Long, long ago in Neraland, the pious humans built a great tower to show the respect to their goddess Nera and in return she opened a gate to the world of Heaven’s Eye. The feathered race came through this door bringing precious raw materials, steelmaking, agriculture, and languages. Human culture progressed greatly because of these people who they called angels, but the peace was broken when a greedy man named Guld killed one of the angels.
In the resulting war, humans nearly went extinct, but a man named Ostin led an army and pushed the angels back to their own world. Now two hundred years after the battle, there are rummers that a second tragedy will befall humanity. People believe that a girl known as the Ice Princess who King Haiquin found frozen in ice and adopted as his daughter will be the cause of this second destruction. This Ice Princess, actually called Yan, is a kind hearted girl and decides to hand herself over to Ostin to preserve the peace, but a man named GhostBlade comes to kidnap her. While traveling with him she decides that she wants to know the truth about who she is.