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~Surface~  [Sequel to "Why do you care"]          Human! Underfell Sans x Reader by melaniemoo2000
melaniemoo2000
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Fell was back.. And human?! People on the surface seemed to have lots of different opinions about monsters, and the girl who freed them. Is living a normal life even possible at this rate? [Cover art isn't mine]
~Why do you care~ [Underfell Sans X Reader] [•COMPLETED•] by melaniemoo2000
melaniemoo2000
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    Parts 51
Warning: possible swearing, inappropriate humour, perhaps lemons? Idk. Just stop being a goody two shoes and enjoy the book, kid
New toy { Underfell sans x reader (smut) } by hxneydrool
hxneydrool
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He's sick and twisted and you can't get enough of him. "You feel as if an invisible chain was wrapped tightly around your soul, and with its suffocating grip, it was connected to Sans, who was yanking you along with every step he took." ⚠️⚠️TW'S⚠️⚠️ force, pills, kidnapping, drugging, blood, HEAVY gore, abuse, and smut ⚠️Disclaimer!! This is NOT a love story⚠️ ~Inspired by Buffalo 66', Killing Stalking, and SOLYGBM~ cover not drawn by me! if anyone finds artist let me know so i can add credit!! °ʚ(*'꒳'*)ɞ°
Swapfell Sans x Reader LEMON by Coolskeleton123r4
Coolskeleton123r4
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    Parts 3
- Ah yes... you Fell down in Swapfell. Not knowing that you would encounter a strange monster named... Sans. - ( ART NOT MINE )
My dream came true [ Underfell Sans X Reader ] || COMPLETED by vittyannele
vittyannele
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    Parts 33
Best ranks: #8 in fanfiction; #1 in undertale; #3 in sans; It was all a dream.....or so you thought.. Edgy: bish how dare u say that was a dreem, it was true af, fite me on dis! *lowvoice* and what im batta do is even more true. *inserts lenny face*
Not All Monsters are Bad (UF! Sans x Experimented! Reader) by FandomFreak490
FandomFreak490
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You've been experimented by your own brother to see what could happen if he tried a monster DNA in a human, No one wants to get experimented by him so you decided you'll be his test subject but it went terribly wrong......
Uf papyrus x abused strong reader by Mysteryblue227
Mysteryblue227
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This is one of my first ever stories on wattpad sooo.....sorry if this sucks, but as a wise man once said enough chit chat time is candy, now stop reading this description and read the damn book
Underfell Papyrus x reader x sans by luke123jhonson123
luke123jhonson123
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This story will be kind of a love story but still harsh, anyway it will be set up as and X reader but you'll be kind of a humanoid tem (Overall you'll be a tem with your own name). Also there will be smut for the sinners. (P.S. Don't worry it's not a troll, I hate those.)
Loyalty | Baby Saja by halaziayeosaxg
halaziayeosaxg
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    Parts 26
❝𝐃𝐨𝐧'𝐭 𝐥𝐨𝐨𝐤 𝐚𝐭 𝐚𝐧𝐲𝐨𝐧𝐞 𝐞𝐥𝐬𝐞 𝐥𝐢𝐤𝐞 𝐭𝐡𝐚𝐭. 𝐈'𝐦 𝐣𝐞𝐚𝐥𝐨𝐮𝐬..❝ A Kpop demon hunters story Baby Saja x oc Rankings: #1 netflix #2 idols #2 abby #2 babysaja #2 mysterysaja #2 romancesaja #3 kpopdemonhunters #3 abssaja #3 rumi #4 sajaboys #5 fanfiction
My Two Masters (UF!Papyrus x Skeleton!Reader) by OreoDaSkeleton
OreoDaSkeleton
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Y/N's been traded and sold her entire life. She's learned firsthand that if you don't obey your master, you get hurt. If you force yourself to listen, you live another day. Monster trafficking is a popular thing down in this chaotic place. That's all she's ever known. Obey. Get a new master. Repeat. ... So why are these two so different? Hello, it's Writer~San!!!! Thanks for checking this story out. Just as a disclaimer, any art/undertale au presented is not mine! However, the story definitely is so enjoy!!!