Hidden underneath SinglesHug.com is the website CLKVST.com. It uses the iFrame command to present content from a different site, without you knowing it. Where it lands is the result of a long string redirects (302 redirects in webmaster lingo).
It starts with this
Then Redirects to…
twgaff is the final destination in this click, which is the sign-up and billing site for Twilight Affair. It is just one in a very large rotation of sites.
Thanks to WhereGoes.com for their excellent utility that reveals this redirect.