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• If I Ever Fall in Love Again by bitterbirb

  Fandoms: Project Hail Mary (2026), Iron Lung (2026)  

  • Mature
  • No Archive Warnings Apply
  • M/M
  • Work in Progress

  11 Jul 2026

  Tags

  • No Archive Warnings Apply
  • The Convict | Simon (Iron Lung)/Ryland Grace
  • The Convict | Simon (Iron Lung)
  • Ryland Grace
  • Rocky (Project Hail Mary)
  • Adrian (Project Hail Mary)
  • Soulmates across Universes
  • their original soulmates in their original universe die
  • Simon rembers Grace but Grace is still trying to piece together his memories
  • The Convict | Simon Has Religious Trauma (Iron Lung)
  • slight mentions of homophobia
  • Internalized Homophobia
  • Eden is a Cult (Iron Lung)
  • based off of an idea from a tic tok and the song from Epic the musical
  • you know the one
  • they fall in love with each other over and over again
  • Other Additional Tags to Be Added
  • Hurt/Comfort
  • minor description of injuries
  • Amputee The Convict | Simon (Iron Lung)
  • Medical Inaccuracies
  • Simon is smart
  • Slow Burn
  • I'm going to give these characters so many issues
  • Phantom Limb Pain
  • Rocky Mate Bad as Hell
  • Touch-Averse Ryland Grace
  • Touch-Starved Ryland Grace
  • he both because of trauma
  • I give the aliens anxiety because I can
  • I mix the phm book lore and movie lore
  • Soft The Convict | Simon (Iron Lung)
  • Blood and Injury
  • no AI
  • me and the homies hate AI
  • Touch-Starved The Convict | Simon (Iron Lung)
  • They/Them Pronouns for Adrian (Project Hail Mary)
  • Implied/Referenced Character Death
  • Angst and Humor

  Summary

  Simon has to live with guilt of being partially responsible for killing those people, but he also has to live with the regret of not telling the one person that mattered most that he loved him.

  So imagine his surprise when waking up from what should've been his death to see Ryland alive and living on an alien planet that should not exist.

  --

  When Rocky and Adrian arrive at his home to tell him they found an extremely injured human floating in a literal scrap heap of poorly wielded metals, Grace can't believe it.

  Yet when he sees the other man something in is brain starts to hurt. Like he knows him already, but also like he shouldn't be here. Why does whenever he sees him his heart seems to ache?

  Or

  They end up falling in love again with the alternate universe version of their universe's soulmate that died.

  Language:

  English

  Words:

  21,011

  Chapters:

  7/?

  Comments:

  55

  Kudos:

  271

  Bookmarks:

  75

  Hits:

  3,183