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A child with nowhere to go escapes the Underground at great effort, greater cost, and several missteps. Wandering the Surface, alone but for the undead voice in their head, they determine that the ending they have reached is not the one they want, and set out to find a better one. Rather than trust the advice of Flowey, they instead place their faith in the king’s dying words and seek the truth on the Surface. Somewhere in the world, there has to be a way to free monsterkind, and they’ll find it or die trying— And dying hasn’t stopped them yet.
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Airwaves & Airmail by Sumochkamoya
Fandoms: Deltarune (Video Game), Undertale (Video Game)
01 May 2026
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Frisk fell into the trash heap in a desperate attempt to escape a spear-wielding Undyne.
She expected to find a way out, but instead, she found two complete weirdos.
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To survive the Dungeon you must stay DETERMINED by RagingRowlet
Fandoms: Undertale (Video Game), ダンジョンに出会いを求めるのは間違っているだろうか | DanMachi | Is It Wrong to Try to Pick Up Girls in a Dungeon? (Anime)
01 May 2026
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Long ago, two races ruled over the earth: Humans and Monsters. One day, war broke out between the two races. After a long fought battle, humans were victorious. They sealed the Monsters underground with a magic spell. Legends would say those who climb the mountain never return. This had been true for many years after they were sealed. But when it was time for the next Human to enter the Underground. Something changed. The mountain that held the Underground. Vanished without a trace… Orario the Labyrinth City a place where Gods and Adventurers alike flocked to the city with aspirations of grandeur. But one person was different. They never wished for glory or wealth. But rather they held a desired to be a Hero like the stories of old and they are Determined to see this through. How would desire intertwine the fates of these two worlds. Will they change for the better? Will they change for the worse? Only time will tell. But there is one thing to be sure of. This tale will be very, very interesting…
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I bit back a curse.
I couldn't give them my real name; it was too jarringly human. So jarringly human, in fact, that it appeared in The History of the Underground — in the chapter on the war — borne by one of the Mages who had sealed away the monsters.
No decent, loving parent down here would inflict a name like that on their child.
"Quiet!" I panicked. It was the first word that came to mind. "C-call me Quiet."
"Pleasure to meet you, Quiet," said Doggo politely, gazing somewhere in the general direction of my face — or rather, the impenetrable darkness concealing it. He discarded a card. "Wonderful to finally see someone new… I'm afraid, however, that you've arrived at the worst possible moment."
"Meaning?"
To my left, Dogamy leaned lower over the table, while Greater Dog flattened his ears and let out a quiet whimper.
"A human has appeared in Snowdin Forest."
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Powstrzymałem przekleństwo.
Nie mogłem im podać swojego prawdziwego imienia; było po prostu rażąco ludzkie. Tak rażąco, że pojawiło się nawet w Historii Podziemia, w rozdziale opisującym dzieje wojny; nosił je jeden z pieczętujących potwory Magów.
Tutaj żaden normalny, kochający rodzic nie skrzywdziłby swojego dziecka takim imieniem.
- Quiet! - Spanikowałem. To było pierwsze słowo, które przyszło mi na myśl. - M-mów mi Quiet.
- Dobrze cię poznać, Quiet - powiedział Doggo uprzejmie, spoglądając gdzieś z grubsza w stronę mojej twarzy… albo raczej nieprzeniknionej ciemności, która ją skrywała. Wyrzucił kartę. - Wspaniale zobaczyć wreszcie kogoś nowego… obawiam się jednak, że przybyłeś tu w najgorszym możliwym momencie.
- To znaczy?
Po mojej lewej Dogamy pochylił się niżej nad stołem, a Duży położył po sobie uszy i wydał z siebie ciche skomlenie.
- W Lesie Snowdin pojawił się człowiek.
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When ghosts haunts the past of human and monster alike, the lingering spirits of two band together to piece together a past lost, and a WISH forgotten.
This takes the main concept of StoryShift (the role swap) and does its own thing from there. This is not a game.
Now with a tumblr @utghoststory:
https://www.tumblr.com/utghoststory?source=shareSeries
- Part 1 of A Ghost Story
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First Fallen, Not Forsaken by Your_Average_Spirit_Guardian
Fandoms: Undertale (Video Game)
01 May 2026
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A hundred years after dying, Chara wakes to a world that has already learned how to live without them.
The Dreemurrs, Frisk, and the people around them try to make room anyway. But for Chara, kindness feels unbearable, safety feels stolen, and survival is not the same thing as wanting to stay.
UPDATES EVERY TUESDAY & THURSDAY!
Series
- Part 29 of The Gentleverse
- Part 1 of The Gentleverse – Undertale Branch
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Bell Dreemuur, Prince of Monsters by DragónCelestial (DragonCelestial)
Fandoms: ダンジョンに出会いを求めるのは間違っているだろうか | DanMachi | Is It Wrong to Try to Pick Up Girls in a Dungeon? (Anime), Undertale (Video Game)
01 May 2026
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Bell Cranel disappeared shortly before the war game against the Apollo Familia. Almost a year has passed since his disappearance, and now Bell has returned to the city of Orario. But the young man now has a very different mission in the dungeon city.
One that will turn everything adventurers have believed for the last few hundred years upside down.
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It's been about a year since the barrier fell. The monsters are joining the humans. While some humans accept them there are many that dislike monsters and will cause problems for monsters and their supporters. Reader is a female age 25, who lives in an apartment alone, when reader has a fateful encounter at the dog park while taking their curious pet for a day out.
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Apeirophobia: the fear of eternity; endlessness; the infinite.
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Giving up and starting over feel the same sometimes. It’s difficult for Sans to do either when he can’t let go of the past. It’s difficult for Papyrus to do either when he doesn’t know what that past is, even when it’s rearing its ugly head.
Papyrus’s attempts to stop Sans from lying end up rekindling an old Connection, for better and worse.
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Your best friend of eight years, Brynlee Sloane, was a main character.
It was clear with the way she found herself in awkward and coincidental situations almost constantly. Love triangles, mean girl bullies, an aunt that she's lived with almost her whole life, parents' mysterious disappearances, etc. You'd been there to see it all. And, from all the movies you'd watched, you knew that you were ultimately the basic main character's best friend. You were constantly disregarded by whoever Brynlee attracted and you were always there to comfort her after a potential lover broke her heart. The constant shade you were unintentionally left in from your best-friend slowly wore on you over time. Though, one day could change a life drastically.
Or, in this case, one blue fish at an amusement park.
(Undertale Fanfic)
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Today, the PTA board came up with this “brilliant” idea to take the children to Mount Ebott for a field trip…in case you couldn’t tell, I’m being sarcastic.
Well, at least Linda and her husband David think this was a good idea. Reluctantly, Sans also has to go along with this trip because Toriel asks him to go to make sure Frisk stays out of trouble, and who is he to say no to her?
What was supposed to be a normal school field trip turned into something far more than anyone could’ve ever imagined, and it’s all Linda’s fault.
- Language:
- English
- Words:
- 3,621
- Chapters:
- 1/2
- Comments:
- 1
- Hits:
- 14
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It been two years since Monsters were officially freed from the underground. Two years since Frisk was able to give everyone their happy ending. Everything was perfect! Nothing could go wrong, right? Right?!
One of the days while playing outside, Frisk couldn’t help but notice Sans was wearing his hood up today. It was strange because Sans usually never wore his hood up. Plus, it was like 85 degrees outside. They decided to do a quick check on his stats.
Nothing seemed wrong, but when Sans suddenly collapses, chaos ensues quickly. For some unknown reason, Sans was starting to fall down and fast. If nothing was done about it and soon, he could die.
Frisk is Determined to SAVE Sans. So is everyone else. They will have to face the consequences of the past, and overcome their traumas if they are to save their friend and maintain their happy ending.
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I'm just gonna explain a few things about this series.
This story will be a month or 2 after Frisk fell down.
Everyone is still underground. (For now hint hint)
My oc will be a little girl named Charlotte that was hiking with her mother but ended up getting lost and fell into the hole.
Charlotte has long brown hair, red eyes, a scar that goes across their left eye, 5 years old, extremely talented, loves singing and playing intrsuments, survivalist, doesn't show emotions very good, adult like attitude, Empatheitc, helps others when wants too, and only talks when she wants too.
Charlotte's parents aren't the best. (Literally)
Some things may be confusing in the story, but please roll with me! Thank you!
I think that's it for an explanation.
The story will start with Charlotte finding the hole and falling.
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In which my shitty laptop fucks up my copy of Deltarune so bad I get isekai'd.
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A Copykit in the Ketsukane Family: An Alternate Path by TheTakenCatking
Fandoms: Undertale (Video Game), Undertale Yellow (Master Sword Video Game)
30 Apr 2026
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This story is an alternate path for 'The New Kit in the Ketsukane Family.' Please read that one first before venturing any further into this work.
Series
- Part 2 of The New Kit in the Ketsukane Family
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It’s been just a day since Asriel’s life turned right way up again. Monsters have returned to the Surface at long last, himself included. He’s got his best friends—new and old—by his side, and both his body and SOUL have been restored to him. There should be nothing left to worry about.
But new threats loom and old habits die hard. It’s been a very long time since Asriel’s been able to trust anyone else to deal with problems. Especially when there are so many secrets that nobody can be allowed to uncover… and one that Asriel can’t bring himself to face.
Series
- Part 2 of Et Tertia Non Datur
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Ten beautiful years on the surface—the perfect life of the monsters, Sans's perfect life—ended with a reset by Frisk.
The question was obvious: Why...?
Only Sans can find the answer, but when others learn of the resets, things get complicated. -
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200 years ago, a dark force killed the two princes of the Underground. In the present day, Frisk falls into an underground where only Home is left still standing. Can she help bring hope to a nearly hopeless underground?
Or is it already too late?
Updates every 12 days!
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It has been five years since monsterkind left Mount Ebott with the help of Frisk. Now a teenager, that’s six months they had been living far from their people with Toriel, who got hired as the first teacher for humans and monsters. Frisk lives that forced exile badly, but summer vacations are close enough to go back to New New Home and see all those they left behind.
Soon enough, Frisk realizes something is wrong with Sans. Despite the forced smiles, the skeleton is suffering in silence. Worried, Frisk decides to investigate. Is he still mad for all these timelines they did something irredeemable, or is it something deeper?
One thing is for sure, those vacations won’t be like the others.