Fics like Destined to be You and Me

After a routine hunt turns strange, Dean Winchester finds himself reacting to Castiel in ways he can’t explain, and definitely doesn’t want to examine too closely. The problem is, angels apparently come with instincts nobody warned him about. Castiel is in heat. Dean is his mate. And Heaven is very interested in what happens next. As hunts stack up, tempers flare, and the distance between them becomes impossible to ignore, Dean and Cas are forced to confront something far more dangerous than monsters. Each other. Or: The one where angel mating instincts collide with Dean Winchester’s emotional repression, and Heaven really wishes it hadn’t.

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