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1. It’s just in my nature by onlyhalf

   Fandoms: Haikyuu!!  

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

   17 Jun 2025

   Tags

   • No Archive Warnings Apply
   • Tsukishima Kei/Yamaguchi Tadashi
   • Tsukishima Kei
   • Yamaguchi Tadashi
   • Alpha/Beta/Omega Dynamics
   • Omega x Omega
   • Scissoring
   • Wet & Messy
   • Sex Toys
   • Breeding Kink
   • Nipple Licking
   • Mating Cycles/In Heat
   • gay freaks with breeding kinks this is for you
   • Sappy? Fluffy?
   • Vanilla

   Summary

   Given how the two omegas spend every second of every day together, pheromones intermingling, it was only a matter of time before their heats synced up.

   Language:

   English

   Words:

   3,202

   Chapters:

   1/1

   Comments:

   4

   Kudos:

   123

   Bookmarks:

   11

   Hits:

   2,384