You shouldn't lie about your age on the internet.
Jojo is surfing the web and comes to a site that has an age restriction.
Jojo wants to see what is on the website.
Jojo waits until she is of legal age before accessing the site.
Jojo sets her age to be much older than she really is and successfully accesses the website.
Jojo views the sight and is not shocked by the things that she sees.
Jojo sees stuff that she is not ready to see.