Edelstein...
A world inhabited by three tribes.

In the past, this world was the site of the Great Battle,
a war between the tribes.
But that's part of history now.

The three tribes work together with each other,
and the world is at peace.

But a certain incident strains that peace,
and it starts to crack.

Dark clouds are gathering over the future of the world,
a future everyone thought would go on for ever...