Red Mudan 

Rise through the imperial harem like a golden dragon! 7th-century China, under the Tang Dynasty. Wu Zhao, the future Empress Wu Zetian, is a young girl striving with all her might to support a household left without a father. She runs herself ragged for the sake of her ailing mother, but the cruel reality of poverty threatens to consume her... Follow along in this grand Chinese imperial harem romance chronicling the life of Wu Zetian, the one and only female emperor in all of Chinese history!