Seriously, just go watch Arpeggio of Blue Steel. This anime is obviously intended to be fanservice for the people who are obsessed with the game it is based on and nothing more. If that's you, then you already know you want to watch this. If that's not you, don't bother. The characters are shallow and uninteresting and the plot is practically nonexistent.
Edit: If you notice, all of the 5 star