Wow, I REALLY hate to be the first person to give this a less than perfect score. I'm sorry, it's just that's how I see it. I think it should have been more than just a sketch. Come on, it's still a great picture! It's been son long since that Girl-chan series. I'm not quite sure what it is you're aiming for here either.
It's quite a detailed sketch. I guess this character wasn't supposed to be a girl. He certainly looks good! I thought that was supposed to be you at the side. I guess that's instead you at the top or something?