I see the Empire figured out a better way to make it harder for the rebels to shoot at their space station and at the same time increasing it's fire power.
Learn to read what this means: 少女! It means young girl. That's what the artist tagged it as, so that's what she is. Not a trap! At least, not in the traditional young-boy-that-looks-like-a-young-girl way.
nirun said: Wonder how many Star Destroyers can fit into that thing?
Given that the volume of the first deathstar is estimated to be around 2.1447 e6 m³, and an Imperial Star Destroyer is around 1,600 m long, I'd say... a whole lot.