1500+ Five-stars? You can't be serious. I'm going to come off as a pompous ass, I know, I regret, but I can't not. Take my elitism with a grain of salt, but it comes from experience (for one, I might have rated this highly when I first started watching anime) and an understanding of the medium.
11eyes is a stock-example of a stock-anime. It has absolutely nothing that sets it apart. The story