Archive of Our Own

Recent works

• TSDS NSFD(dave) Ficlets by Bnuuybun24, Number_1_failure

  Fandoms: The Seven Deadly Skeletons - Fandom, Undertale (Video Game), The Seven Deadly Skeletons (TSDS)  

  • Explicit
  • No Archive Warnings Apply
  • F/M, Gen, M/M, Multi
  • Work in Progress

  25 May 2026

  Tags

  • No Archive Warnings Apply
  • Sans/Sans (Undertale)
  • Sans (Undertale)/Reader
  • Sans (Undertale)/Original Male Character(s)
  • Sans (Undertale)
  • Underswap Sans (Undertale)
  • The Seven Deadly Skeletons
  • tsds
  • Mild Hurt/Comfort
  • Fluff
  • Killer Sans (Undertale)
  • Dreamtale Nightmare Sans (Undertale)
  • Horrortale Sans (Undertale)
  • Alternate Universe - Swapfell (Undertale)
  • Alternate Universe - Underfell (Undertale)
  • Dusttale Sans (Undertale)
  • Transgender Characters
  • Transmasculine Reader-Insert
  • POV Second Person
  • Reader-Insert
  • Gender-Neutral Reader-Insert
  • Cis Male Reader-Insert
  • Unhealthy Coping Mechanisms
  • Drug Abuse
  • Self-Harm
  • Smut
  • Pegging
  • Strap-Ons
  • Puppy Play
  • Praise Kink
  • Original Character(s)

  Summary

  fics i probably cant put in the discord server :D

  Series

  • Part 2 of tee ess dee ess

  Language:

  English

  Words:

  7,834

  Chapters:

  8/?

  Kudos:

  12

  Hits:

  648

• TSDS SFW Ficlets by Number_1_failure

  Fandoms: Undertale (Video Game), The Seven Deadly Skeletons - Fandom, The Seven Deadly Skeletons (TSDS)  

  • General Audiences
  • No Archive Warnings Apply
  • Gen
  • Work in Progress

  27 Jan 2026

  Tags

  • No Archive Warnings Apply
  • Sans (Undertale)/Reader
  • kind of - Relationship
  • Sans (Undertale)
  • Underswap Sans (Undertale)
  • The Seven Deadly Skeletons
  • tsds
  • Mild Hurt/Comfort
  • Fluff
  • Killer Sans (Undertale)
  • Dreamtale Nightmare Sans (Undertale)
  • Horrortale Sans (Undertale)
  • Alternate Universe - Swapfell (Undertale)
  • Alternate Universe - Underfell (Undertale)
  • Dusttale Sans (Undertale)
  • Transgender Characters
  • Transmasculine Reader-Insert
  • POV Second Person
  • overstimulation (not the sexy kind)
  • Reader-Insert
  • Gender-Neutral Reader-Insert
  • POV First Person

  Summary

  I made this for a discord server im in, which is made for a bad sans dating sim that is currently in development. Figured i might post it on here as well.
  killer - shiv
  horror - brute
  dust - glare
  swapfell - vile
  fell - shark
  swap - flint
  nightmare stays nightmare

  Btw if you're interested in this the developer has a Tumblr she posts art n stuff on and it has the discord link too
  https://www.tumblr.com/moonphuzz

  Series

  • Part 1 of tee ess dee ess

  Language:

  English

  Words:

  3,322

  Chapters:

  7/?

  Comments:

  3

  Kudos:

  9

  Hits:

  196

• wee woo poly by Number_1_failure

  Fandoms: Undertale (Video Game), The Seven Deadly Skeletons - Fandom  

  • Teen And Up Audiences
  • No Archive Warnings Apply
  • Multi
  • Complete Work

  05 Jan 2026

  Tags

  • No Archive Warnings Apply
  • Sans (Undertale)/Reader
  • Reader
  • Flint - swap sans
  • vile - swapfell sans
  • drugs ooo
  • crossfading
  • dont do drugs kids
  • Alcohol
  • dont do that either

  Series

  • Part 9 of tee ess dee ess

  Language:

  English

  Words:

  756

  Chapters:

  1/1

  Kudos:

  1

  Hits:

  54

• Tits by Number_1_failure

  Fandoms: Undertale (Video Game), The Seven Deadly Skeletons - Fandom  

  • Teen And Up Audiences
  • No Archive Warnings Apply
  • M/M
  • Complete Work

  05 Jan 2026

  Tags

  • No Archive Warnings Apply
  • Sans (Undertale)/Reader
  • Underfell Sans - Character
  • Swapfell Sans - Character
  • Reader
  • uhh tits
  • Making Out
  • trans reader - Freeform
  • im gay
  • And trans
  • gay people
  • trans people
  • trans masc
  • the skeleton doesnt really understand human insecurities

  Series

  • Part 8 of tee ess dee ess

  Language:

  English

  Words:

  927

  Chapters:

  1/1

  Kudos:

  9

  Bookmarks:

  1

  Hits:

  143

• This is lowkey so cringe but here by Number_1_failure

  Fandoms: Undertale (Video Game), The Seven Deadly Skeletons - Fandom  

  • Teen And Up Audiences
  • No Archive Warnings Apply
  • M/M
  • Complete Work

  05 Jan 2026

  Tags

  • No Archive Warnings Apply
  • Sans (Undertale)/Reader
  • Sans (Undertale)
  • Underswap Sans - Character
  • Reader
  • hanky code
  • gay people
  • idk man

  Series

  • Part 7 of tee ess dee ess

  Language:

  English

  Words:

  1,219

  Chapters:

  1/1

  Hits:

  42