Five absolutely crazy half-naked girls running around, shooting stuff and kicking asses.
Parallel-universe world, which comes out in the middle of the series.
And boy, do I love corporate espionage/evil goverment ideas.
Also surprisingly decent plot, which is progressing for about 6 episodes out of 24 though, but it is still nice to have an actual story in crazy girls anime. And not any story - a good one. Onii-chan's history really got me there.
