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1. sunk cost phallusy by Anonymous

   Fandoms: Sonic the Hedgehog - All Media Types  

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

   11 May 2025

   Tags

   • No Archive Warnings Apply
   • Shadow the Hedgehog/Sonic the Hedgehog
   • Shadow the Hedgehog
   • Sonic the Hedgehog
   • Shadow the Hedgehog Has Black Arms Biology
   • Sonic the Hedgehog has... hedgehog biology...
   • Trans Shadow the Hedgehog
   • Vaginal Sex
   • Creampie
   • Multiple Orgasms
   • Overstimulation
   • sonic has a big dick
   • big dick problems
   • Bottom Shadow the Hedgehog
   • Top Sonic the Hedgehog
   • Animal Instincts
   • Annointing
   • Scent Marking
   • im probably forgetting something but i think those are the important ones
   • nothing too crazy they fight and then fuck about it. normal hedgehog behavior

   Summary

   “When I win,” he hisses, “I’m going to sit on your face and drown you.”

   Sonic licks his lips. Licks. His lips. “I literally cannot think of a better way to die.”

   “I hate you.”

   “Aw, I love you too, buddy! So… is that a yes then?”

   “Against my better judgement,” Shadow heaves a heavy sigh, “yes. I accept your challenge.”

   Series

   • Part 2 of rivals with benefits

   Language:

   English

   Words:

   12,151

   Chapters:

   1/1

   Collections:

   1

   Comments:

   29

   Kudos:

   512

   Bookmarks:

   70

   Hits:

   7,126