1 - 20 of 81 Works in Dusttale Sans/Something New Sans | Killer (Undertale)
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Killer catches feelings for Dust and becomes more than a little obsessed. But love is complicated and so are these mentally ill twinks, so things don’t remain smooth sailing for long.
(The rewrite + new chapter)
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He’s so engrossed in his own internal dialogue he barely registers that he’s grabbing the door handle and swinging it open, revealing Killer’s room. The first thing Dust does register, however, is that Killer is indeed half-naked, but he isn’t jerking off. Honestly, Dust kinda wishes now that he did walk in on Killer cranking it. It would’ve been far less awkward.
Dust walks in on Killer.
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i'm the only one who'll love your sins (feel the way my voice gets underneath your skin) by altariart
Fandoms: Undertale (Video Game)
24 Aug 2025
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Dust resented the heat that churned in his gut whenever Killer came back smeared in blood and ash. That instinctive salivation, the unwilling hunger that locked his gaze in place.
Worse was when Killer caught him looking. When he’d drag his wet tongue along the blade, slow and filthy, meeting Dust’s stare with that knowing curve of his mouth that made his marrow crawl.
By the time they completed their task, the air was thick with the stench of iron and rot. Corpses lay strung like disfigured toys, blood pooling between split-open torsos and entrails. Killer strolled through it all like a boy in stripes, carnage dripping from his clothes, expression wickedly unburdened.
He halted in front of Dust, tilting his head as if reading a noted confession. Killer saw right through the rigid mask he wore, and he reveled in it.
Series
- Part 1 of Kist's Corpsefucking Chronicles
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just Killer giving Dust aftercare.
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Am I bad, am I bad, am I bad, am I really that bad? by physicsfailer
Fandoms: Undertale (Video Game)
20 Aug 2025
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[Title from Laplace's Angel by Will Wood]
Killer wakes up unable to see. Again. Luckily, this time he isn't going to freak out. Probably. Maybe. Just don't think about how he's useless without his eyesight.
Feat. Dust and Killer somehow being semi-functional together. -
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All the members of Nightmare’s gang struggle with their own issues. From mental anguish to physical pain, they struggle to cope with their conditions. But luckily, they have each other.
(Poly Bad Sans, character study/slice of life)
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This is my tribute to MTT Week on Tumblr. These are fics focusing on the Murder Time Trio in duos, singles, and of course the trio. I’ll label whose the main characters in the chapter title.
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Dust was on his couch after yet another long day at work when he saw a blinding flash of light in his garden. Getting up he slowly approached the bay window to take a look outside... and saw four strange skeletons dressed as a viking, a noble, a knight and a Roman yelling in foreign languages at each other.
He didn't know why he opened the window nor why he invited them inside, but he did, and by doing so he sealed the beginning of a very weird adventure with his four new roommates...
Dust - Modern Time, speaks English
Horror - Scandinavian Viking, speaks Old Norse
Killer - Ancient Roman, speaks Latin
Cross - Medieval Knight, speaks Old French
Nightmare - 17th cent French Noble, speaks Classical French(Cross-posting on Tumblr ! @/mikimakiboo
Basically a story about the boys coming from different time periods and time traveling together
Short chapters but it allows me not to burn-out too fast :'))
Series
- Part 1 of Time Travelers AU
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A night shared between a King and his spymaster. It’s just as they want it, in their private space where no one can dictate how they act. It’s perfect.. Almost.
a dustmare royualswap oneshot(???)
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Black n' White Wacky Paranormal Adventures by Kistplosion
Fandoms: Undertale (Video Game)
07 Jul 2025
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Dust has always been obsessed with ghosts, the paranormal, and all things supernatural. Most people think his fascination is weird, even his friend Blue doesn’t believe in ghosts. Determined to prove him wrong, Dust takes matters into his own hands.
Killer, on the other hand, is an urban explorer who documents abandoned places through videos and photography. When their paths cross, the two end up in a bizarre encounter that goes viral overnight.
Now, the internet has dubbed them the next big paranormal investigators, and everyone’s demanding more. The only problem? They have no idea what they're doing.
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Dust was killed by Ink in one of their battles. Three months later, he returns, but Killer feels something off in him and decides to observe a bit more.
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(desc too long for ao3 oops)
Undertale#297. Glitched, unstable, banned from ever being contacted by Multiversal visitors out of fear that it could get worse. But no one considered that the Sans within would reach out. It was rare for an AU to figure out AU travel by itself, after all.
And yet, Check figured it out. But to jump immediately into a Multiverse with no sure way back and no knowledge of its happenings? No, he had a proclivity towards impulsivity, but he wasn't an idiot. Measure once, check twice, after all. So he took his time. Figured out how to target the portals, learned how to return home, refined and slimmed his design down until it was handheld, and most of all, he learned the politics of the Multiverse.
But something about it didn't sit right with him. He'd been Dust and he'd been Killer, so why were Dust and Killer spreading "senseless" negativity? He didn't know, but honestly…he didn't care.
He saw his copies, and his only thoughts were those of mischief. It was an awful idea, and he'd definitely get hurt, but…
Well, a bit of harmless impersonation was always fun.
Or; Check travels universes for the lolz and indirectly stops an eons-long war by doing almost nothing
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- Part 2 of Checkverse
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This is my personal spin on the Undertale Multiverse which includes the same characters but with varying differences and backstories. Most of this focuses on the two prominent groups the "Bad Sanses" (which consists of Killer, Dust, Horror, and Nightmare) as well as the "Star Sanses" (which consists of Blue, Ink, and Dream).
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- Part 1 of Sauceverse
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Dust has been a wreck ever since his beloved little brother died in a bizzare accident. He’s shut himself off from everyone, drowning in guilt and haunted by memories that won’t let him breathe.
Just when he thinks things couldn’t get weirder, a mysterious spirit, who looks suspiciously like his brother, shows up and drops a bombshell: his brother’s death wasn’t an accident.
Now Dust has to uncover the truth and find out who’s really behind it all… by becoming a magical girl?
Yeah. He’s just as confused as you are.
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If Killer was being honest, joining forces with Nightmare wasn’t such a bad idea.
Sure, Nightmare never exactly treats him the kindest. In fact, he constantly abused him, both physically and emotionally, and Killer could never quite keep himself composed in his presence. But living in a grand, gothic castle, wasn’t the worst trade-off. It wasn’t an ideal life, but it was something.
What he hadn’t expected, though, was that being here would lead him to someone who would change his life forever.
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Nightmare wakes up one day and doesn't remember anything of the past hundreds of years. Now he has to re learn everything he knows.
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preservation by talksh0w
Fandoms: Undertale (Video Game), Underverse - Fandom, Xtale - Fandom
18 May 2025
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“But I have chosen you, and you shall do it. I want you to turn a new leaf, and in the process, get me some information from the inside—“ Nightmare nearly seemed amused at the confused expression of the latter.
“—You will also prove to my brother’s team that there is no salvation, nor rehabilitation for those under my reign. Maybe that’ll crush some little remaining hope in the meantime.”
Killer acts like a good guy as a mission from his totally amazing boss Nightmare. Many, many issues ensue.
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Killer and Dust... But Dust is in heat...
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Killer's struggling with eating, but luckily he has someone that does care.
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Nightly Love by Sirius (SleepyStarSirius) for LunhasIssues (LunTurney)
Fandoms: Undertale (Video Game)
22 Apr 2025
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A drabble about the Murder Time Trio (Dust, Killer, Horror)... Specifically, MTT poly.
Sliiiight bite of angst, but mostly fluff.