Confused by 'Read With Free Trial' Button

I'm unsure if this is no longer valid, or just an error or something. When I click on it, it goes to the normal sign-up page, which mentions nothing about a free trial.

That is strange. For me, checking the site while logged out, clicking on the button or on any chapter on the Unlimited page brings up https://www.fakku.net/subscription looking like this:

ooh, a trial is a good idea.
Inb4 it's one of those 'gibe credit card details' ones. Nobody likes those. But they are the best way to not have it abused