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Sans/Readerfan fiction

Relationship · 2,689 works

425 works about Sans/Reader are open to everyone here; 49% are complete. The average one runs about 11,900 words. Read any of them in your browser, save it as an EPUB, or listen to it.

Some results are potentially explicit

Undertale (Video Game)

The Process of Mending

by Skelesin (DeadGodBless)

You can’t believe what you’re seeing. You knew that in the year since monsters made their way to the surface there had been some struggles. Humans, if anything, are unspeakably stubborn. Once they’ve decided to hate something or someone, they throw themselves headlong into it. Even still, what you’re witnessing seems so baselessly cruel. Sans/Reader, reader is gender neutral.

Teen 7.9k words 1 ch Complete 2.2k kudos

Hurt/Comfort · Emotional Hurt/Comfort · Broken Bones · Friendship· +1 more

Undertale (Video Game)

When Time Stands Still

by Sethrine

Under his watchful eye, you knew that you and your child would be cared for and loved unconditionally.She may not have been biologically his, but the Father title was his for the taking, if he so wanted it.And boy, did he want it.

Teen 12k words 5 ch Complete 1.1k kudos

Pregnancy · Pregnant Reader · Past Abuse Mentioned · Fluff· +8 more

Undertale (Video Game)

How To Mis-Remember

by aveea

Sans is pushing himself to the limit and his girlfriends betrayal is the final straw.To prevent him from dusting, his mind scrambles together a fragile narrative where you, his roommate, have been his partner all along.A little awkward for you, considering you weren't exactly friends.And he's pulled 6 other skeletons from their own realities.OrSometimes a family is you, your semi-amnesiac-onesided-fake-dating boyfriend, his brother, and three other pairs of skeletons who are but also aren't them.not an anti harem, not poly, reader is gender neutral.

Teen 34k words 10 / ? ch In progress 898 kudos

Abusive Relationships referanced · Alternate Universe - BeastTale (Undertale) · Alternate Universe - Underswap (Undertale) · Fluff· +18 more

Undertale (Video Game)

Groundhog Day?

by cicir

Every time there was a reset, everyone around Sans acted the same. He walked into the same cafe, the same people gasped at his skeletal face, the same hostess giddily showed him to his seat, and the same waitress reacted too over the top to his order of "some eggs with his ketchup." Everything in a reset was always the same; nothing ever changed. Nothing but you, that is. #in which Reader lives through and remembers all resets, and (with no other explanation available) has just accepted that she's living in The Groundhog Day movie.beta reader: It's-a-snowdecahedron

Teen 22k words 5 / ? ch In progress 865 kudos

I need something without darkness and sad stuff · Reader remembers and lives through resets · and eventual smut · and need just fluff· +2 more

Underfell - Fandom+1

The Red Thread of Fate

by CrabbyMaiden

Sometimes, you end up in the right place at the right time. In this case: you end up taking shelter in a bar and find your soulmate. How convenient!My take on an Underfell/Soulmate AU as I try out a new writing style.

Teen 15k words 4 / ? ch In progress 840 kudos

Alternate Universe - Soulmates · Alternate Universe - Underfell · And sweaty · Black Holes Don't Suck· +18 more

Undertale (Video Game)

A Hundred Times Over

by albinochu

You've been living with the skeleton brothers for a while with their silly antics, but you have this lingering feeling as if you've been here before. You also have had this heavy weight in your chest every time you look at the smaller Skeleton. What could it be...? A horrible sense of Deja vu. But of what?

General 4.6k words 1 ch Complete 741 kudos

Fluff and Angst · mostly angst i guess · i need to learn how to tag in ao3 bc i dont know · but yeah you hurt the skele