The last response was uncalled for.
There are Federal Laws that make it a serious felony to traffic in sex involving persons under 18. The new Attorney General is likely to vigorously prosecute these offenses, and why would you want to get caught up in it?
Also, even it it was legal, and you do not mind having your name added to a list of registered users of a hard porn site, even if the FBI has the list, beware. Many of the porn sites badly rip off people who give their credit card numbers.