Manga Practice - Profile

Hey all, I have been practicing manga-style art a hell of a lot lately, and I finally have a drawing/sketch that I feel confident uploading. I can't believe that just a week ago I was drawing crappy, foundation-level manga art, but I have improved to such a degree, at least in my own opinion, and I am pretty hard on myself when it comes to my art.

Please comment and give me any suggestions. I LOVE suggestions. =3