Undynexalphys Stories

75 Stories

Magic Humans and Monsters (Sans x Reader) by RandomChickGirl
#1
Magic Humans and Monsters (Sans x...by RandomChickGirl
-FIRST BOOK OF THREE- Ever since the War, magic humans have been training to kill all monsters when they escape. They've even built a special school designed for teachin...
C A N C E L { Sans X Reader } by Too_Many_Feelz
#2
C A N C E L { Sans X Reader }by DoesBrunoMarsisGay?
How many times have you seen this world, how many resets does it take for you to give up hope? Does anything even matter after all this, does trying do anything? Will th...
From Darkness, Love Came Through by FinleyLivesInTheVoid
#3
From Darkness, Love Came Throughby Finley
A long KingDings fic because this ship does not get the attention I think it deserves. I love this ship, and it's adorable. I plan on making this a full story, so buckle...
I Love You a Skele-TON (Frans) by hidden_sushi
#4
I Love You a Skele-TON (Frans)by Hidden Sushi
Frisk found herself having a little crush on Sans until it turns out to be a huge liking towards him. What will happen when she confesses her feelings to him? Highest ra...
Completed
The hard life (Sansxreader) COMPLETED by starcatcher3000
#5
The hard life (Sansxreader) COMPLE...by Starcatcher3000
Y/N was the eldest of the royal family. Her life was great. She was turning 16, the age where she'll be able to help her parents with royal duties, and get more privileg...
Completed
The Child (Alphys x Undyne) by princeofblackroses
#6
The Child (Alphys x Undyne)by Zedd Mason
The love and parenthood of the lovely undertale couple, Undyne and Alphys
Fishy Love - UNDERTALE - Alphys X Undyne by Deaxss
#7
Fishy Love - UNDERTALE - Alphys X...by Deaxs
This is what happens when ur bored on a road trip. (Contains some slight NSFW, it's probably fine.)
Frisk yandere x sans [frans] undertale by Mikelanguelo
#8
Frisk yandere x sans [frans] under...by angelina
Hola soy nuevo y esta es mi primera historia, y se que muchos me van a decir que porque pones a frisk como yandere y a como un debilucho , pero bueno tal vez no me dig...
You Look lovely everyday(Frisk x Reader) on hold  by Problem_Solution
#9
You Look lovely everyday(Frisk x R...by Hello!
On hold "You have the most beautiful smile Y/n." "How do I look?" "You love lovely today and everyday!" This is a Friskxreader! You and Fri...
An Odd, But Perfect, Match- FreshPaper: Nerd and Jock AU- Undertale by Silvermoon1warriors
#10
An Odd, But Perfect, Match- FreshP...by Silver
Fresh has an almost perfect life. He keeps on top of his homework, has great, nerdy friends and keeps out of the way of the troublemakers- The Jocks. But that all change...
A Punny EDDventure (Undertale X Eddsworld) by The_Crossover_Girl
#11
A Punny EDDventure (Undertale X Ed...by The Jinxtrap
Frisk a human kid frees the monsters from the Underground but what happens when two skeletons meet three distinct humans. Find out in this punny adventure. I was sitting...
Forbidden Love ( Frisk x Sans) by Nashi012704
#12
Forbidden Love ( Frisk x Sans)by Nashi012704
Hi guys this is a new story based off of the game undertale. Also this is my first fanfic I have ever written so I hope you like it. Frisk is 13 and so is chara. Sans is...
Completed
Fishy love Lemon Alphys x Undyne by Lizz60670
#13
Fishy love Lemon Alphys x Undyneby Please Don't Go (Offline)
The shy and nerdy Alphys has asked Undyne on another date. Undyne being the strong awesome fish she is accepted but want more than a date. She wants to make it special...
Just a touch... by kathybaysfandom
#14
Just a touch...by KathyBaysFandom
Its been a year since the barrier has fallen and you're just an average girl going about your fairly normal day. A detour on your way home from work wouldn't hurt, right?
On Days Like These - Sans x Frisk  by xx_orangejuice_xx
#15
On Days Like These - Sans x Frisk by Xx_orangejuice_xx
"you're my spark, Frisk. You're what keeps my soul alive. Frisk, You're what keeps my LOVE low, but my love high. Frisk, you are my everything."
A True Pacifist.  by Yumi_mulky
#16
A True Pacifist. by Yumi💛
Frisk has just saved the monsters from their impending doom underground. Perhaps it was fate? Maybe Frisk was meant to fall underground with nothing but Monsters around...
Wartale  by Nashi012704
#17
Wartale by Nashi012704
This story is going to be an AU that I'm creating. It is about the war against the monsters and the humans long ago. And what it would be like if the Undertale character...
Alphys And Undyne's Diary by Autumnangel1197
#18
Alphys And Undyne's Diaryby Alphys_The_Royal_Nerd
Just a diary for what I do with Undyne. Daily experiences, funny little bits, and about the other books created by Aurumnangel (or Bethany). but edited or rewritten by m...
Completed
UnderPet: An Undertale Fanfic by PeaceDerpyLover01
#19
UnderPet: An Undertale Fanficby The Derptor
This is Undertale related so go check out the game or some comics, if not, then you will not understand most of this...cause this includes a murderer person, Chara. Whil...