7 Works by MoonMoom
Listing Works
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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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Summary
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?
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“Be careful with him, he’s here” Anna moved to walk away. Julie's eyes widened and looked over at Joey who also seemed concerned.
“Maybe we should cut this short and send him back?” She asked Joey. Frank made a confused face before getting annoyed. He had just gotten here.
“Why what's wrong? Did I do something?” Julie’s eyes widen before she shook her head rapidly.
“No no no it’s just…there's someone here who can be a lot for someone like you to deal with. And the issue is…” She seemed to have a hard time explaining it. “How do I say this?” She looked him in the eye. “You are very much their type.” -
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Summary
The radio hummed as he drove on the iced roads. It was supposed to be summer but it didn’t seem like it to him. Probably because he was so used to the warmth down in Florida. He had been driving for far too long, all because his idiotic boss decided to move him. Though it kinda saved his life. The police were getting smarter. He was going to have to leave sooner or later. He just would’ve liked to move somewhere just a little warmer. His glasses laid on the dashboard. He smiled when he passed the sign. 'Ormond population 7,342.' This is going to be fun.