User blog comment:IamJakuhoRaikoben/Chapter 355: Song of the Fairies, Review./@comment-6299840-20131011225313/@comment-7418318-20131012072443

Shameless maybe, but not a perv.

I think she just doesn't understand that most people are ashamed of the those things. But consider her upbringing. In the time when all the moral values are solidified by the parents, school and the enviroment in general, Erza was digging up rocks in a slave labour camp.

Apart from that not being in ideal place to form a "normal" set of moral values she also got tortured, was forced to kill people and was betrayed by her loved one.