Author on ao3: Destielshipper4Cas
Pairing: Castiel/Dean Winchester
Word Count: 1619/?
Summary: An accident has left Castiel without a sense of smell. In order to test whether his ability to scent is coming back, he has to regularly (try to) scent an alpha.
Just like anything else, paramedic Dean Winchester doesn’t smell like anything to him. Or does he?
((Read it here on ao3))