Demon King (Queen)

The Demon King, also translated as Demon Queen or Maou, is the main female protagonist and the 43rd Demon King, the epithet "Ruby Eyes," the supreme ruler of the Demon Realm. After teaming up with the Hero, she disguises herself as a human noblewoman known as the Crimson Scholar and shares her vast knowledge on such topics as economics and farming. She comes from the Library Clan, a clan of demons that prioritize knowledge. They reside in a hidden dimension called the Exterior Library, which contains a vast archive of knowledge from various times and alternate universes. Instead of a desire to...