Not gonna lie, great stuff. The problems I have though arethese.... First, the male voice is not at all appropriate as it is much louder than the girl's and somewhat distorted at times. Also, if she used her small katana(forgot the name of it) as a zip line, wouldn't she need to hook it down somewhere and somehow first? Which would mean she couldn't be using it for the rest of the video... And that brings me to my next argument, the landing. For the sake of argument, let's say she used a real zip line to get inside the building, she shouldn't waste time retrieving it if she wants to reach her target before it escapes, hence the walking hallway simply doesn't make sense to me at all if she's an assassin. Every time I see an invasion scenario in anime, the invaders are always running in guns blazing, not walking along like it's a stroll in the park.
Lastly, if you didn't get atleast a mention for your project, then those machinima folks are stupid.
Don't take what I said personnaly, I'm no proffessional and I'm not out to shut down new ideas(not a naruto fan btw) like making a modern ninja assassin video like this. I actually find it refreshing and new and fun to watch(despite its almost crippling problems), I give you double thumbs up for it! =D
P.S. I don't know why but I kept hearing the blade theme song in my head from the start of the fighting to the end. xD Am I deranged for thinking that it fits in better than a naruto OP?