Deltarunefanfic Stories

Random stories about Undertale, Deltarune, Undertale AUs, and Undertale Yellow that I will post on a whim :)

Y/N spends a cozy evening with Berdly, giving him gentle belly rubs. As you soothe his feathery blue belly, Berdly relaxes and purrs, despite his sarcastic and arrogant...

I F Y O U W I S H F O R Y O U R S T O R Y T O P R O C E E D . Y O U M U S T C R E A T E A V E S S E L . . . . T H I S W I L L B E V E R Y I N T E R E S T I...

Random kris x ralsei fanfic/AU. Thumbnail by: IEuphorica

You are a new servant for the King of Spades in his castle, your job is simple yet boring, you have always found curious that one '???' level in the elevator, one day Ro...

This is an Undertale AND Deltarune fanfic. To avoid confusion, it is set after Frisk saves the underground. All the monsters, including Frisk, move to the surface. Now e...

one-shots for the game deltarune Chapter by chapter Taking requests! Idk either

Book 1/3 of the KRIS CONTROL FREE SAGA BOOK 1: KRIS UNDERTALE BOOK 2: [REDACTED] BOOK 3: [REDACTED] ARC 1 (NEW WORLD): Kris woke up in a world where everything is unknow...

a monster, a human, and a thief from the light. the theta heroes destined to save the realm. this is the legend of THETARUNE. TWs: Graphic Violence, and plenty of others...

A collection of Deltarune one-shots. Requests open. Also pls read Thetarune: https://www.wattpad.com/story/290557168-thetarune-a-deltarune-au-story Main cover art is by...

One day, y/n was peacefully babysitting Lancer until disaster struck. Before they knew it, y/n was working for Sans, with one... interesting co-worker. ~ This started as...

Slow burn for the rise and continuity of Swatch and Tasque Manager. Table of Contents are provided in the first chapter. Comments are always appreciated!

A range of Deltarune Chapter 2 fanfictions.

Kris wanders into the Color Café, looking for a break in his adventure. The Swatchlings and Swatch are prepared to deliver the utmost comfort that a teen would need duri...

A new student arrives at the school who Noelle falls in love with. ---- Deltarune ©️ Toby Fox ---- Cover art by: marine_ut (Not made for me) ---- PS: If the text is [*...

You and Kris become friends in school but something seems to be off Find out when you keep reading...

Kris has been acting unusual ever since he left the Dark World. Susie and Ralsei grow concerned at his strange behaviour. He barely even talks or eats. Ralsei and Susie...

Kris and Susie have become more than friends, since their adventure in the dark world. But every night, Kris suffers terrifying nightmares that make him rip out his soul...

「𝙆𝙧𝙞𝙨 𝙭 𝙍𝙚𝙖𝙙𝙚𝙧 𝙊𝙣𝙚𝙨𝙝𝙤𝙩𝙨 𝘽𝙤𝙤𝙠」 ▫️𝚂𝚝𝚊𝚝𝚞𝚜: 𝙲𝚘𝚖𝚙𝚕𝚎𝚝𝚎 Hi I went back to undertale (deltarune) hell so I'm making oneshots now I guess. Hu...

Ask whatever you want to The characters in Deltarune! Please keep it appropriate. I DO NOT OWN THESE CHARACTERS! they belong Toby Fox. Enjoy!