Sky City: The Formation of Phoenix

Human tribe made peace with wing tribe for the time being. A quick-witted girl looks so much like the princess of human tribe. So she was asked by the emperor to go to wing tribe to have a royal marriage as the substitute for the princess. Yet, she is hiding some secrets also. Bearing a grudge for her tribe and family, can she make a huge difference?

(Source: Mangatoon)

Note: Chapter count includes a Valentine's Day extra.