Yes, I agree with MD Anonymous, I think an outline would so some good. I think you could also color it a bit more, add a background, and match colors better. I know your not finished, but these are some tips when you are working on it again. You have great potential! ^^
drawn in 20 min
-Kenshin
I like the blue you used for her outfit!
'~:Kaoru:~'
drawn in 7 min