Undertalesans Stories

--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...

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

The king of hell (fell sans) saw a new monster in the after life, an angel (classic sans). Though he was in hell he still wants someone to love. So how does he make clas...

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...

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...

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...

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...

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...

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

This is a medieval AU, where Classic is a prince of a kingdom, while Red is a thief/bandit in the Kingdom Classic isn't happy with his life, all the formalities and etiq...

{Completed} {Will not be edited} Reminiscent {adjective} - Reminding you of people or experiences in your past. ☝︎✌︎?︎❄︎☜︎☼︎ WDG - 1S WDG - 2P ?︎⚐︎☠︎❄︎ ?︎✋︎☜︎

{COMPLETED} When Frisk climbed Mt. Ebott, she had expected to simply be erased from existence. But instead, she awoke Underground, and found herself in the hands of crea...

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

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

horrormare is my new obsession there will be fluff, angst, lemon, and lime all art that is shown I have made unless said otherwise. I'm not good at storytelling and spel...

W A R N I N G ⚠️:This story may have sexual contents so you have been warned and if you dislike "SeXuAlIzInG sKeLeToNs", NSFW, Fannon(fans Invision of characte...

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...

You were a normal human living on the surface until one day, monsters appear from the underground due to the barrier being broken by a small human child called Frisk. T...

Classic is exploring the different Aus when he travels to Underfell. After seeing how scared Red is he takes him back to Undertale. Classic Sans and Papyrus show Red kin...

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.