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1. Prebiotic Chemistry by typical_girls

   Fandoms: Marvel Cinematic Universe, Iron Man (Movies), Andy Weir's Project Hail Mary - All Media Types, The Fall Guy (2024)  

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

   02 Aug 2026

   Tags

   • No Archive Warnings Apply
   • Ryland Grace/Tony Stark
   • Ryland Grace & Colt Seavers
   • Ryland Grace & Rocky
   • Ryland Grace & Rocky & Tony Stark
   • Adrian & Ryland Grace & Rocky
   • Ryland Grace
   • Tony Stark
   • Rocky (Project Hail Mary)
   • Adrian (Project Hail Mary)
   • Colt Seavers
   • continuation of Shock Chemistry
   • Smut
   • baby’s first smut
   • Alternate Universe - College/University
   • Ryland Grace and Colt Seavers are Twins
   • Frottage
   • Dry Humping
   • Drunk Sex
   • Making Out
   • One Night Stands
   • Or Is It?
   • tony stark yearns
   • Men Whimpering
   • what who said that
   • down bad tony stark
   • why are these not tags
   • love at first fuck
   • POV Alternating
   • Human Rocky (Project Hail Mary)
   • i love Rock!tiz but Rocky is afro-latino in my hcs
   • No beta we die like Yao and Ilyukhina
   • Inspired by an Olivia Rodrigo Song
   • Song: ballad of a homeschooled girl (Olivia Rodrigo)
   • Banter as Foreplay

   Summary

   Prebiotic Chemistry: The study of the chemical processes that transformed simple, non-living organic molecules into self-replicating, life-sustaining structures on the early Earth.

   Or: In which Tony Stark sees a pretty boy at a party in the week MIT is hosting their annual club mixer event and transforms a simple one night stand into the beginnings of a very bad idea.

   Series

   • Part 2 of college exes irongrace

   Language:

   English

   Words:

   12,265

   Chapters:

   2/2

   Comments:

   18

   Kudos:

   208

   Bookmarks:

   17

   Hits:

   2,077