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1. Foreign Body Detected by ssavestars

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

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

   26 May 2026

   Tags

   • No Archive Warnings Apply
   • Ryland Grace/Rocky
   • Ryland Grace & Rocky
   • Ryland Grace
   • Rocky (Project Hail Mary)
   • Human Rocky (Project Hail Mary)
   • Alien/Human Relationships
   • Love Confessions
   • Friends to Lovers
   • Anal Sex
   • Anal Fingering
   • POV Ryland Grace
   • Erections
   • Guilt
   • Fluff and Smut
   • Oral Sex
   • Eridian Ryland Grace
   • Scissoring
   • Body Modification
   • Eridian Biology (Project Hail Mary)
   • Alien Sex
   • Switch Ryland Grace
   • Switch Rocky (Project Hail Mary)

   Summary

   Eridian scientists develop a new technology using Grace's stem cells to create a human body for Rocky to pilot "for science". Grace begins to feel some unwanted sensations as he gets used to his best friend's desire for physical affection while in the body of a hot guy.

   Language:

   English

   Words:

   7,467

   Chapters:

   2/2

   Comments:

   47

   Kudos:

   1,155

   Bookmarks:

   117

   Hits:

   12,366