Super Harsh Morality Check

I think it was about her hair. There are some places which doesn't allow you to colour/bleach your hair, after searching on it I found out there apparently also are places which require you to color it black if your natural hair color isn't black: https://www.scmp.com/news/asia/east-asia/article/3011294/paint-it-black-japanese-pupils-protest-school-hair-colour-rules

I'd like to think of it like a warning from a cop. "Alright you were speeding but, I'll let you off with a warning. don't to it again or I will ticket you".