Joh If you point it out every time when it arise that this is against the law and harassment we may change there view and they don't do it.
It's child pornography that is against the law, and topics which could loosely be considered related to sex.
When I was underage I needed to keep my chastity comfortable and clean and that was consensual and not against the law. But the people who write stories on here seem to focus in an erotic context and that IS against the law and not right to do.
Parents in countries where Female Genital Mutilation is practiced should obviously choose chastity is they wish but that does NOT require pictures or some erotic fantasy novel.