It looks more like a steam-vent. She seems to be some kind of Android, to me.
i have to say i am a good fan of your art.
and for the debate of Fart or Thomas, id say Thomas.
You get a ten! I am so tired of like all the hardcore anime stuff. Yours is..in a way different from it. I like the grenade launcher in her hand. Pretty awesome. Keep drawin man!
Thanks, I will. This is actually a big compliment for me even though I don't try to avoid manga styles anymore.
Awesome action !!!