Dunuthin_31
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Recent works
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Summary
This is my first fic, so please be gentle.
You live in a city in the 1920s (ish), and it is overrun with mobsters. You're cautious of everyone you meet and like to stay informed about what is happening around you, especially with the mob. Unfortunately for you, you come across a man with quite the... unique mindset for a mobster. You don't trust him at first, but he'll win you over eventually.
He will make sure of it.After all, how could you not fall in love with him?
This is short for now; I will be adding more later, as I'm currently sleep-deprived.
EDIT: updated some stuff on chapter 3, be sure to read it! -
Sooner Or Later You’ll be Mine (questions) by Dunuthin_31
Fandoms: Undertale/Mafiatale/Mafiafell/Felltale/Underfell
10 Oct 2022
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Alr everyone I need help, there’s a book on here and it’s not finished and probably won’t ever be, It’s called Sooner or Later You’ll be Mine and it’s killing me not knowing the ending.
Edit: SHE UPDATED IT!! OMG OMG OMG OMG OMG OMG OMG IM SO EXCITED OML!! I'm literally going to spend every free moment reading it again so I'm all up to date I'm so excited!!
Edit 2: I originally wrote this in 2022 I think, if you're looking at my fics, please ignore this one, I just don't want to delete it entirely for the old me's sake. <3
Recent bookmarks
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Summary
People are going missing, and it turns out you're one of them.
You wake up one day in the middle of a mad skeleton scientist's lab. You are his experiment. Problem is, he always gets what he wants.
Bookmarked by Dunuthin_31
23 Jun 2026
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Story is a dark and sinful (forced) love fic
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Summary: Doctor Gaster's heart is black and you will get to know it, first hand.Slime monster Gaster Ver
Bookmarked by Dunuthin_31
23 Jun 2026
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His Secret Specimen (W.D. Gaster/Kidnapped Reader) by Broken_Samurai
Fandoms: Undertale (Video Game)
07 Apr 2026
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W. D. Gaster has a secret deep in his lab. One no one in the underground knows about. Well, except the king, but it’s not as if he ever comes to check on things anyway. Some days Gaster wonders if the king even remembers he has his specimen in his lab. A specimen he’s kept for years, allowing him to perform any experiment on her he pleases. She is his. Totally and utterly his. No one will take that from him.
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Overseas an 1949 tale by Jesister
Fandoms: Underfell red - Fandom, Undertale (Video Game), Mobfell - Fandom, Mafiafell - Fandom, Sans - Fandom, papyrus - Fandom, gaster - Fandom
01 Sep 2020
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First college trip
Meeting new people and maybe a few monsters.
A mafiafell fanfic set in the swing / jazz era above ground. Where “you” our reader is off on an adventure and along the way bumps into a few men and monsters. * This story content has
Bad language, adult themes and violence *
All credit goes to the creators of undertale Toby Fox.Bookmarked by Dunuthin_31
07 Jul 2025
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Summary
Gaster missed one of the appointments he made with you. You seek him out to make sure he's okay and to ask him what happened, but something's wrong.
He's Gaster, but he isn't your version of him. And worse, he has no problem with the darker side of scientific exploration.Note: This isn't straight up smut. There is a plot involved.
Series
- Part 3 of Science With Gaster
Bookmarked by Dunuthin_31
21 Jun 2025