I know @ has mentioned this before, but might as well shed some light into this game, as it seems kinda unknown here in the US, and it's just been released in Japan this past month, and does it look good. Apparently, it's been delayed in the US till March 31st, 2013, regardless if the game is complete (and in english.) because of glitches[?] and quite a number of other things.
But, I digress, here's the trailer.