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1. Membrane Labs Alien Reproduction Experiments #1 - Gaz by varia_l

   Fandoms: Invader Zim  

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

   13 Apr 2026

   Tags

   • No Archive Warnings Apply
   • Gaz/Zim (Invader Zim)
   • Gaz & Zim (Invader Zim)
   • Gaz (Invader Zim)
   • Zim (Invader Zim)
   • Sexual Experimentation
   • Tentacle Dick
   • Trans Female Character
   • Sexual Overstimulation
   • Coming Inside Someone
   • Alien Biology
   • Xenophilia
   • Asexuality Spectrum
   • Loud Sex
   • Alien/Human Relationships
   • Saliva
   • Aphrodisiacs
   • Temperature Play
   • Biting Kink
   • Pain Kink
   • Masochism
   • Crossdressing
   • Aged-Up Character(s)
   • Gaz & Zim Friendship (Invader Zim)

   Summary

   Gaz wants to know if she enjoys sex before she begins the treacherous path known as Crushes, so she asks the one being out there that would never have any true intentions towards her or get too attached.

   Zim thinks he might enjoy sex with humans a little too much after experiencing it for the first time.

   Series

   • Part 1 of Membrane Labs Alien Reproduction Experiments

   Language:

   English

   Words:

   3,271

   Chapters:

   1/1

   Comments:

   2

   Kudos:

   28

   Bookmarks:

   1

   Hits:

   583

2. Bookmarked by Endvoy

   20 May 2026

   Public Bookmark

   Bookmark Notes:

   interest