Hi, I'm looking for an old fic. In it, Dean and Sam are on a hunt, I believe it's in a school. Dean and Sam split up, and Dean's searching a classroom, when Castiel shows up. He explains that it's mating time for angels, and I'm pretty sure they have sex against a desk or table. There may have been wing kink in it, too? At the end of the fic I'm pretty sure Castiel takes Dean to a motel room for the remainder of his heat. Cas also tells Dean not to worry about Sam because Gabriel's taking care of him.

This was written before Abo dynamics became popular, so there was no knotting in it.

It's definitely not ladyeternal's  Angelic Mate's verse, nor is it Mating Season by WinnyWriter.

I really hope someone recognizes this!

I was incorrect about some of the detials, this was actually a Gabriel/Dean fic. It has been found.