Specific fic- Dean/Cas - Never going to give you up

[noxnightwolf.livejournal.com]

Cas makes a radio request for the Rick anstly song never going to give you up - and dean realizes he doesn't mean it as a joke but as that Cas isn't going to let him down. Help

Comments

[dauntperplexity.livejournal.com]

I think you're looking for this story.

Cas Accidentally Rick Rolls Dean
(http://thekingslover.tumblr.com/post/92679063017/prompt-cas-accidentally-rick-rolls-dean)

[noxnightwolf.livejournal.com]

That's it!
Thank you