Series of Cyber Gal

Wow! Can't believe that I am able to create a series of Cyber Gal within a designated period of time. At the same time, I searched quite a number of tutorials on how to create Manga character in DeviantArt using Adobe Illustrator, especially for line work. Actually, this is what I want to learn an extra skill for myself. I like this site a lot. The longer I stay in this site, the more I want to learn more, especially digital colouring for Manga character. Well, I don't think I have much time for now, it is going way too far for my project XD

Here are some of the tutorials I searched:
Chibi Girl Pencil Sketch
Illustrator Outline

Here goes my sketch as well as my Cyber Gal~

I use yellow and purple as both of them can complement with each other in colour wheel.