Nothing too bad. The high school girls wear short skirts, but most Japanese high school girls in anime wear short skirts revealing their pants.

none

Punching and kicking is seen as well as bruises and lots of fire but nothing inappropriate.

5 girls fight against the bad end kingdom. Not brutal

Name calling.

The whole series is light hearted yet dark. It gets very depressing and heartbreaking because five young teenage girls have to fight fairy tale villains that are trying to rip the happiness out of anyone and see no point in living anymore, even when the five fail, they never give up yet it can be emotional to watch.