Underswappapyrus Stories

102 Stories

Hero Time Trio (Bad Time Trio X BNHA) (On Hold until I could think of an ending) by ShadowChaser936
#1
Hero Time Trio (Bad Time Trio X BN...by Shadowchaser of Unitrex
Bad Time Trio meets BNHA Disclaimer: I do not own BNHA, Or Undertale, or any of the AU or any of the pictures showed
New Purpose (US!Papyrus x Female!Reader) by OreoDaSkeleton
#2
New Purpose (US!Papyrus x Female!R...by ~Oreo~
Y/N, meets a new coworker that changes her life forever. A monster, doing his best to make a living after moving out of the underground. Sans is this ecstatic, cheerful...
Dustprint (Reboot) by adamabyss12
#3
Dustprint (Reboot)by adamabyss12
This is just a reboot of a previous version of Dustprint I deleted due to how stuck it made me. Unlike before, where he kills his own father to stop the human, he is bor...
𝙻𝚘𝚟𝚎 𝚊𝚛𝚘𝚞𝚗𝚍 𝚝𝚑𝚎 𝚌𝚘𝚛𝚗𝚎𝚛 𝚜𝚝𝚘𝚛𝚎 by MerryJane8
#4
𝙻𝚘𝚟𝚎 𝚊𝚛𝚘𝚞𝚗𝚍 𝚝𝚑𝚎 𝚌𝚘�...by Bitxhy
(ᴠᴀʀɪᴏᴜs sᴀɴs ᴀɴᴅ ᴘᴀᴘʏʀᴜs ᴀᴜs x ʀᴇᴀᴅᴇʀ) ||ᴀɴᴅ ᴛʜᴇɴ ɪ ɢᴏ ᴀɴᴅ sᴘᴏɪʟ ɪᴛ ᴀʟʟ ʙʏ sᴀʏɪɴɢ sᴏᴍᴇᴛʜɪɴɢ sᴛᴜᴘɪᴅ ʟɪᴋᴇ "ɪ ʟᴏᴠᴇ ʏᴏᴜ."|| Life was merciful enough to grace you...
Becoming papyrus from underswap  by KarmaAkabane425
#5
Becoming papyrus from underswap by Karma Akabane
What if someone became papyrus from underswap? What if they gave their brother more freedom? What if they were the one that error kidnapped instead of sans? (Things wil...
Forgotten Phoenix (New Purpose Sequel) by OreoDaSkeleton
#6
Forgotten Phoenix (New Purpose Seq...by ~Oreo~
It's been a few years since Y/N started her family. Without Honey, she made due with what she had; that being the cafe, her brother-in-law Blue, and her two twin sons. O...
Bone of Contention (Underswap Papyrus X Reader) by TheIndianaCrew
#7
Bone of Contention (Underswap Papy...by Indie
Humanity is divided over one thing---the Monsters' reappearance. Some believe that they should stay aboveground, and others think that they should be sent back to where...
My Love [Yanberry x Reader] by Fandomz_Fanboy
#8
My Love [Yanberry x Reader]by Remus Hisahoshi
You are locked below ground where nobody can find you. Chained to a wooden post in a dark, cold room. You are left with no memory and pain all over. You are left there f...
The Last One - Error!Izuku AU by Crosoxon
#9
The Last One - Error!Izuku AUby Crosoxon
"There IS worse fate than death" The cover isn't mine. Just a few warnings: -boyxboy -girlxgirl(maybe?) -blood -su¡cide(kinda) -death
Life in a forest ( Au sanses x reader x au papyruses ) by Tr33Hollows
#10
Life in a forest ( Au sanses x rea...by G-racie
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...
Bad Time Trio VS Reader - Fine by GhostXR
#11
Bad Time Trio VS Reader - Fineby GhostXR
The three of them met people they had never seen before, and at the same time, they were all killed by him. When they have clear consciousness, they are all in the same...
The Lies Unturned. (Depressed Underswap!Sans) by CheyExistsOnceAgain
#12
The Lies Unturned. (Depressed Unde...by Chey Kennedy
[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...
"чσu'rє mínє" (HoneyMustard) by ratcooned
#13
"чσu'rє mínє" (HoneyMustard)by Noah
This Is A Fan Fic For My Favorite Undertale AU Ship Honey Mustard! (US!Papy x UF!Sans) -Disclaimer- UnderSwap Papyrus and UnderFell Sans do not belong to me. UnderSwap P...
Underswap Papyrus x Depressed! Reader  by Glitch_girl17
#14
Underswap Papyrus x Depressed! Rea...by Gay Trash
The title says it all. Sorry this is my first book so it's probably a piece of crap. Will contain mature content. Such as, swearing, abuse, general violence.
Completed
Diary of a Chara by TeradoraShadowRaven
#16
Diary of a Charaby Teradora ShadowRaven
The multiverse collapsed, Ink, Error, Dream and Nightmare are missing. A Chara travels to another multiverse in search for answers. ( I'm bad at descriptions) Cover dra...
UnderSwap Papyrus x Girl!Reader! - What is this feeling? - {DISCONTINUED} by _Daddy_Pina_Coladas_
#17
UnderSwap Papyrus x Girl!Reader...by IF YOU LIKE PINA COLADAS!!!
Edit: I'm sorry but this book is discontinued. I lost interest in this book and I couldn't do anymore chapters. I'm sorry but I'll maybe put some chapters in at time to...
Frisk In Underswap by CuteLittleItalian6
#18
Frisk In Underswapby CuteLittleItalian6
What happens when a shortcut goes wrong and Frisk ends up in another universe? Will she be safe and more importantly will she get back home? Read and find out! (This st...
Papy's New Bitty by Thefangirlsfan
#19
Papy's New Bittyby Thefangirlsfan
US Pap gets a Bitty! Blueberry is always the one who gets one, so I'm determined to write one with Pap! Stretch (US Pap) goes out on a walk for a good smoke. On his walk...
My True Love Is Spicy (Yet Sweet) by NotTheCookie
#20
My True Love Is Spicy (Yet Sweet)by NotTheCookie
The legend says that love happens in an instant, and the binds between souls is stronger than anything. But what if your soulmate, wasn't who they should be? What if you...