Undertalesans Stories

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

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...

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...

--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...

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...

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...

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...

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...

You've been living in the Underground for the past 2 years as a powerful Spell Caster, you prefer living in the Underground than up top on the surface as you find Monst...

this is my fnafdnic about snasz goin to high skewl wit u the readwe.r enjoy

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...

SANS X GRILLBY FANFIC Beware the end ((Cover is not my art. Credit to artist))

Just a whole lot of gay skeletons. Possible Lemon. Possible Emotional Roller coasters.

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...

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...

THIS IS HEAVY KILLER!SANS CENTRIC... little guy needs some attention and by the stars im gonna give it to him UH. i think most of these will be me rambling about killer...

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.

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...

Part 1 to Chevron's (my) story. Frisk goes on a genocide run out of curiosity, then he meets someone of interest. Determined to befriend Chara, he continues to do genoci...

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...