Kustard Stories

532 Stories

Sanscest OneShots  by TheBrokenAshes
Sanscest OneShots by DustBrokenBerry
Ya this is just something random that I'll post to off and on. Or not I don't know yet. Fluff- ☁️ Angst- ☠ That I guess? Lemon- 🍋 (Tags to be updated)
Z-Tale ~*~ Undertale x MHA Crossover Fan Fic by IrainandthunderI
Z-Tale ~*~ Undertale x MHA Crossov...by 🌧⚡️
Izuku tried to take Katsuki's advice and kill himself, but to find him on the couch in Sans and Papyrus's home in the underground with no memories of his previous life...
|| 𝙿𝚞𝚗𝚜 𝚊𝚗𝚍 𝙻𝚘𝚟𝚎 || 𝙺𝚞𝚜𝚝𝚊𝚛𝚍 || by AstronomicalUnit
|| 𝙿𝚞𝚗𝚜 𝚊𝚗𝚍 𝙻𝚘𝚟𝚎 || 𝙺�...by AstronomicalUnit
Fell gets teleported to undertale and soon meets the funny skeleton named Classic, how will this play out? (A lot of mistakes, being my first book)(updates are random, b...
sanscest oneshots (REQUESTS OPEN) by Esoteric_Princess
sanscest oneshots (REQUESTS OPEN)by inconsistent
just another sanscest one shot book. request information in first part!
Fallen asleep (FlowerFell Kustard comic) by Misakono
Fallen asleep (FlowerFell Kustard...by Yukei
(THIS TAKES PLACE BEFORE FRISK FELL WHICH IS WHY THEY ARE TEENAGERS) Sans was going through resets like normal due to the kiddo and suddenly one of the resets go wrong l...
Darling love (killermare) by XxJupiter_MithxX
Darling love (killermare)by OºJupiterºO
This is my AU if you don't like this ship or ships I suggest you leave
Our Long Distance Love [Kustard] by Ilikedreammare
Our Long Distance Love [Kustard]by I Ship Kustard
This is a Kustard story and btw in my au Dream and Nightmare aren't brothers Warning: Some bad word's / Voilence, Suggustive to 18+ stuff 14+? 13+? It wont ever acrully...
Just Stay. by Fairy_Flowers
Just Stay.by Echo Flower
Classic have been seeing his friends die, over and over again. The human keeps on resetting. In one reset, it all goes wrong. He ends up in a hole new place than he w...
Undertale Aus one-shots by AlexisTheCool
Undertale Aus one-shotsby AlexisTheCool
warning:there might be lemons at some chapters and some angst,there might be some typo error in my spellings,but yeah if you wanna read this book i wont stop you so yeah...
Sanscest roleplay by SeasTheLunaBitty
Sanscest roleplayby Dave Miller/William Afton_Fan...
So I now obsessed with the ships of the sanscest so now I am gonna make this rp book sooo yeah. I hope this will get me something to do when I am bored and also that ide...
~A Kustard Story~ (NSFW) by Lazy_Cherry_
~A Kustard Story~ (NSFW)by Flyboy
Sans Au One-shots Symbolverse/ *requests open* by 0FireLinx0
Sans Au One-shots Symbolverse/ *re...by 0FireLinx0
This was my first one-shot book so the first four aren't the best, but their okay. I'm not exactly a multi-shipper but I'll do a few other ships here and there. Tell me...
UNDERTALE and UNDERTALE AU SHIPS O...by i have 197 angels do u want t...
UT and UTAU ships opinions uwu. Coz yeah I'm totally into these uwu. YOU CAN REQUEST A SHIP FOR ME TO DISCUSS ABOUT. I MAY OR MAY NOT BE COMFORTABLE WITH IT BUT HEY I'LL...
Immortality by DahRadSkeleDude
Immortalityby JJ_loves_Ruru
-VERY ANGSTY- Error gives up. there's no point in fighting anymore.. He gets captured but doesn't care. Ink and the council decides to send Error to prison for life but...
The Adventures Of Erratum  by TheoreoChildUwU
The Adventures Of Erratum by ~* Skylar*~
Error was sick and tired of ink and the multiverse he decided that. if they didn't want him he would leave. but little did he know this was only the beginning to his hea...
Undertale x Bnha Crossover (Being rewritten in another book) by CheapClown
Undertale x Bnha Crossover (Being...by Yuh Cheapest Clown
Classic finds himself in a new place after another RESET, later on meeting up with Red. They become friends with new people and eventually meet up some familiar faces. W...
A peculiar Adveture - UnderTale x BNHA Crossover by CheapClown
A peculiar Adveture - UnderTale x...by Yuh Cheapest Clown
Classic Sans finds himself in an odd world, to which he has never seen before. A new au perhaps? He finds new friends along the way and meets up with some familiar faces...
Au Group Chat     Bad sans/Star sans/Others by DahRadSkeleDude
Au Group Chat Bad sans/Star sa...by JJ_loves_Ruru
Kinda like discord but with the Undertale Aus this will be very stupid
blind dates (Maybe Errink) by ammecheese9
blind dates (Maybe Errink)by Your ruler
the following has dustberry maybe kusterd, killermare, cream, and I won't be telling what happening... mwah ha ha ha.