In my opinion, her right leg is large than the other one, and her left arm is shorter than the other one. (And I don't want to make a mistake, but I do think that her hair is darker.)

For the rest, it's fantastic! Beautiful. I would definitely let her rattle my teeth!

 I love the stance, but be careful of line break errors - especially on the legs and arms. Also, she looks very pale. Maybe use a darker color for her skin? The hair is nice, I love it. Though, the dark line on the top right of the head should be recolored - it doesn't work with the shade.

 Very adorable! Love how you did her hair. :)

CUTE

For a first try at pixels, I'm impressed, especially with the hair, face, and overall readability.

However, her left calf is too thin, and careful with those jaggies all over her right leg.

 I really like it. The dark lines on one side of her body really makes her pop!

Haha I see your point, I probably should keep track of the colors I use ^^;

 I think Tifa has darker hair ;)

I really like how her face came out. Overall it's pretty good. It's very good for a first try, especially.

A couple of things I noticed that could be improved are that the calf of her left leg is thinner than on her right leg. Also there's 45 colors, which is definitely more than needed. With 20-25 colors it'd probably look the same or nearly the same.