It was really slow at first and you don't really see much of a development in the story at first. But after that, the story gets more interesting. I like how the issues discussed and how the technology tries to link as much to the current world as possible. It makes this series stand out among other mecha series and more enjoyable. I also like how the Celestial Being deals with their enemies as their enemies got stronger, using strategies rather than their superior technology so that there would not be as much loss for them, and how the enemy side has shown that technical superiority is not everything, it does not only add realism and enjoyment to watching the show, it also impressed me with the fact that an Anime can include so many realistic elements.