Adult Content Warning

This work could have adult content. If you continue, you have agreed that you are willing to see such content.

• Yes, Continue
• No, Go Back

If you accept cookies from our site and you choose "Yes, Continue", you will not be asked again during this session (that is, until you close your browser). If you log in you can store your preference and never be asked again.

1. Martian and Facty practice measurements by SpaceFactsBiggestFanEVER

   Fandoms: Fact Attack Adventures (Web Series)  

   • Mature
   • Creator Chose Not To Use Archive Warnings
   • M/M
   • Work in Progress

   26 Aug 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Martian/Facty
   • Martian (Fact Attack Adventures)
   • Facty (Fact Attack Adventures)
   • Lightbulb (Fact Attack Adventures)
   • Trans Male Character
   • Vaginal Sex
   • they/them for all characters
   • Authors first time writing smut
   • Implied Facty x Lightbulb
   • Jealousy
   • Threesome - M/M/M
   • Sexual Overstimulation
   • Overhearing Sex
   • Alien Biology
   • Alien/Human Relationships
   • Headcanon Personalities
   • Mischaracterization Probably lol

   Summary

   Martian tries measuring their dick but forgot the ruler like a idiot(jk i love them) so facty helps!! Yippee!!

   Language:

   English

   Words:

   1,268

   Chapters:

   1/2

   Comments:

   19

   Kudos:

   175

   Bookmarks:

   12

   Hits:

   1,915