Alphysxundyne Stories

-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...

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...

This is a fanfiction insert of you being Frisk in this story. There may be ships in this story you might not like. If you do not like it, then either don't read this sto...

After 24 genocide routes chara reveals herself to sans but something unexpected happens Oh and spoiler alert there's gonna be a boy human who's gonna be charas crush And...

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 will be doing at least three undertale fan couples, starting with Mettaton and Papyrus, then Sans and Grillby, and finally Alphys and Undyne. Enjoy.

(𝑁𝑜 𝑆𝑝𝑜𝑖𝑙𝑒𝑟𝑠) 𝑊𝑎𝑟𝑛𝑖𝑛𝑔𝑠: 𝐴𝑛𝑔𝑠𝑡 𝐷𝑒𝑝𝑟𝑒𝑠𝑠𝑖𝑜𝑛 𝑉𝑖𝑜𝑙𝑒𝑛𝑐𝑒 𝐵𝑙𝑜𝑜𝑑 𝑎𝑛𝑑 𝐺𝑜𝑟𝑒 𝑆𝑒𝑙𝑓-ℎ𝑎𝑟𝑚 𝑆𝑢𝑖𝑐𝑖𝑑𝑒 𝑃𝑇𝑆𝐷

Alphys knew she was in love but was too afraid to admit it. Luckily a chance encounter at waterfall and a little help from her new human friend were all she needed.

just NaJ au with some of the original sans aus in it and this was somewhat based off a book on AO3(the pic is not mine and idk why it's sideways but oh well)

Their once were three siblings who are Copper, Agate, and Amber Lightvale, Copper and Agate watched their mother died after giving birth to Amber but their father death...

hi everyone please comment down ask or dare characters also in this story deku fell underground with frisk and they live underground with goat mom qnd there friends

[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...

(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...

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...

This is an Alphyne book, but it's HandPlates! Yeah, it's random. I know. I'll come up with a better description later. Cover not by me. Also, WattPad won't let me make m...

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...

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...

Some fluff right there. Also, sorry for 'bad english'. Enjoy.

This is a Frisk X Sans novel. 18+ . Frisk is eighteen now, ten years ago she had just fallen into the underground. She became friends with the monsters quickly. She was...