The Voodoo Girl Plots the World

Third sister was originally an extremely ordinary low-level palace maid. By chance, she read a book she shouldn't have read, kept a few pets she shouldn't have, and made a close friend she shouldn't have. Her life has undergone earth-shaking changes! Let's see how she escapes from the intrigues in the harem, how she eradicates the evildoers and cultivates a relationship with immortality!