Prequel of Peony Elegy: Frost flower. (https://mangadex.org/title/a32e2e30-98ab-404b-bdb2-81a0ca7c1b6f/peony-elegy-winter). A tale of cruel revenge in the heart of the Imperial Palace. This is the story of a court concubine, Longhee, who spent numerous years within the high walls of the Inner Palace, and of her son, Woon, the First Imperial Prince. It follows their lives as they struggle to survive and guard one another against the treachery that lurks in the darkness of the Imperial Harem."