It borrows the history of Bai Juyi's "Song of Everlasting Regret" as the background of the entire novel, and uses a modern language system to describe the intertwining, lingering, and reluctance of love in each section, as well as the end of the world, but the regrets of life and death are told through the Song of Everlasting Regret.
It is not the story of the Emperor of Tang Dynasty and his imperial concubine, but it is a story about love and hate intertwined with "Song of Everlasting Sorrow".
Purpose: Cherish life