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1. Use Your Words by Jannieisill

   Fandoms: In Space With Markiplier (Web Series)  

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

   15 Apr 2026

   Tags

   • No Archive Warnings Apply
   • Head Engineer Mark/Mack | Theory Crew (In Space With Markiplier)
   • Mack | Theory Crew (In Space with Markiplier)
   • Head Engineer Mark (In Space with Markiplier)
   • Anal Sex
   • Blow Jobs
   • Oral Sex
   • Trans Male Character
   • Hate Sex
   • Praise Kink
   • Trans Mack
   • No Beta
   • They hate each other but still respect each other
   • Yeah he gets ate out
   • Smut
   • bottom mack
   • Almost Caught
   • One Shot
   • Making Out

   Summary

   “Do you like that?” He gasps, and Mark realizes he's not really that good at dirty talk. Of course Mack likes it, with the noises he's making. That's another thing, he never took Mack to be a whiner. Mark tries not to touch the man any more than he has to, but it's hard, and he finds himself gripping the wall above Mack's bed, fingers spread across the metal, all so he doesn't have to dig his fingers into the second engineer's hips.

    

   Don't get Mark wrong, he still can't stand the guy.

   Language:

   English

   Words:

   4,813

   Chapters:

   1/1

   Comments:

   5

   Kudos:

   14

   Bookmarks:

   4

   Hits:

   84