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1. 'A' Stands For Ectodick by LazySintastic13 (EmeraldWriter) for whitecreamie

   Fandoms: Undertale (Video Game)  

   • Explicit
   • Creator Chose Not To Use Archive Warnings
   • M/M
   • Complete Work

   24 Mar 2023

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Sans/Sans (Undertale)
   • Undertale Sans/Underfell Sans - Relationship
   • Sans (Undertale)
   • Underfell Sans (Undertale)
   • Mildly Dubious Consent
   • Ecto-Genitalia (Undertale)
   • Ecto-Penis (Undertale)
   • Ecto-Tongue (Undertale)
   • Dirty Talk
   • Slut Shaming
   • Alternate Universe - Roommates/Housemates
   • For Science!
   • Vaginal Sex
   • Oral Sex
   • Dubiously Consensual Blow Jobs
   • Overstimulation
   • Cervix Penetration
   • Sexual Experimentation
   • Science Lab
   • some teasing

   Summary

   Red decided to explore an interesting topic for his research project, one that Sans was more than willing to lend a hand. After all, it's for SCIENCE!

   Oh the lengths one needed to go through for their research.

   Language:

   English

   Words:

   3,072

   Chapters:

   1/1

   Comments:

   5

   Kudos:

   139

   Bookmarks:

   14

   Hits:

   2,264