Underfellsansxreader Stories

"Can someone please just tell me.... Why him.....?" Confidence. That emotion has been coming to you a lot ever since you had met him... But Why him...?

A girl who has never seen the world outside of the lab sees it for the first time only to fall down into the underground. What will she find down there?

Just Sans X Reader No Lemon Cover by my homeslice tkdgirl222 I don't own any of the characters in these story Don't kinkshame me I know your here for the same reason I w...

You wanted to help but it was too late... So, you left. Tears filled your eyes as you thought of the one person that needed you the most... They were gone and it's your...

(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...

Y/N is a half Demon Half Human, who lives with her friend Amy. They moved to a little town recently where Amy has loads of friends, which is the reason both of u moved...

You were being abused. You couldn't take it anymore. But you also couldn't leave your kitten, Millie. So you gently put her in your backpack and got going. Your father...

On A03 as well and A03 will get updates and posted chapters first. After having A03 shutting down a bit ago i decided to add the fic here as well so it will be reachable...

A request by @K00LKatts You are not a normal human, and you didn't live in a normal world. Everyone is mean and rude up in the surface. You couldn't take it anymore and...

(y/n) is an abused neko that never know her real parents. She has been used as any kind of toy that you can think of and feels paralyzed. She went to Mt.Ebott hoping to...

You fall down into the Underground, thinking your life was helpless. Now....you realize your life is helpless without him....

Its been a while since you fell. You are currently being hidden in waterfall; behind a mysterious grey door that only Sans seems to know about or even see. You feel lone...

(Now people the title might seem confusing but you'll figure out why this was the title) You play as a character whom who fell into the Underground,you get to choose all...

You had a happy family and never got a big problem, just that you never believed into you. Your parents tried everything to help you but in vain. One day, you decided to...

*Coming Soon!*

(Y/n) had a wonderful life. She always had the nicest clothes in school and she loved her family. Her mother and father loved her dearly, and so did her older brother. O...

hey guys I thought it might be a good Idea to write this story but what's it is about is that a girl named seacresea is well abused and bullied because everyone well thi...

oh noes its part 2 jskhfdofdefjdshodsnvkhdsuofdsofhudos SO MUCH SIN

Hey guys! This story is currently being rewritten, so go check out "I Fell for You (An Underfell Sans x Reader Fanfiction)

This is one of the first undertake stories that I'm actually gonna work on a lot so please don't judge this.