That is an excellent use of Blender's strengths! I really applaud you for making clothes that look like clothes within the animated framework (meaning, it doesn't look like real clothes but it looks right in this style). The hair, the facial features, and the posture are all wonderfully self-consistent and I think this is an excellent branch point to explore other characters and even animation! The one-and-only criticism I have is on the earrings and the eyes: that green looks too sharp and has no sense of depth. It looks like you used the "Shadeless" feature on the material, or maybe you cranked up the "Emit" setting too high, but either way that green doesn't look like it's part of the character.
Otherwise, it's awesome stuff, and I can't wait to see your other OC!
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