妖精帝國

Yousei Teikoku is a five-member Japanese musical unit, formed in 1997 and part of Team Fairithm. They produce music of the Electro and Classical genres. Their works include the theme songs of the anime shows Magical Pokan, Innocent Venus, and the Mai-HiME videogame soundtrack.

Part of the same label as Denkishiki Karen Ongaku Shuudan, and one of Yousei Teikoku's members, Hirano Yukimura (yuki, Shiren), left to join them.