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1. Did Mary Shelley Dream of Tentacles? by FriendofCarlotta

   Fandoms: Supernatural (TV 2005)  

   • Explicit
   • No Archive Warnings Apply
   • M/M
   • Complete Work

   19 Jan 2026

   Tags

   • No Archive Warnings Apply
   • Castiel/Dean Winchester
   • Dean Winchester
   • Castiel (Supernatural)
   • Snowed In
   • Cabin Fic
   • Monsterfucking | Teratophilia
   • Tentacles
   • Rimming
   • Top Castiel/Bottom Dean Winchester
   • Bottom Castiel/Top Dean Winchester
   • (second one is only implied)
   • Light BDSM
   • Power Outage
   • Eldritch Being Castiel

   Summary

   Dean has sequestered himself in a remote, lonely cabin to get some writing done. When a blizzard moves in, so does an eldritch being with windswept hair and a dorky suit. Castiel claims he’s come in response to Dean’s yearning for a companion and is ready to make all his sexual fantasies come true.

   And really, who’s Dean to turn down that kind of offer?

   Language:

   English

   Words:

   8,417

   Chapters:

   2/2

   Collections:

   1

   Comments:

   84

   Kudos:

   209

   Bookmarks:

   30

   Hits:

   1,773