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1. Built-in Best Friend by saturdays_child

   Fandoms: Kingdom Hearts (Video Games)  

   • Mature
   • Creator Chose Not To Use Archive Warnings
   • M/M
   • Complete Work

   04 Oct 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Riku/Sora (Kingdom Hearts)
   • Riku (Kingdom Hearts)
   • Sora (Kingdom Hearts)
   • day 4 - dubcon
   • Half-Sibling Incest
   • Frottage
   • Fighting as Foreplay
   • POV Riku (Kingdom Hearts)
   • Riku is Mean
   • Sora is a brat
   • Sora and Riku are Half Brothers
   • Hate Sex
   • sex as a competition
   • Destiny Islands (Kingdom Hearts)
   • keyblades arent real they cant hurt you

   Summary

   Sora always gets on Riku's nerves, but Riku knows how to put his half-brother into place. That is, until Sora crosses a line Riku had never considered before.

    

   kinktober day 4! this is from starlink's kinktober on tumblr, for the dubcon prompt

   Series

   • Part 4 of saturdays_child's kinktober 2026!

   Language:

   English

   Words:

   2,354

   Chapters:

   1/1

   Collections:

   1

   Comments:

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   Kudos:

   12

   Bookmarks:

   1

   Hits:

   178