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14 stories
Pulling My Heartstrings (Undertale Au Smut) by NuggleKing
Pulling My Heartstrings (Undertale Au Smut)
NuggleKing
  • Reads 34,176
  • Votes 463
  • Parts 33
A book full of Sans x Reader and Sanscest smut oneshots, gonna be continued for a while and requests are allowed!
||Lies & Desires.||   by Desire1y
||Lies & Desires.||
Desire1y
  • Reads 10,412
  • Votes 414
  • Parts 20
((A Mafiafell/Underfell Sans x Reader.)) This story is called Lies & desires for a reason. Who could be lying, and who could have all that. . .desire. A man- No. That's not what he is. A monster was a better word for you to call him. A greedy and selfish mobster that will stop at nothing to get what he wants. But what if what he wants doesn't want him back? Let's see who pays the price. ((This book is also on A03))
experimento (ds!dream x nightmare og)  by Fernanmike
experimento (ds!dream x nightmare og)
Fernanmike
  • Reads 1,808
  • Votes 93
  • Parts 12
dream (dreamswap) era un abogado que quería pelear un orfanato donde supuestamente maltrataba a los niños huérfanos y tenía malas instalaciones, era obvio pues un abogado no puede hacer nada solo pero inesperadamente conocio a alguien que lo podría ayudar a mejorar ese orfanato Si no fuera por que uno de los dos tenía otras intenciones TW -incesto -asesinato -escenas delicadas -experimentos -obsesión -violación
Sanscest One-shot Volume 2 by NightDragon574
Sanscest One-shot Volume 2
NightDragon574
  • Reads 245,962
  • Votes 3,329
  • Parts 161
This is a continuous of my previous one-shot book. Like last time, One-Shots for any ships. Will do anything request, including •Angst •Fluff •Lemons •Crack May make into full books if wanted or feel inspired. All characters belong to original creators and Undertale belongs to Toby Fox
Alphatale: Infected's return...  by VictorGriffin0
Alphatale: Infected's return...
VictorGriffin0
  • Reads 82
  • Votes 2
  • Parts 2
5 years after the events of "the start of fatal" infected was brought back from the dead due to the corrupted conduit of life, this caused infected to return to cause mayhem! (NOT CANON TO OFFICIAL ALPHATALE) Alphtale by: shadikal15
Alphatale: The start of fatal by VictorGriffin0
Alphatale: The start of fatal
VictorGriffin0
  • Reads 278
  • Votes 10
  • Parts 5
A story about fatal error becoming more broken than he was before, now has to survive against anomaly's trying to destroy him (NOT CANON TO ALPHATALE) Alphatale by: SHADIKAL15
Show No Fear by Juniperlives43
Show No Fear
Juniperlives43
  • Reads 105,275
  • Votes 4,393
  • Parts 31
Aliza has created another reset only this time she isn't facing the horror house alone. He older sister has joined her, however her older sister doesn't seem to be able to show fear. What would happen when Sans meets her? How is she there? *Art and alternate Sanses or undertake universe I guess, belong to their rightful owners!*
Ghost Stories (A Sanscest Story) by carelesscreativity
Ghost Stories (A Sanscest Story)
carelesscreativity
  • Reads 414,437
  • Votes 21,389
  • Parts 93
Nightmare, go to school, they said. Nightmare, it will be FUN, they said. What a load of crap. Nightmare isn't buying any of it. His brother's loved and he is feared. When invited to go on an outing while weakened that leads to some supernatural involvement, Nightmare meets someone that will change his life. The problem? For better or for worse? That's a joke. His life can't possibly get any worse. Ships: Crossmare Errink Kreme Dustberry Afterdeath Horrorlust
Can it be love ? (Break) by readsrealm
Can it be love ? (Break)
readsrealm
  • Reads 8,912
  • Votes 312
  • Parts 20
Yeah so.... Nightmare has depression because of his past and it's not over his father calls him and dream to the kingdom .his gang and blue and ink come too Dream do anything in order to the the father hates nightmare more that he already does. Suddenly he met someone dream from another Au First they hates each other but something change Will nightmare become his true happing ending? I did the picture on picrew so yeah
𝑩𝒚 𝑯𝒊𝒔 𝑺𝒊𝒅𝒆 ✧ 𝑵𝒊𝒈𝒉𝒕𝒎𝒂𝒓𝒆 𝑺𝒂𝒏𝒔 by chaesteria
𝑩𝒚 𝑯𝒊𝒔 𝑺𝒊𝒅𝒆 ✧ 𝑵𝒊𝒈𝒉𝒕𝒎𝒂𝒓𝒆 𝑺𝒂𝒏𝒔
chaesteria
  • Reads 121,558
  • Votes 3,478
  • Parts 21
We saved each other. I saved him on the verge of dying, while... he saved me from loneliness. When I met him, I finally found my meaning, I found my happiness, and I found what I was missing. He gave me a purpose, and gave me my freedom. That's all that matters... My life was rather boring and dull. Being a princess wasn't so fun after all. I don't want the throne nor do I want to be powerful. I just wanted to live normally and be free! Free to make a decision of my own, free to choose what path I want, and free to love someone I desire. I knew life wouldn't be that easy on me. When I met a certain black skeleton laying on my garden... well maybe my life isn't so bad after all. [Be warned that the grammar is slightly shit since I'm too lazy to actually edit it] •art credit is @1530ry_3. You can find them on twitter! •highest rank #64 undertale <3