This series is by the same guy that created "Destiny of a Shrine Maiden." He obviously likes to make his work as angst-ridden and confusing as possible, not to mention the fact he tried to cram a piece from each of his previous works into this one. If you really didn't understand any of this just look up on Wikipedia, trust me, it will explain everything. All in all, I like the art and style but the whole series tries to condense a story line that would be better stretched out and explained over 24-26 episodes rather than the 12 episodes that exist.