I would try going on google or weheartit
And look at pictures of gyaru hairstyles.
You can even check out my blog
http://isnt-the-skye-lovely-today.tumblr.com/ I have LOADS of pictures.
And though I hate labels, I have to use them to describe japanese fashion too so life is life.
But I understand what fashion you are trying to avoid...
Anyways, Just avoid:
-Harsh under eyeliner
- Very thick top eyelashes
- Thinned out hair with layers at the top
- Band/tight jeans combo
Stick to the doll look with unnatural colored hair and you should be plenty happy with it!
Keep your hair pretty even in thickness, layers is good just don't do too many top layers.
Keeping your hair curly or wavy may also help compare to stick straight, but just play with it and try!