Pairing/Characters: pre slash, pre Sam/Dean/Cas
Word count: 3972
Tags/Warnings: Fluff, Romance, Humour, Mer!AU, pre slash, Lonely!Cas, Tentacles, Emotions, courting, courting gifts, Sweet!Dean, Sweet!Cas, protective!Sam, Mer!Sam, Mer!Dean, octo!cas
Summary:Dean has been the provider all his life. He’s looked after his little brother - and he’s done a damn good job of it! But now Sam is more than capable of looking after himself, and where does that leave Dean? One day, Dean finds himself swept out past the mer village, and past the hunting grounds, into a place that no mer ever goes. And maybe… just maybe there lies the answer.
A/N: You said you liked mer!au's so I ran with it. I meant to write something that was mer/mer/octo action, but this is what I wrote. I still hope you enjoy it!
read on AO3