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1. oh, your mask is slipping by orphan_account

   Fandoms: Undertale (Video Game)  

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

   12 Feb 2021

   Tags

   • No Archive Warnings Apply
   • Sans/Sans (Undertale)
   • Dreamtale Nightmare Sans (Undertale)
   • Errortale Sans (Undertale)
   • Errortale Sans/Dreamtale Nightmare Sans (Undertale)
   • Self Confidence Issues
   • Empath Nightmare
   • Ecto-Genitalia (Undertale)
   • Ecto-Breasts (Undertale)
   • Ecto-Vagina (Undertale)
   • Ecto-Penis (Undertale)
   • Nipple Play
   • haha ao3 tags go brrrr

   Summary

   “D-do you r-really think-k-k-k-k -” There’s a clicking sound as Error crashes, though he’s back up so quickly that Nightmare barely registers the REBOOTING bar above his head. “Who th-the fuck l-laughed a-at you?!”

   “No one who’s still alive,” Nightmare assures him bitterly.

   Language:

   English

   Words:

   2,245

   Chapters:

   1/1

   Comments:

   3

   Kudos:

   441

   Bookmarks:

   37

   Hits:

   6,193