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12 stories
One Choice (Nightmare!Sans x Reader x Dream!Sans) by TheLunarGem
TheLunarGem
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    Parts 19
You are a normal everyday girl but one day going to visit his grave you get transported to a new world. What will this world hold? In this fanfic you get to chose what happens from time to time, who will you chose? Who will die? Will you give them one chance? Do I even need to say it? Probably no lemons just no. Cover art by https://goo.gl/images/8SRDvg
30 day NSFW challenge! (Discontinued) by Fr3shy_S4ns
Fr3shy_S4ns
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    Parts 18
I'm doing it in order but probably not posting everyday... the ship is Nightcest!
(HIATUS) Guess I'm still not good enough. by Loverofyaoi22
Loverofyaoi22
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    Parts 9
(Suck at summaries.) (Art doesn't belong to me. It belongs to its artist!) Nightmare was abandoned by his boys and now he feels like theirs nothing left to live for. Going to Dreammtale, he goes to end his life but before he does he pours his life out to the trees remains about his feelings. He believes nothing will come about it, who ever fucking cared anyway? However by doing that, he reawaken the original guardian, his mother. She was never dead, she was dormant. Now she was going to protect her oldest and show him everything she should have done before before her cowardice and that stopped her and left her dormant in the tree.
King's Heir (A Dadmare fic) by WeirdLookingCat
WeirdLookingCat
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    Parts 24
Nightmare is a god. Not only is he a god but a king as well. A fair and just king at that. Despite being the most feared being in the multiverse he is surprisingly the opposite of what most would believe. They believe he is a cruel tyrant when the king is actually rather caring. The only problem with the king is that he doesn't have a heir, not like he would need one. That would soon change however, all thanks to a goddess. The Goddess of Fate.
Simpmare  [Errormare] by DahRadSkeleDude
DahRadSkeleDude
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    Parts 17
Nightmare is a simp for Error thats all ya need to know.. love at first sight? slowly falls into simpness? Will Error like him back? maybe..idk..read to find out Also Error is a semi-top while Nights is semi-bottom.. I put semi cause I don't see much of top Error and bottom Nightmare so it might be difficult for me to write them this way correctly with correct personalities and all °~°
Insomnia 60 Day Challenge (OTP) by Fallen_Pumpkin99
Fallen_Pumpkin99
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    Parts 62
I'm about to torture myself, enjoy
Poth OTP NSFW 30 Day Challenge by TheTexanAuthor
TheTexanAuthor
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(Cover by Jam_Painter) Palette and Goth, 30 Day NSFW challenge! All of the good things... ;)
Lurik/Fell!Poth 30 Day OTP NSFW Challenge by Roseen_Indigo
Roseen_Indigo
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    Parts 7
(Art Not Mine!) Hey everyone, Roseen Indigo here! Welcome to my 30 day OTP challenge! Lurik is obviously my OTP and since I love these 30 day OTP challenges, I figured why not give it a whirl. Now, I will say, I'm not the best at writing smut since it does make me slightly uncomfortable to write, but I already had idea's for the NSFW version, so I'm just gonna stick with it and try my best. Each day will be connected to make a story with plot and the development of Rurik and Lotus's relationship. I hope y'all enjoy!
Its not all bad~Nightmare sans x reader~ by shadowandblack
shadowandblack
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    Parts 16
Ever since you were young you would go to the tree that held the black and gold apples. You would never get close enough to touch it and neither would your friends. After all with all of the rumors that went around about how if people got to close to the tree they would disappear with out a trace. But as you got older your fear of it grew less and less until you would find yourself sitting under the tree on your days off to do random things like homework or reading. Heck you even fell asleep under It a few times. But as time goes on you begin to feel as if your being watched more and more along with a increase of you having nightmares as you sleep. I don't own the art that I will be using in this story. Nor did I make or help make undertale or dreamtale.
Broken Chains of Captivity (FGOD!Error) by WintxrCherryX
WintxrCherryX
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    Parts 7
Error has had enough of the torment and abuse he had went through, especially the newest stunt Ink had pulled. He had given up on the Multiverse in a fit of sadness and insanity. He originally planned to jump off to the void alone, but an unfortunate incident happened that caused him to have a certain light guardian fall in with him. Now, the two ends up in an entire different Multiverse, where the two must learn to face through the struggles that will come across them, while also try and live together. But it won't be so easy now, especially with all of the problems the light Guardian will have to fix regarding the glitch he had attempted to save. ((Trigger Warning: •Depression •Suicide •Insanity •Ink •Randomness •Possible mentions of cutting and blood •Cussing))