The DEMO version only includes 4 pages:
http://wishes.world
http://wishes.world/category/messages.html
http://wishes.world/funny-replies-who-is-this.html
http://wishes.world/flirty-responses-i-miss-you.html

It is possible to download these free files and install them on your server, so you can test how the site works.
Visit https://www.waybackmachinedownloader.com/en/buy-wayback-machine-downloader-recover/ to buy a fully functioning site.
Go back to the index page