Earth Sphere Chronicle

is a Japanese light novel series written by Shota Asuka, with illustrations by Aya Kadoi. The series began publication on October 10, 2000 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
An unprecedented crisis is imminent in the historical world. The Great Demon King Luke is about to revive after breaking the 2000 seal !! Alice, who has the "Devil's Heart" embedded in it, is forced to fight Luke ... Standing in her way were not sneaky traps or evil monsters, but ridiculous and stupid companions who were not afraid of God. Tohoho. Throw away the maiden's shame, keep a faint love in your heart, and let's go! To Erna Dessetoria, where the Great Demon King Luke is waiting! Is it the Demon King or the Hero who destroys the world !? High tension fantasy.