Only Regret Not Recognizing the Deep Love for Yuan

Plot Synopsis

The male protagonist's uncle was killed by the crown prince of Jiang Kingdom. During his escape, he encountered the female protagonist who was out of the palace to play. The female protagonist risked her own life to help the male protagonist escape. Many years later, the male protagonist defeated Jiang Kingdom and the female protagonist was captured. However, he never expected that the A Yuan he had been longing for was the princess of Jiang Kingdom who had been humiliated and tortured by himself. After learning the truth, the male protagonist tried his best to make up for it, but unexpectedly, the female protagonist sacrificed her own life in exchange for peace between the two countries and jumped off the city tower!