The Empress of the Illusionary Sound Pavilion
She's basically two people in one—the Empress of the Illusionary Sound Pavilion and the King of Qi are the same woman, just presented differently. When she's out as the King of Qi, she's disguised as a man. It's one of those dual-identity setups that defines her whole character.
Content compiled by AnimeList.moe from publicly available sources.
