Celle666
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Summary
This takes place in a post Underfell King Papyrus ending.
Struck by under population, King Papyrus makes it law that all monsters left alive by the murderous little human have to procreate. This leaves Fell!Sans and The King himself in a tight spot. There are no female skeletons left in the whole Underground and both skeletons are sure they are the last of their species. Fell!Sans proposes something. With the help of the first Royal Scientist's machine to travel to other universes, he will find mates for breeding purposes.
Tale!Sans is having his first sub heat as a female. This happens when there are only males left and the strongest one undergoes a gender swap. He knows this means Papyrus will have to be his mate.
That won't do. They are brothers, for the Angel's sake! So he does what he does best, HE RUNS.
Bookmarked by Celle666
16 Oct 2025
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Summary
Nightmare is tired and goes to sleep.
What could go wrong?.
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Maybe it's the desperation, the fear and anticipation of the worst, that edges him to fall knees, straight into the ground. Just above the weird, sticky, and black liquid flooding the carpet…
Realization hits him like if a bucket of cold water fell over him.
The sticky thing is Nightmare's negativity.
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A lot of things; It turns out that Passive wasn't as dead as Nightmare tought.Tambien disponible en español.
Series
- Part 1 of Little Night
Bookmarked by Celle666
05 Oct 2025
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Summary
The king has fallen.
In the devastation left in the human's wake, a new king is needed. Papyrus steps up to the challenge, assisted by his brother.
Sans is sworn to obey the crown, bound by the Delta Rune. Regardless of who wears it.
But when dark alternates show up and threaten war, Papyrus has to make the hardest decision of his life, and Sans finds out the chains that bind him might not be as secure as he'd like.
Bookmarked by Celle666
02 Oct 2025
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The Multiverse is dying. The balance has been tipped too far and now it threatens to crash down around everyone. But Dream believes the answer to their survival lies with their newfound Destroyer.
Bookmarked by Celle666
22 Sep 2025
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Strings that Hold Life by CookieCrash
Fandoms: Undertale (Video Game), Undertale AUs - Fandom
31 Jan 2024
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Summary
Wishing upon a star is supposed to be something cute and funsie. It’s not something the gods are supposed to take seriously!
Given another another chance, he might as well see how things go for him, that and the weirdly acting other aus’.
Bookmarked by Celle666
20 Sep 2025