Not a bad start. She look like a kunochi (female ninja)
Clean and simple, kinda nice in my opinion. Could be better if you added some shading, maybe even just thickening certain lines to give more depth would help. I don't know what sort of style you were aiming for though, so sweet and simple could be it. You should keep on drawing, there is potential, certainly.
I might re-draw this at some point and add shading, but yeah, this was a primarily flat-colour piece (aside from the texturing on the hair and the blushing)
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