‘Kogyaru’ (a contraction of ‘koukousei gyaru’ (high school ‘gals’) is a type of fashion outfit based on the Japanse school uniform, but with a shorter skirt, loose socks and often dyed hair and extreme make-up. It is often used by girls as a kind of protest against the typical ‘beauty fashion’. Their make-up is so extravagant it can be seen as ugly.
Although I did not make it very extreme in my drawing, a more mild version of kogyaru as portrayed by MeguNobu:

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