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Located:
+S through Z » UnderTale
Kid Chara explores her sexual urges hidden under the eyes of Toriel and Asgore as she seduces Asriel.
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Located:
+S through Z » UnderTale
Long, long ago, a race of magical monster girls were banished underground, underneath a tall mountain. When Frisk, a shy teenager, climbs the mountain, she tumbles into the mountain and discovers that not only are the monsters magical, they are also very horny and eager to show Frisk a new world of possibilities...
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Located:
+S through Z » UnderTale
In the long-awaited finale to Undertale's infamous Giantess series of fanfics, Flowey ships himself to Alphys as a shamelessly, blatantly fake "lover's gift" from Undyne and deliberately gets himself sniffed right up the poor lizard girl's nose and into her brain, where he then immediately proceeds to wreak all kinds of publicly humiliating, torturously painful, rampantly destructive, emotionally devastating, and often graphically disgusting/gruesome havoc inside!
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Located:
+S through Z » UnderTale
Flowey's been naughty. Chara has a plan in mind. (Established poly relationship, nonbinary Chara [AMAB] and Frisk [AFAB], human Flowey. Facesitting, orgasm delay/denial)
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Located:
+S through Z » UnderTale
Between two part-time jobs and coursework, you don’t have time to look for a serious vanilla relationship - much less something more suited to your tastes. Turns out a certain Mutt didn’t get the memo.
Slow-build: this was meant to be a PWP, but… I think it may develop a plot. SwapFell Papyrus (Mutt), SwapFell Sans. This is what happens when I can’t find enough stories featuring Mutt, apparently. I’m... sorry? #SorryNotSorry
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Located:
+S through Z » UnderTale
Love is in the air: you just want to have a word with your new neighbours about their weird valentines day decorations. Who the heck puts out pumpkins to celebrate love? And why are they trying to lure in kids like weirdos? It’s not like you are hoping to get your hands on one of these sweet-sounding nice creams they’re apparently handing out. You are just being neighbourly…(that’s it...honest!)
Misunderstandings, mentions of past abuse, skele-feels, and baking. My first Undertale fic so, ah...please be gentle, and I hope you enjoy?
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Located:
+S through Z » UnderTale
Another G/Gaster Sans story. This time Don G from mafiatale/mobtale X another OC; modern setting.Inspired by comics on tumblr of "Kitten and the Don" by Nyublackneko.OC will be different from Frisk/Kitten in some ways, and in some ways very similar.The Don's unfortunate circumstances lead to the most important meeting of his life. An odd thing to have happened to him not in his 20s, but his late 40s, when he expected things to slow down somewhat. She's barely 30 and never imagined at this age she would be in such a strange place. Lots of fluff/pining. Explicit sexual content later.
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Located:
+S through Z » UnderTale
After a Mettaton concert, you decide to go try and get Mettaton's signature with your backstage pass. But thinks take an unexpected turn quickly.
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Located:
+S through Z » UnderTale
I was never quite right in the head. I know this. I never really fit in with the crowd. I never tried to fit in. The world is a dark place. The deeper down you go, the darker it gets. When I'm in danger is the only time I ever truly feel alive. My only friend, the only person I actually consider a friend invited me to a camp out with some of her friends on Mt Ebbot. They aren't exactly pleased to have me here, but this is where one story ends and another begins, so let the fatal game begin as we'll all fall down…
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Located:
+S through Z » UnderTale
G/Gaster version of Sans x OC. Monsters have been out of the Underground for some time. G Sans is a professor of Physics at university, where he meets a young woman named Hana. Fluff/Teasing. It just goes on, so if you like short, sweet and to the point, beware! Explicit ;p Have thought of continuing the story since it could become legitimately interesting.For the other filthy-minded people like me out there who enjoy this particular version of Sans. This is complete and utter trash and I am ashamed of myself.Enjoy.
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Located:
+S through Z » UnderTale
Sent to climb the infamous Mt. Ebott on a dare, you suddenly find yourself lost a world filled with beautiful women, a talking flower, and danger around every corner. Can you survive? A monster girl novelization of the original Undertale.
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Located:
+S through Z » UnderTale
Ah, yes, the classic Alphys X Francis (Alphrancis) joke shipping...I never expected it to catch on quite to this degree, but now...well, here we are, and I honestly couldn't be happier about it even if I tried. All I can really say about this utterly batshit-insane work of art of a fanfic without spoiling anything about it is that if you want to see Alphys and Francis full-on fucking each other, this is your best (and probably only) bet. Oh, and did I mention it's over 35,000 words long?
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Located:
+S through Z » UnderTale
In this short but sweet follow-up tie-in to Alphys' Bad School Day that is almost undoubtedly THE kinkiest Undertale fanfic ever written, Alphys and Asriel and friends return to MTT Middle School for yet another goofy, wacky and ever-so-hilariously-action-packed day...only this time, Gaster has secretly implanted foot-fetish chips into everyone's brains!
Uh, yeah, I think you can already see exactly where this is going XD
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Located:
+S through Z » UnderTale
Asriel awakens in his adult form after the events of the good ending. Guilty and afraid, he seeks out the one person he feels he can trust. Smutty stories featuring various characters. Adult Asriel, futa Toriel, young Asriel, Chara, and maybe more in the future.
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Located:
+S through Z » UnderTale
Alphys attends her very first day of junior high school and meets up with an adorably colorful cast of dear and beloved friends...oh screw it, who am I kidding?
From taking massive shits on Pirates Of The Caribbean and Homestuck to beautifully satirizing the Trump VS Hillary debate, cooking like JerBear, and even going inside Toriel's body to take control over her brain and humiliate her beyond belief, Alphys and her friends end up doing more ludicrously random and hilariously brilliant things here than you can shake a stick at.
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Located:
+S through Z » UnderTale
In the official finale to Alphys VS Undyne's incredibly disturbing giantess offshoot series, readers learn just how fucked-up things can actually get in it as Alphys invades Toriel's brain in just about THE most painful way possible without killing her, then mind-controls her into brutally raping her own family in just about every single way possible, prompting said son and husband to then rape HER back in retaliation. Man, is this all kinds of fucked-up or what?
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Located:
+S through Z » UnderTale
In what is more than likely THE most fucked-up fanfic ever written by the Undertale fandom (for real this time), Asriel watches a tad too much Alphys VS Undyne and decides to reenact the series' infamous Alphyne giantess scenes...only with him and Toriel! Needless to say, things get EXTREMELY fucked up EXTREMELY fast.
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Located:
+S through Z » UnderTale
A complete compilation of both of the infamous giantess Alphyne scenes from Alphys VS Undyne, featuring every single thing you loved and hated about both of them! From Alphys and Undyne taking control over each other's brains just for the sake of publicly raping and humiliating each other to Undyne forcefully unbirthing Alphys, Lemon Bread skewering Undyne's entire body with his cock, Alphys going down Undyne's diarrhea-spewing intestines like a waterslide, and everything in between, it's all here and just as disgustingly kinky as ever.
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Located:
+S through Z » UnderTale
In a sort of role-reversed sequel to the infamous Giantess Alphys X Undyne scene from Chapters 4-6 of Alphys VS Undyne, Undyne steals Alphys' shrink ray and shrinks her to nearly microscopic size, allowing the two of them to exact revenge on each other in just about literally the kinkiest and grossest fashion imaginable! Viewer discretion is strongly advised.
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Located:
+S through Z » UnderTale
A glorious compilation of all of the woefully underrated fap material I've written about the ever-so-adorable lizard-nerd known as Alphys from Undertale, containing podophilia, macrophilia, mind control, bestiality, BDSM, bondage, dom/sub, S&M, femdom, penetration, unbirthing, vore, tickling, fellatio, abuse, breastplay, bukkake, scat, vomit, earwax, toejam, urine, gang rape, sleep sex, tentacle rape, and who-knows-how-many other fetishes galore. Enjoy, you nasty sickos! <3
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