Spheres

Spheres (스피어즈) is a Korean anime series broadcasted by Munhwa Broadcasting Corporation (MBC) from July 2003 to February 2004.

Plot
Unbeknownst to human history, the Kingdom of Spheres existed upon our earth long ago. The people of this kingdom would be regarded today as psychics. But like most civilizations, discrimination increases as the gap between social classes widen. The Kingdom of Spheres was troubled by those greedy for power, and eventually collapsed. Na Yeon is a mysterious girl who lived a normal life but eventually revealed to be the last of the Spheres Kingdom, frozen in cryogenic suspension in the Antarctic ruins. She was then transferred to a new school by recommendation of its principal, where it secretly hold a "Spheres Club" for psychics to train their powers. After an ambush by followers of Asten, the chairman of Sphere Union, Na Yeon's sphere powers suddenly awaken where she must train with her clubmates to stop Asten's burning ambition to conquer the world.