In Progress - Misuzu Lineart

Here's something I'm working on! The lineart took forever, but I'm happy with it. I think I'm improving a little ; I'd love critiques for this in case there's anything obvious I should fix. I always miss the most important things even though I can pick out millions of other mistakes in my work >o<;;

Anyways, this is my mascot character Mizusawa Misuzu! She has dark green hair ^^ Green is my favorite color! You shall be seeing looots of her. Hopefully... hihihi

Also I am very behind in BG's, so if anyone can help me think up a suitable background I'd be very grateful TT ^ TT I still need so much practice..