Underswappapyrus Stories

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101 Stories

  • Charming. by justasamwich
    justasamwich
    • WpView
      Reads 312
    • WpPart
      Parts 4
    A reader/underswap papyrus fanfic! In the eight months since monsters had returned to the surface, a lot had changed for just about everyone. Little did you know that a certain monster would change your life. This continuation of an old story I wrote years ago! It's also titled Charming, and is on the account Mopiwx5 if you're interested in checking out the original, though I plan on making quite a few story changes.
  • Blueberry Sans X Chara by Hazefrost
    Hazefrost
    • WpView
      Reads 9,467
    • WpPart
      Parts 33
    Chara is a young human who has decided to live in the Underground with her skeleton friends Papyrus and Sans. What will happen when she finds out that one of those skeletons is crushing on her? (An Underswap fanfiction) This book has lemons, dirty children!
  • Void and Despair by kittyhittyrh98
    kittyhittyrh98
    • WpView
      Reads 1,373
    • WpPart
      Parts 9
    The Star Sanses decide to take some of their children out with them. Shine, Blueberry and Dream's child, is one of them. Shine is a little different than what you would expect from this pair... Shine is lets just say... "broken"... So what happens when they come across a Sans that is equally as broken? And is Shine actually starting to feel something? This was originally a rp done with my girlfriend.
  • Clumsy (Swap!Papyrus x Reader) by fanvoidkeith
    fanvoidkeith
    • WpView
      Reads 5
    • WpPart
      Parts 1
    A sweet but bumbling skeleton catches you when you fall, and asks you an important question during movie night.
  • Underswap papyrus x shy reader by Minepearl
    Minepearl
    • WpView
      Reads 5,570
    • WpPart
      Parts 1
    I hope ya like it and please comment as well
  • Been Here Since Ever {US!Papyrus × Reader} by x_golgothasTerror_x
    x_golgothasTerror_x
    • WpView
      Reads 10,721
    • WpPart
      Parts 6
    After a careless human throws their child into the world of monsters, a certain goat man named Asgore decides to take the child in as his own. But as this little human grows up, they want to explore. Meeting new friends can lead to some very crazy adventures, and some of those times can be horrible enough to destroy a new relationship
  • The More You Know by Do_You_L0VE_Me
    Do_You_L0VE_Me
    • WpView
      Reads 311
    • WpPart
      Parts 2
    Y/N is quite possibly the biggest Undertale fan there is. She knows just about every detail about almost every AU. On a completely normal Sunday, Y/N opened her laptop and begun to play the one and only Undertale. While walking throughout Snowdin, her game crashed. As she tried to log back in, she found that all the characters where gone. Their sprites we're just black glitches and the text wouldn't even come up. It was like everyone had disappeared. Confused, Y/N decided to just watch someone play it on YouTube. But as she searched, she couldn't find anything related to the game. She checked Instagram, Wattpad, Tumbler, everywhere, but it was as if the game itself never existed. Y/N Couldn't get any results for Toby Fox. She even called her best friend who was also a fan, and when she asked, her friend questioned what she was talking about. Blown away, she tried to open her game again, only to find it gone. All of her fan art she had drawn was replaced by empty papers, all the photos she saved were deleted. As one final test, she googled, "Mount Ebott" To her surprise, the same rumor about the mountain popped up without any trace of the game. Digging deeper, she searched the location of the mountain and found it to be right next to her city which had been renamed, "Ebott City". With adrenaline pumping through her veins and a fangirl pit in her stomach, she grabbed her shoes and ran all the way to the mountain. Just like every fanfiction she had ever read, a hole sat on top of the mound of land. Standing on the edge of the black abyss, she knew that if the rumor wasn't true, and neither was her theory, she would be dead. And even if she was correct about what was down there, if she didn't the SAVE and RESET button, she would die. Hell, she didn't even know what AU she was in. It could be horrortale for all she knew. But it was a risk that every Fangirl was willing to make. Her completely normal Sunday was about to get not so normal.
  • Life in a forest ( Au sanses x reader x au papyruses ) by Tr33Hollows
    Tr33Hollows
    • WpView
      Reads 35,215
    • WpPart
      Parts 13
    An au sanses x MONSTER reader x au papyruses? Papyri? A fanfiction, it is not self-indulgent. So if your just lookin for some fanfiction to put yourself in, here it is. :)
  • Correction of the future by Kemikawhizkali
    Kemikawhizkali
    • WpView
      Reads 2,994
    • WpPart
      Parts 14
    Before the events of Underverse begin, seven people disappear from their Multiverse. Dream, Error, Fresh, Stretch, Outer, Core!Frisk and Cross!Chara are trapped in a new world that they can't leave until they watch everything they're given. They get one chance and have to choose carefully what they change, for better or worse. --------------------------------------------------------------------------------------------------------------- Basically the characters watch Underverse, then XTale, then Underverse again, you get the idea
  • The Lies Unturned. (Depressed Underswap!Sans) by CheyExistsOnceAgain
    CheyExistsOnceAgain
    • WpView
      Reads 5,480
    • WpPart
      Parts 11
    [Previously known as "But He Never Showed It"] Sans has been hiding something lately.. Will Papyrus figure out what's really been going on before it's too late? (Art made by me, topics of depression and hints of suicide obviously.. Enjoy!)
  • Blueberry X Underswap papyrus  by PJXPJ111
    PJXPJ111
    • WpView
      Reads 4,409
    • WpPart
      Parts 3
    ooooo I ship this SOO COOL ENJOY
  • 𝘠𝘰𝘶𝘯𝘨 𝘑𝘶𝘥𝘨𝘦𝘴 | BTT and MHA Crossover by BlackRiver56
    BlackRiver56
    • WpView
      Reads 203
    • WpPart
      Parts 2
    ◈ ━━━━━━━ ⸙ ━━━━━━━ ◈ ✧⚊⟢➤ 𝗪𝗵𝗮𝘁 𝗮𝗻 𝗶𝗻𝘁𝗲𝗿𝗲𝘀𝘁𝗶𝗻𝗴 𝘄𝗼𝗿𝗹𝗱 𝘁𝗵𝗶𝘀 𝗶𝘀, 𝗶𝘀𝗻'𝘁 𝗶𝘁? ✧⚊⟢➤ Things are going as usual for the trio, but thighs suddenly change. They are now in a different world, where there is a different kind of humanity. Humans have magic, some have different appearances, different kinds of heroes and villains are around the world. Are they now free from the nightmare? ◈ ━━━━━━━ ⸙ ━━━━━━━ ◈
  • a golden cage is still a cage... (FINISHED)  by apparentlyiwr1te
    apparentlyiwr1te
    • WpView
      Reads 24,819
    • WpPart
      Parts 21
    Trapped. That was the best way to describe how Fell felt. Trapped. A brother who abused him. And friends who didn't care. Even people he thought he could trust turned out to be using him. If there was a way to escape, he would. And when the opportunity arises... Well, let's just say things get better for him. But for how long?
  • underswap papyrus X bitty lamia reader by Pagankittycat
    Pagankittycat
    • WpView
      Reads 21,546
    • WpPart
      Parts 8
    your name is Y/N. you are a lamia bitty. you lived in an inclosure in a pet store. one day a monster skeleton walks in and sees you hanging in your inclosure on a fake tree branch in your inclosure. he takes an interest in you and brings you home. read this book for more info!
  • The Honeycomb Archives by honeybunnybugg
    honeybunnybugg
    • WpView
      Reads 18
    • WpPart
      Parts 4
    In which you get a collection of shorts/drabbles/cutscenes that were not put into the main story for one reason or another. Different POVs, misadventures, alternative endings, Aus, original drafts, explorations, and the like
  • He Won't Hurt You Anymore  (Honeymustard) by DygSml
    DygSml
    • WpView
      Reads 985
    • WpPart
      Parts 1
    ((((Too lazy to make a description......)))) Abusive! Underfell Papyrus Depressed! Underfell Sans