Undertale
28 stories
(NSFW) Undertale One Shots by Undertail
(NSFW) Undertale One Shots
Undertail
  • Reads 124,118
  • Votes 1,210
  • Parts 5
NSFW one shots for Undertale. I take requests :P
UnderLust sans x Reader ( discontinued until further notice ) by killjoysUNITED16
UnderLust sans x Reader ( discontinued until further notice )
killjoysUNITED16
  • Reads 1,454
  • Votes 31
  • Parts 16
Umm I don't know how to describe it honestly but I hope it's good
Pomegranate by StarRoseColors
Pomegranate
StarRoseColors
  • Reads 5,986
  • Votes 201
  • Parts 2
Frisk's simple job of delivering a message for her mother to G, God of death, takes a dark turn.
Undermafia: Deadly (Sans X Frisk) by HarmonicalEcho
Undermafia: Deadly (Sans X Frisk)
HarmonicalEcho
  • Reads 15,870
  • Votes 572
  • Parts 9
"Hey, little pup?" "Sans, I'm 18 years old now. You don't have to call me 'little pup'" "What do you want me to call you then? 'Little boss'?" "Really? Sans, you just mixed the two names I don't want you to call me" "Oops, sorry..." "Just call me Frisk when Toriel and Asgore isn't around" Sans shrugged. "Sounds good enough for me" Sans has known Frisk for 10 years now. He and his brother, Papyrus, has been protecting her ever since, who knew she'd also become their boss. Watching Frisk grow up through the years, learning new things everyday, New enemies are coming for her, new obstacles started appearing, with everything popping up all at once, would they still be able to protect her? Sans have also grown strong feelings for her. But he didn't expect to meet his rival. And he's not gonna back down to some 'God of hyperdeath'. Will he win? WARNING: you're about to read a dangerous love story, be warned...
Indescribable Feeling (Yandere!Sans x female!Frisk) by sydneychiu
Indescribable Feeling (Yandere!Sans x female!Frisk)
sydneychiu
  • Reads 40,472
  • Votes 1,090
  • Parts 18
A skeleton with no emotion. A human who never had controlled themselves. There's something inside me,don't want to let this human go...... -Sans (Really slow update)
UnDEADiable Love (G!SansxFrisk) [completed] by skeleta_fella
UnDEADiable Love (G!SansxFrisk) [completed]
skeleta_fella
  • Reads 26,620
  • Votes 1,042
  • Parts 19
Frisk has fallen into the. . . Interesting world of the Underground. And being an anxious introvert does not help her in this situation. Until a certain skeleton comes and offers her a bit of help. Where will this story go? The cover art is by avedraws on Illustration ART Street. Credit to the original author of the Echotale universe, Yoralim. Credit to the original author of Undertale, Toby Fox. The events in this story are created by me, please do not steal.
Reapertale: The Reaper Finds Love by RiverSong1996
Reapertale: The Reaper Finds Love
RiverSong1996
  • Reads 38,716
  • Votes 1,324
  • Parts 35
Death or Reaper Sans was wondering around making his usual rounds when he happens upon Frisk. "Hey there kiddo. Aren't you a child of life?" "No, she raised me but I am unlike her. So she sent me away. I was dead and yet I am alive." <Looking for inspiration guys. I'll let you all know before I add a new chapter. Think I'm going to work on it a little offline. Needs some new structure I think.>
Mafiatale - An Eye For An Eye (SansxFrisk) by _fransfics_
Mafiatale - An Eye For An Eye (SansxFrisk)
_fransfics_
  • Reads 98,261
  • Votes 4,912
  • Parts 29
HERE IT IS! Mafiatale! NOT MY AU! My own version. SANSXFRISK They my OTP. I hope you like this story! Another Fransfic to go!
PET  |Underfell Sans x Frisk| ✓ by frannfrann7
PET |Underfell Sans x Frisk| ✓
frannfrann7
  • Reads 148,190
  • Votes 3,061
  • Parts 26
COMPLETED✓ Highest Rank #3 in underfell (May 14, 2018) Highest Rank #6 in sansxfrisk 11.19.18 Breaking the Barrier and free all Monster kind and welcome them. What if... The Skeleton friend has feelings for the Human and wanting her to himself? Becoming his.... PET Started: May 26, 2017 Ended: September 29, 2017
Immortality (R!SansxFrisk) [completed] by skeleta_fella
Immortality (R!SansxFrisk) [completed]
skeleta_fella
  • Reads 81,288
  • Votes 2,483
  • Parts 21
Frisk has fallen into the realm of the Gods, but she didn't expect to walk up on an interesting scene between Life and Death. Will she be able to stay alive after she leaves the comforting arms of Life? Will Death finally catch up with her? Reapertale AU belongs to Renrick. Cover image belongs to Undertale-AU-Centre (Deviant Art) and edits are done by me. Storyline belongs to me, please do not steal.