Alphysxundyne Stories

58 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...
I Am Myself (Frans) by NotAngyMore_76
#2
I Am Myself (Frans)by NotAngyMore_76
[COMPLETED] [COMMISIONS OPEN!] Frisk is broken and unstable. Their mind was overtaken by Chara and now they never know when will Chara reach out to hurt Frisk's friends...
Life Can't Be RESET [UnderTale] by Dragonfire719
#3
Life Can't Be RESET [UnderTale]by Kaitlyn
Pacifist. Neutral. Genocide. SAVE. LOAD. RESET. Over, and over again. Living through an endless loop has started to take its toll on Sans. Eventually, he just doesn't ca...
From Darkness, Love Came Through by FinleyLivesInTheVoid
#4
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...
Time Takes All (challenge complete) by Summer_Bird
#5
Time Takes All (challenge complete)by Hallie Shuler
The monsters have been released from the Underground, and are planning on making peace with the humans. Frisk promises to be the ambassador of the Underground residents...
Completed
Sans x Flowey -one shots- by creativeweed
#6
Sans x Flowey -one shots-by creativeweed
Some fluff right there. Also, sorry for 'bad english'. Enjoy.
Nightmare (Undertale Story) by Sarcasm_S
#7
Nightmare (Undertale Story)by Sarcasm_S
Sans is a pun loving skeleton who loves to sleep and slack off at work so when he started to change everyone began to notice it very quickly. They all brush it off think...
A New Normal? (Depressed!Sans x Asgore) by shelb156
#8
A New Normal? (Depressed!Sans x As...by Star⭐
(COVER ART IS NOT MINE) They finally got to the surface. Finally after so many times. So many resets. So many Genocide runs. So many resets. They're finally here. Frisk...
Family-A sequel to A Friend For Life SansxChara (DISCONTINUED) by This_Place_Is_Cursed
#9
Family-A sequel to A Friend For Li...by This_Place_Is_Cursed
Eyy what's up Fam? I'm sorry but I'm discontinuing this book, it's not really going anywhere but if you want to continue it by your own means then please do. So sorry (〒...
Fading Light (SansxReader) by ilikekattsss
#10
Fading Light (SansxReader)by ilikekattsss
Monsters have been back on the surface now for two years. Though not everyone is ready to except that they're apart of their everyday lives. You however, are not one of...
Royaltale Season 1 by BossPonyUni
#11
Royaltale Season 1by 🌌 Kai/Uniqua 🌌
This is an Undertale AU I originally planned on making back in 2019 but, I wasn't capable of making all the character designs and forgot about it for two years. A few mo...
𝑻𝒉𝒆 𝑻𝒂𝒍𝒆 𝒐𝒇 𝑻𝒘𝒐 𝑳𝒐𝒗𝒆𝒓𝒔 (Hiatus)  by -_Sakura_Getsumei_-
#12
𝑻𝒉𝒆 𝑻𝒂𝒍𝒆 𝒐𝒇 𝑻𝒘𝒐 𝑳𝒐𝒗...by -_Sakura_-
(𝑁𝑜 𝑆𝑝𝑜𝑖𝑙𝑒𝑟𝑠) 𝑊𝑎𝑟𝑛𝑖𝑛𝑔𝑠: 𝐴𝑛𝑔𝑠𝑡 𝐷𝑒𝑝𝑟𝑒𝑠𝑠𝑖𝑜𝑛 𝑉𝑖𝑜𝑙𝑒𝑛𝑐𝑒 𝐵𝑙𝑜𝑜𝑑 𝑎𝑛𝑑 𝐺𝑜𝑟𝑒 𝑆𝑒𝑙𝑓-ℎ𝑎𝑟𝑚 𝑆𝑢𝑖𝑐𝑖𝑑𝑒 𝑃𝑇𝑆𝐷
Undertale: Baby Saga by RosieGeee
#14
Undertale: Baby Sagaby RosieGeee
I will be doing at least three undertale fan couples, starting with Mettaton and Papyrus, then Sans and Grillby, and finally Alphys and Undyne. Enjoy.
Completed
A New Family Member(Undertale Fan-Fiction) by Tinatheskeleton
#15
A New Family Member(Undertale Fan...by Tina
Years after Frisk freed the monster from the Underground,W.D Gaster returned from the void and to his sons.Strangely Gaster felt a small little skeleton in the basement...
Those Like Me by TTnSecretCodeLyokan
#16
Those Like Meby SecretCodeLyokan
Just a random oneshot. Possible Genocide and game spoilers. Contains nearly everyone's favourite couple and some swearing. While everyone crowded in the refuge, a huge l...
Completed
Undyne the Undying and the Human by dreamingVirgo
#17
Undyne the Undying and the Humanby dreamingVirgo
A short story I wrote for a class asignment. Some things don't follow the original material exacly so that the teacher could understand it. I may edit it later on. You a...
Black Souls & Skele-bros by KnightsOfGehenna
#18
Black Souls & Skele-brosby Wolfy and BellFire
Two sisters live alone in a beautiful place called Ebott City. Their pasts were beyond rough, but they make due now, living normal lives. ....Except for their black soul...
The New Neighbors by midnightdragon7
#19
The New Neighborsby Joanna Stark
Once again, I was alone. I preferred it this way. After all, you can't be hurt if there's no one to hurt you. Well, that's until the monsters came to the surface. To be...