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1. Surprise Guppy by Tabula_Smaragdina

   Fandoms: Transformers - All Media Types, Transformers One (2024), Subnautica (Video Game)  

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

   30 May 2026

   Tags

   • No Archive Warnings Apply
   • Sentinel Prime/Zeta Prime
   • Orion Pax
   • Zeta Prime
   • Sentinel Prime (Transformers)
   • Reaper Leviathan!Sentinel
   • Glow Whale!Zeta Prime
   • Hybrid!Orion Pax
   • But He Looks More Like a Reaper Leviathan
   • Orion Pax is a Zetasen baby
   • Alternate Universe - Subnautica Fusion
   • Carrier Sentinel
   • Mpreg | Male Pregnancy
   • Made Rating Mature Due To The Brief Birth Scene And Other Themes
   • Some of the Leviathans are Mers some aren't

   Summary

   Sentinel is in for a surprise when the tiny thing he holds in his arms explains the irregularities he'd experienced over the past few months. Regardless of receiving one hell of a surprise, the pair welcomes it with open arms.

   —OR Sen didn't know his ass was carrying until he popped out a pup HAHAHAHAHAHA

   Series

   • Part 1 of Subnautica AU

   Language:

   English

   Words:

   2,212

   Chapters:

   1/1

   Comments:

   2

   Kudos:

   125

   Bookmarks:

   5

   Hits:

   1,091