the Undertale Adventures

Reads 1,562
Votes 67
Parts 33
Time 3h 15m

Reads 1,562
Votes 67
Parts 33
Time 3h 15m

Mature

cheesy gaster mettaton monsterxhuman papyrus puns sans sansfanfiction sanslove sanslovestory sansxoc sansxreader underfell underswap undertale undertalelove undertalelovestory undyne

What, if you meet Sans and get a crush on him?
You two would move into the underground and experience some funny adventures together!
Get ready for: The Undertale Adventures 
~PibsAll Rights Reserved

cheesy gaster mettaton monsterxhuman papyrus puns sans sansfanfiction sanslove sanslovestory sansxoc sansxreader underfell underswap undertale undertalelove undertalelovestory undyne

Table of contents

33 parts

Content Guidelines

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Life in a forest ( Au sanses x reader x au papyruses ) by Tr33Hollows

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. :)

𝗦𝘁𝗿𝗮𝘆𝗲𝗱 𝘀𝗵𝗼𝗿𝘁 𝘀𝘁𝗼𝗿𝗶𝗲𝘀. - 𝗨𝗻𝗱𝗲𝗿𝘁𝗮𝗹𝗲 𝗔𝗨𝘀 by yourl0calw3irdo_z

𝘚𝘰, 𝘢𝘯 𝘜𝘯𝘥𝘦𝘳𝘵𝘢𝘭𝘦/𝘜𝘯𝘥𝘦𝘳𝘷𝘦𝘳𝘴𝘦 𝘧𝘢𝘯 𝘸𝘩𝘰 𝘯𝘦𝘦𝘥𝘴 𝘴𝘰𝘮𝘦 𝘩𝘦𝘭𝘱 𝘧𝘦𝘦𝘥𝘪𝘯𝘨 𝘵𝘩𝘰𝘴𝘦 𝘴𝘪𝘮𝘱𝘪𝘯𝘨/𝘣𝘳𝘢𝘪𝘯 𝘥𝘶𝘮𝘱 𝘥𝘦𝘴𝘪𝘳𝘦𝘴? I gotchu, bud. Your new name shall now be [Y/N]! Somehow that name attracts everyone... 𝚃𝚑𝚒𝚜 𝚋𝚘𝚘𝚔 𝚌𝚘𝚗𝚝𝚊𝚒𝚗𝚜: ✦ Oneshots/Drabbles ✦ Scenarios ✦ Headcanons

New Purpose (US!Papyrus x Female!Reader) by OreoDaSkeleton

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, absolutely innocent skeleton, smiling despite any given situation. However, Y/N finds out that Blue's wearing a different attitude outside of work. He's exhausted and working himself to the bone, using all he earns to pay for countless medical treatments and bills. He claims that they aren't for him, but keeps silent and won't give more details. Who's bills is Sans paying for and could Y/N find a way to help? **WARNING- Small Depressive episodes will be presented in this book. Read at your own consent.** Hello! It's Writer~San! None of the art/undertale au is mine, but the writing 100% is! Enjoy!!!

Forgotten Phoenix (New Purpose Sequel) by OreoDaSkeleton

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. Of course she missed Papyrus. There was no doubt about that. Though, she had to learn to accept his passing. Her sons did not... One of her sons soon makes a secret deal, causing the whole world to reset back in time. The family of three wakes up in the underground. Two family members are now in dire need of medicine. They resolve to find help, get medicine, and find a way out. That is, until a familiar face steps back into their life. AAAAA- HI! It's Oreo aka Writer~San! This is a SEQUEL to one of my books! SECOND! If you haven't checked the first (New Purpose), THEN yoU nEeD to STaRt thErE! XD Also, Undertale and its characters don't belong to me, and is rightfully owned by Toby Fox. All Underswap characters rightfully belong to their owner as well. The writing in this book, though, is completely mine! Please enjoy (owo)~🖤

You have lived in the underground for 4 months now, and had befriended the most adorable cinnamon roll ever, Sans. However, you couldn't help but to gain feelings for his brother, Papyrus, even if Papyrus pretty much hated you. Could you change his mind? Get him to fall in love with you? There was only one way to find out. Reader's gender is not specified! Also Papyrus doesn't smoke in this story, sorry if you wanted that! Credit to Dizplicity for the artwork! Please check them out, they're amazing! http://dizplicity.deviantart.com/

𝙻𝚘𝚟𝚎 𝚊𝚛𝚘𝚞𝚗𝚍 𝚝𝚑𝚎 𝚌𝚘𝚛𝚗𝚎𝚛 𝚜𝚝𝚘𝚛𝚎 by MerryJane8

(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 with an easy and mundane life of being the person behind the counter. Not that you hated burning both ends of the candle of serving customers, talking to the locals and restocking inventory. In fact, you would put it as just satisfactory. Sure it wasn't everyone's dream job to work in a simple corner store but, this was, in fact, a light tale of the misadventures of what a retail worker gets up to now and again. What more do you expect? Well, not a colourful set of skeletons setting foot in your store.

Don't Forget [Sans x Female Reader] by GabrielXander

You would think that with how shit your luck is, you would've been dead day one since falling into the Underground filled with scary monsters and a few spooky skeletons. However, much to your surprise, that did not happen (yet). You know how you ended up here, but you don't know... HOW. You're actually in the GAME Undertale now. And to make matters worse, there are some people who KNOW. You're surviving the best you can, but things are only going to get weirder from here on out. Gaster apparently needs your help? You're using the DJ to go to different AU's? You are gay now?- Okay, maybe that last one is just a joke, but still! You can only hope that your instincts are enough to keep you alive in these trenches. On God, they tryin' to drown you in this hoe! {Available on Patreon, Quotev, and Ao3 under GabrielXander}

DISCONTINUED

Cherryberry: Why Do I Like You?! by GriffinGirlElizabeth

Underfell! Sans(Cherry) and Papyrus(Boss) had gotten in serious trouble for almost shattering a innocent monster's soul. But Undertale! Sans(Sans) has a better idea than just sending Underfell Sans to Error!Sans(Error) in his private jail. Instead, Undertale! Sans decides to send Cherry to live with Underswap! Sans(Blueberry) and Papyrus(Orange) in Underswap. Can Cherry survive Underswap without killing anyone? Or will he fail and be sent to Error's prison in Errortale? And what happens when Cherry starts to grow feelings for the adorable person that is Blueberry?

Underlust sans x reader ( some lemons 🍋) by kirishimas_croc

All the monsters have been released from the underground but what happens when creatures full of lust meet some smexy humans Note: was originally inspired by written love on quotev BUT does contain a plot COMPLETELY different to it so if you have the audacity to comment about this READ THE FIC FIRST and then tell me it's similar to something you have read before

Life in a forest ( Au sanses x reader x au papyruses )

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. :)

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