Gude Crest: The Emblem of Gude (Light Novel)

In the days before humans roamed the world, the gods took place in a great battle, leaving a legacy of war and conflict to mankind. In the present, the continent of Harlan is riddled with strife, and only the lovely Efera and Jiliora can save it with the help of the last surviving member of the enchanted race, a pair of twins, and luck! Can the gang return the royal Gude Crest and defeat the evil Grafton and the Supreme Mother herself, before the entire continent falls under their cult-like control?