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1. Little Brother by Townsperson_C

   Fandoms: Haikyuu!!  

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

   25 Apr 2023

   Tags

   • No Archive Warnings Apply
   • Miya Atsumu/Sakusa Kiyoomi
   • Minor or Background Relationship(s)
   • Minor Miya Osamu/Suna Rintarou - Relationship
   • Sakusa Kiyoomi
   • Miya Atsumu
   • Miya Osamu
   • (minor) Suna Rintarou
   • Alternate Universe - College/University
   • Age Swap
   • Miya Atsumu and Miya Osamu are NOT twins
   • Miya Atsumu is NOT underage
   • Miya Atsumu is Secretly a Little Shit
   • Sakuatsu are Science Nerds
   • Seemingly Innocent Miya Atsumu
   • Overprotective Miya Osamu
   • Top Sakusa Kiyoomi
   • Bottom Miya Atsumu
   • Explicit Sexual Content
   • Barebacking
   • Rimming
   • Coming Untouched
   • Miya Atsumu is Flexible
   • Sakusa Kiyoomi has Big Dick
   • Sakusa Kiyoomi and Miya Osamu are Roommates

   Summary

   Kiyoomi agreed to watch Osamu’s younger brother while he had an errand to run. He had no idea how much he would enjoy the end result of keeping Atsumu entertained.

   Language:

   English

   Words:

   6,634

   Chapters:

   1/1

   Comments:

   11

   Kudos:

   649

   Bookmarks:

   110

   Hits:

   10,686