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1. Plus One by SpyroForLife

   Fandoms: Invader Zim  

   • Explicit
   • No Archive Warnings Apply
   • Multi
   • Complete Work

   23 Apr 2026

   Tags

   • No Archive Warnings Apply
   • Invader Skoodge/Zim
   • Dib/Invader Skoodge/Zim
   • Zim (Invader Zim)
   • Invader Skoodge (Invader Zim)
   • Dib (Invader Zim)
   • One Shot
   • Smut
   • Threesome - M/M/M
   • Alien Sex
   • Alien/Human Relationships
   • Adult Dib (Invader Zim)
   • Alien Biology
   • Blow Jobs
   • Anal Sex
   • Top Invader Skoodge
   • Top Zim (Invader Zim)
   • Bottom Dib (Invader Zim)
   • Spitroasting
   • Plot What Plot/Porn Without Plot

   Summary

   Zim and Skoodge are happily mated, but wanting to spice things up a little, Skoodge suggests inviting someone else over. Though unsure at first, Zim is intrigued by the idea and agrees. And thus Dib is invited to an alien threesome! How could he possibly say no?

   Language:

   English

   Words:

   6,816

   Chapters:

   1/1

   Comments:

   4

   Kudos:

   4

   Bookmarks:

   1

   Hits:

   137