MoonMoom
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As The Dark Feeds Into The Light by mimstheword, MoonMoom
Fandoms: Undertale (Video Game)
25 Mar 2026
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Summary
As the Dark Feeds into the light,
the light will shine,
the shadows will consume the land,
when light surrenders in bed,
and two sides become whole,
when love fills the soul,
balance will be restored
Ships included: Reaper (top) x Geno (bottom), Horror (tops) x Farm (bottom), Nightmare(top) x Cross(bottom), Blue(top) x Dust(bottom), Error(top) x Ink(bottom, Killer(Top) x Dream(bottom), One sided-Cross x Dream
This is an Alternate Universe, where half the sans are beings of lights and the others are beings of darkness fighting eachother. There's smut in every chapter
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This is a birthday present for a friend of mine! If you haven't read Fill The Void, read that first
Reaper is teaching Geno some patience
Series
- Part 2 of Fill the Void
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Summary
This is a human Afterdeath werewolf au. The main ship is Afterdeath. But there is some implied Science x Geno, Errink, Cream, Kreme, ScienRed, Dustberry, Crossmare, Killermare Horror x Dust at some point. This is a slow burn, but it will eventually have smut.
Warnings: This first chapter has extreme violence and torture in the beginning, including some implied non-con. There will likely be death and other forms of violence throughout the story.
Fully covered in a black cloak. Everything around him seemed like darkness and death, just like the masked man. He could only see his mouth, which was unexpressive. He looks almost ancient. Frisk trembled slightly, bowing to him while Geno could only stare slightly before avoiding his eyes and walking past. The cloaked man stopped.
"You're looking better." The man's voice was deep and almost soothing, at least to him. They continued to walk, and Frisk glanced at him as they continued on their way. They walked in silence until the others were out of earshot.
"Who was that?" He asked, and she trembled slightly.
"H-he-" she cleared her throat, "he's the judge, and…he was the one who found you."
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Summary
This is a human dom/subverse, but with my own version, so there will be differences. The main ship is Afterdeath(Dom Reaper), and the other ships included in this story are Errink(Dom Error), Cream(Dom Dream), Crossmare(Dom Nightmare), Kreme(Dom Dream), Dustberry(Dom Dust), Killermare(Dom Nightmare), Kross and ScienRed(Dom Science). This story is very NSFW and has a tiny bit of non-con and attempted suicide. There is some plot.
"Well, you seem to have been caught red-handed, " the man chimed, and Geno sighed. So the man could tell immediately?
"I'm not a sub." The dom raised an eyebrow.
"Really? That's the best you can come up with?"
"If you don't believe me, that's your own problem." He snapped back, looking the man in the eyes. The dom looked surprised before smirking and leaning forward.
"Did you know you were a sub?" The man commanded, not giving him even a second to resist, as it was so sudden.
"Yes, " he was forced to say. His eyes widened as he cursed under his breath. The dom's dark eyes bore into him with amusement, making him want to shudder. He had never been forced by a command before.
Series
- Part 1 of Fill the Void
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Summary
This is a vampire AU Afterdeath story!
He heard the footsteps get closer and closer until they stopped in front of him. Geno felt himself tense up.
"A skeleton?" The Duke's voice shocked him. He thought it would sound evil-sounding or deep, but it was silky sweet. Almost too sweet. It was perfect in every way.
"He's new, came here a week ago," Mr. Muffet stated.
"Hmm." He heard The Duke hum. Geno finally dared to look up. His eyelight nervously moved to the other's face. He didn't see much in the shadows but he could see his mouth. He narrowed in on that. The teeth looked normal. "I pick this one." The words made him pause in shock. Pick?
Recent series
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- Works:
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fall upon your knees / sing, beg, and bleed
o’ lord of death / mercy me i pleadDeath comes for all things, eventually.
For the shambling northern village that Frank has spent the last handful of his years in, death is more like a haunting. Desperation drives his village to chase after the ghosts haunting them. There will be one last casualty among them, one of their own choosing.
Bookmarked by MoonMoom
06 Mar 2026
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The One Who Waits had been defeated. The only choices that remained were to spare him or murder him. And the Lamb has chosen to spare their God. The road to recovery will not be easy, forgiveness will be hard to obtain, and trauma will be slow to heal.
🜏
Things to Know:
This was a practice fic I was doing to work on my writing style. I've put a lot of effort into this but it's incomplete and it probably won't ever be completed. But thanks so much for reading and I hope you enjoy what I have written.🜏
I do not consent to people uploading my fanfictions to AI, including c.ai.
Series
- Part 3 of Black Sulfur AU
Bookmarked by MoonMoom
11 Feb 2026
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It became a habit, a routine he picked up at some point.
This time however, he made a mistake. The matter completely slipped his mind.
.....
He wasn’t sure if he was glad that he did.
Series
- Part 1 of Foundverse
- Language:
- English
- Words:
- 10,674
- Chapters:
- 8/8
- Collections:
- 1
- Comments:
- 557
- Kudos:
- 1,099
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- 175
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- 16,300
Bookmarked by MoonMoom
02 Jan 2026
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Killer slowly started developing an obsession over Dream, his enemy. How to best deal with that obsession? Turn up at his house to have the sense fucked out of him of course.
Bookmarked by MoonMoom
03 Aug 2025
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“Have you found housing for Geno yet?” Toriel asked. Reaper didn’t see a point in dodging the question.
“Not yet. I’m working on it,” he said.
“So where is he staying?” Sci asked, tilting his head. Reaper sighed.
“I have a guest room–”
“You are not keeping him at your place. Reaper,” Toriel’s said, her voice filled with concern and irritation. “What the hell are you doing?”
“I am. He’s staying in my guest room until we find a suitable place for him,” Reaper stated, realizing that he should’ve thought of a better way to breach this topic. Sci looked equally disturbed.
“That is a monumental liability,” he said. “Is your place up to code? There are standards that need to be met, have you considered that?”
“I did what I could at the moment. I’m working on finding him a place that meets his expectations, but it’s not exactly straightforward. I’m not a fucking realtor,” Reaper growled.
Bookmarked by MoonMoom
31 May 2025