There are four empires in the Soul Continent, Landis of the North Fire, Tevasis of the South Snow, Nuorilang of the East Wind, and the Holy Light Imperial Castle of the Angel Kingdom in the west. Filled with wars and killings, the bloody feud between demons and angels, the appearance of a mysterious girl gradually revealed the unknown truth nine thousand years ago...
Angels... Must be pure and innocent... No... There is another kind of angel in the world... They are called...
Fallen angel...