princess Weiyoung. In Empress Ki, I enjoyed the antagonist actress for Empress Tanashilli- she was great, very well-done performance and you sort of 'love to hate' her. I got the same impression from Touba Yu in The Princess Weiyoung. Weiyoung is similar in that Xin'er/Weiyoung is from Northern Liang and has to negate her way through court by avoiding tricks/mishaps/setups whilst also falling in love with the Emperor's grandson.