Undertale
138 stories
Revelation  by Iightshadow
Iightshadow
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The star sanses see their secrets discovered little by little by the bad sanses. The characters are not mine, only the story.
Fallen star sanses  ( Sans AU story) by Lemon_tarty
Lemon_tarty
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They were fighting again. Killer was hit and has blacked out. I don't know what to do. what's the best choice? should i help my team? should i run? i don't know..But maybe i can find out...
]Sanscest Oneshots[ by Leffee
Leffee
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If everything went well - a bunch of oneshots with a bunch of ships. Rules and requests inside. Also please don't leave any suggestive comments, there's a reason why this book doesn't have lemons (aka I'm sex repulsed). (Cover belongs to heartkillers on tumblr)
US sans x UF grillby (COMPLETED!) by DreamEaterArts
DreamEaterArts
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there are four timelines together(they live in peace on the surface.) underswap, underfell,swapfell and undertale timelines. by this story I about sans and grillby. ok so hear. it's a cold winter day and theres a massive blizzard and sans doesn't make it home freezing out In the cold . he makes it to grillbys the closest place in the snow storm. where he collapsed from exhaustion and hypothermia. he then saved by grillby and now sans had to wait for the storm to pass while spending his time with the most sexual monster in the timelines maybe not the most anyway how will this play out?
Tibia honest you look hot by Kat-FISH
Kat-FISH
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This is not a once upon a time story and it might not end with a happily ever after because one day sans admits his true feelings towards grillby. They end up hanging out together until things go wrong. Evil has leaked into the peaceful underground haven and might break the two lovers apart. What ever could they do? You'll have to read to find out! ;) WARNING: this has one chapter where it is a slight detailed lemon, you have been warned. looks at genres, "is there any that say, gay love is in the air? no? ok."
The Heat of a Soul by GLitCH_the_ViRuS
GLitCH_the_ViRuS
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Sans has always been able to remember past timelines, for as long as he could remember. Never before has he been able to find a monster to confide in, to relieve the pain that echos through his mind at night, the memories that swallow him whole and torment him in his everyday life. That is, till now. (that was a lame description..) Undertale =Toby Fox Credit to original artist of cover, its freakin' adorable. I'm still smiling looking at it.
Stuck Together {On Hiatus} by innocent_potato
innocent_potato
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Error kidnaps the original Blue. Blue helps Error overcome his insanity and becomes Error's first-ever friend. Error eventually lets Blue go with his human's soul in order to reset his timeline, because he was starting to turn into a glitch. What Error didn't know, however, was that Blue had sustained some glitches in his system that fuses him together with Error once Chara resets. Current no. of chapters - 4 Started - 23rd March 2020 Published - 25th March 2020 Finished - ??? [This book does not ship Errorberry. Purely platonic. This book will probably be ship-free.] [Concept of FGOD! Error belongs to harrish6] [Partially inspired by Ties of Blue by Firehedgehog and FGOD Error: THE LAST LAUGH by Weebyhumanbean] {Cover is by me, please do not use without permission}
The Other Side by MistraltheSkelegirl
MistraltheSkelegirl
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Shattered Dream had been having to deal with the fallout of his decision to eat the corrupted apple. His brother had vanished (he suspected Ink, in an effort to "prevent Nightmare from going back to his old ways"), the Star Sans were constantly trying to capture him, etc, etc. He was just about to give up, f he was being honest. But what happens when he finds someone new? What happens when he finds another reason to fight?
Crazily In Love! (AU Sanses X Classic Sans) Under Editing by HetaliaxJapan09
HetaliaxJapan09
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Ink and the other sanses were just having their meeting when suddenly they were pulled in to a portal. When they woke up all of them were all tied up. They tried to use their powers but , it seems the one that captured them put magical hand-cuffes to block their magic. They looked around and saw a tall figure standing in the darkness. Who was the one thats standing in the dark? Who will save them? Where did they end up? Please read the story to answer these questions! The other sanses haven't met the original yet but they all heard of him. (Reminder: all of the sanses are in love with classic.)
Sanscest Shots&Lemons (Request paused) by RainbowFluff24
RainbowFluff24
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(Nightmare and Dream belong to Joku {dreamtale} - have to put this since Joku asked everyone) Just a book of Sanscest. you know the deal... gonna be filled lots of au ships... some fluffs, maybe angst, limes, smut/lemons... lovely huh? Remember all of these will be AUs so things problem won't add up to real information... You should know by it being a sanscest book though... Also helps with writer block...