There are four heroines in The Return of the Immortal Emperor, namely Yuling, Haotian Shiyue, Alian and Ruyan Liu. The Return of the Immortal Emperor is a fantasy online novel. The main plot is that three years ago, after Yunqingyan accidentally fell into the celestial world for three thousand years, she became the all-powerful Yundi in the celestial world, broke the void, and it took only three years for Yunqingyan to return to the mortal world to find it here, thus launching a series of stories.