Undertalesans Stories

when the monsters finally get to the surface, what happens when sans is abandoned? when his friends start to not really notice him, a horrible feeling of loneliness sets...

Mainly what the title says. Lots of Sans, ton of SANS, Undertale sans, undefell sans, ALL THE SANS. BUT WITH A CHUBBY READER. WHHHAAAAT I KNOOOOW. READ FOR THE FLUFF...

--Long ago, two races ruled over Earth-- --HUMANS and MONSTERS-- --One day, war broke out between the two races-- --After a long battle, the Humans were victorious-- --T...

Moved from AO3 because of reasons! "You are the only maid (or worker in general) that serves for the Skeletal Household. It's a skele-ton of work, but you manage by...

After the disappearance of Y/n, Sans decides to head out into the multiverse and find them before it's too late. Nightmare remains a formidable enemy as Cross is pulled...

After unexpected events land Sans into the hands of the elusive ninja turtle brothers, he learns of the Kraangs evil plan involving him and his brother. (Completed Decem...

[Highest Rank: #1 in "sans"] [Second Highest Rank: #18 in "xreader"] (Girls only!) (Earlier updates are on my Quotev account!) WARNING: Profanity a...

Monsters are now free to roam the surface, though it wasn't exactly the kind of freedom they were looking forward to as humans discriminate and restrict them from coexis...

Warning this contains suicidal thoughts. If you're sensitive to that sorta stuff I don't recommend reading this.

Since there is no or any "bonely hearts club x female reader" I will be the first one to do it... so I hope you enjoy this book.

Everything was normal in Nightmares castle. All the 'Bad sanses' were doing their thing. Well, what happens when they decide to question Nightmares mysterious past and s...

𝐍𝐢𝐠𝐡𝐭𝐦𝐚𝐫𝐞 𝐡𝐚𝐬 𝐠𝐫𝐨𝐰𝐧 𝐢𝐧𝐬𝐚𝐧𝐞. 𝐇𝐞 𝐧𝐨 𝐥𝐨𝐧𝐠𝐞𝐫 𝐞𝐱𝐢𝐬𝐭𝐬. 𝐈𝐭 𝐜𝐚𝐮𝐬𝐞𝐬 𝐦𝐚𝐧𝐲 𝐭𝐨 𝐟𝐞𝐞𝐥 𝐞𝐦𝐩𝐭𝐲 𝐚𝐧𝐝 𝐥𝐢𝐭𝐭𝐥𝐞 𝐦𝐨𝐧𝐬�...

a golden soul so a exceptionally rare soul that provides great power but comes at a price most monsters thinks the golden soul is a myth but what happens when a monster...

this is about sans x male reader wich is kinda fun to do soo plz enjoy

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...

⤷ 𝖋𝖊𝖑𝖑𝖘𝖜𝖆𝖕 𝖌𝖔𝖑𝖉 𝖘𝖆𝖓𝖘 𝖝 𝖗𝖊𝖆𝖉𝖊𝖗 ! ❝ (n.) 1. wild noisy disorder and confusion 2. the abode of allevil spirits; hell. ❞ ─── 𝘩𝘰𝘸 𝘥𝘦𝘴𝘱𝘦𝘳𝘢𝘵...

The secret love life of Sans and Toriel. ... It was a beautiful day outside, birds were singing, flowers were blooming. On days like these I would be taking my daily nap...

One day, Sans fell sick. His sickness came out of nowhere and it cannot be cured no matter how many medicines Gaster gave him. Because of the sickness, Sans stayed still...

BTW, In this story, Frisk will be a girl. And Frisk is a houseguest, not known as their brother. K? k. Undertale belongs to Toby Fox, this story belongs to me, you belon...

Random scenarios of Sans and the reader (You). These are mostly sad, weird, or full of fluff that it can give you a toothache. Still no fluff at the moment, so forgive m...