The world has gone to ruin, but why? The true reason is an unknown. Some said it was the collision between a pair of parallel worlds. Others said that it was the act of the gods giving retribution for the sins that the world collected historically. On the other hand, there are a handful that say that it was both. The world's destruction was inevitable, although the chance for mercy is slim. That chance stood with three people, each with their own story. But for our heroine's story to start, it first needed to end.