Transmigrated as the Dowager Empress's Sister

During a university event, Peng Zhen unexpectedly transmigrates into the maid of an unfavored concubine, who serves an unfavored heir apparent. Gu Liuying is her neglected mistress.

The two of them plan to make do and get by like this.

Who would have guessed their luck would turn around? They coast to success: one becomes the Empress Dowager, and the other becomes the Grand Princess, wielding power over the entire court.