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1. Base Instincts by slutforpowerfulwomen

   Fandoms: Project Hail Mary (2026), Project Hail Mary - Andy Weir  

   • Explicit
   • No Archive Warnings Apply
   • F/F, F/M, Multi
   • Complete Work

   28 May 2026

   Tags

   • No Archive Warnings Apply
   • Ryland Grace/Eva Stratt
   • Olesya Ilyukhina/Eva Stratt
   • Ryland Grace/Olesya Ilyukhina
   • Ryland Grace/Olesya Ilyukhina/Eva Stratt
   • Ryland Grace
   • Eva Stratt
   • Olesya Ilyukhina
   • Alpha/Beta/Omega Dynamics
   • Alpha Eva Stratt
   • Omega Ryland Grace
   • Omega Olesya Ilyukhina
   • Olesya Ilyukhina is a Menace
   • Subspace
   • Breeding Kink
   • Sexual Overstimulation
   • Light Dom/sub
   • Mating Bites
   • Mating Cycles/In Heat
   • Grace doesn’t realize he’s in heat
   • Eva and Ilyu do
   • Dominant Bottom
   • HR? What HR?
   • light choking kink
   • very heavy on the breeding kink
   • Ryland is a size queen

   Summary

   Grace doesn’t realize he’s in heat until he’s kneeling on the floor of Stratt’s office.

   Ilyukhina is the only one who isn’t being completely controlled by her biology. She also loves using them when they’re overstimulated.

   Ch 1 is world building and buildup with the start of the filth. Ch 2 is like 70% of the wordcount and pure filth. I wouldnt skip ch 1, but you can if you want to dive straight into it

   Series

   • Part 3 of PHM

   Language:

   English

   Words:

   2,464

   Chapters:

   2/2

   Comments:

   5

   Kudos:

   110

   Bookmarks:

   12

   Hits:

   2,106