Forgettable

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OUTSWAPPED AU [MASTERPOST]

"we all change for the people we love. this? it's no different."

Here is where I'll be compiling all the comics and art for this au!

this au is meant to be a fun exploration of these characters. interpret it however you like, and feel free to leave suggestions.

as much as possible, i would like this to be an interactive au.

your choices matter.

[LAST UPDATED: Jun 1st, 2026]

Official Blog: [Ask Outswap!Chara - OPEN]

^ say hi NOW

"MAIN" COMIC

Timeline #1:

do the right thing? [analysis]

the root of all evil

Choose your Vessel!

i won't let this go to waste (part 1, part 2)

Dust of Snow

perverted sentimentality.

Timeline #0:

CHAPTER I: The Queen of All Monsters

CHAPTER II: The Royal Scientist

CHAPTER III: Captain of the Royal Guard

CHAPTER IV: Caretaker of the Ruins

CHAPTER V: It's a beautiful day outside

CHAPTER VI: good food, bad laughs, nice friends

CHAPTER VII: despite myself.

Timeline #???:

...DO THE RIGHT THING?

I will not let this go to waste.

dust and snow

i believed in you

MINI COMICS

Initial concepts (part 1, part 2)

Annoying Bob (part 1, part 2) [analysis]

MISC. ART

Happy Pride Month 2026!!!

ANSWERED ASKS

"How would papyrus handle the final corridor section?"

"Sans' favorite condiment?"

"Sans and Flowey hypothetical friendship?"

"Their reaction to meeting other Swap AUs?"

"Why are sans' eyes uneven?"

"What are the characters' "AU nicknames"?"

"Main differences between Outswapped and OG Underswap?"

"How would the AskError!Sans kidnapping arc go if it was OS!Sans instead?"

Sorry, spoilers lol

"Hmm, I'm curious to see what's going on with the Flowey situation in outswapped, since we know it's not Temmie. Is he one of the characters who goes unswapped?"

"Would MTT equivalent be mad dummy or napstablook?"

ASK-INSPIRED DOODLES

MWEH

Cat-related

Also cat-related

Do they give good hugs?

He is very very silly

QNA

"Which is it?? Outswap or Outswapped??"

both are correct, but for the sake of consistency, i will be referring to the au as outswapped and characters as outswap!character. the main tag will be #outswapped.

(credits to @freakazoiyde for coining the au name...)

"Do I have your permission to make—"

do whatever you want, as long as it isn't harmful! this is an open au inspired by a community au. fanart, dubs, translations, au-of-an-au... all are welcome. what is technically "canon" will be limited to what i confirm, but do not let that stop you.

"Will the Multiverse be involved?"

i do have some plans, but that won't be coming up anytime soon. probably.

right now, i will be treating this as a self-contained story.

aligned with the previous answer, however, you can make up your own interpretations of their relationship/s between other aus or out!codes. i love those.

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celebrating love in all its forms

[rahafwabas]

Happy month for the silent ones

[superyoumna]

Happy month to the loud ones for the silent ones

[rahafwabas]

:,)

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outswapped papyrus is... so incredibly lonely.

i feel bad just thinking about it.

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sometimes i forget papyrus is my favorite character and then i am reminded of deltarune chapter 5 and suddenly nothing is okay

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no matter what it gives us i'm going to be devastated.

no papyrus? devastated.

yes papyrus scenario 1: he's not important? devastated.

yes papyrus scenario 2: he's important and then it ends with way more questions than answers? devastated.

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absolute worst case scenario: he appears randomly and unceremoniously in town. you talk to him and there's nothing out of the ordinary. he says nothing of interest, or says the vaguest things that could mean anything. and sans is just like. oh cool you've met my bro.

do you know how much i will have to fight tooth and nail to defend him after that? insisting that this is meant to give us a false sense of security and that he's actually vital to the next chapters like the rest of the original cast? that the Serious Papyrus Fight actually exists and isn't just a part of my delusion?

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sometimes i forget papyrus is my favorite character and then i am reminded of deltarune chapter 5 and suddenly nothing is okay

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no matter what it gives us i'm going to be devastated.

no papyrus? devastated.

yes papyrus scenario 1: he's not important? devastated.

yes papyrus scenario 2: he's important and then it ends with way more questions than answers? devastated.

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sometimes i forget papyrus is my favorite character and then i am reminded of deltarune chapter 5 and suddenly nothing is okay

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youre aroace sans hc'er too.... so few and far in between you just made my day wahh ily. also you put into words how i also interpret orientations and relationships in UT and media in general oaahh its nice to see some others think the same :] I hope you know its appreciated and we love hearing your rambles !! thank u mwa have a wonderful day

forever an aroace sans hc'er!!! he is so so full of love.

[foolishdragon]

Space Vacation AU: Start!

I just wanted an excuse to draw Outer!Mettaton for 8 pages.

Part 1

Outertale by Mimi Pippinski;

Dreamtale by Joku;

Ink!sans by Comyet;

Underswap by UndertaleAUCommunity.

(Also error sans by Crayon Queen but he doesn't actually appear he's just mentioned so idk)

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as much as i adore the star and bad sanses, there is literally no multiverse where they with their canon personalities would ever happen. ever.

ink and dream's goals are fundamentally different. they wouldn't work together the way they're depicted as the stars. if they do come to an understanding (which is unlikely unless one or the other changes their ways entirely) they would not be close buddies. allies? maybe? when it benefits them?

then there is the dubious morality of letting blue, the mortal, either die on the battlefield, or (going with the "blue is immortal too" route) watch his family die first. not to mention that dream's aura would cause immense problems in the long run. no sane sans or papyrus from any pacifist timeline would put themselves into that type of situation.

and nightmare may use killer as a lackey, but dust and horror? i'm sorry, what are they even doing there? nightmare has no use for them. not that they would ever join him in the first place. they wouldn't. not even under threat. they'd rather die.

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outswap chara's first time celebrating pride month with happy memories

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why os!sans isn't wearing a flag:

as per the rules of outswapped, i try to stick to the undertale canon as much as possible. this means i will not make assumptions about the orientation or gender of a character without ample evidence.

undertale makes it very clear if a character is meant to be queer, clarifying their gender and orientation in various ways.

the game may not look at us in the eye and say the words "chara dreemurr undertale oc of toby fox is nonbinary," but only they/them pronouns are ever used for them, by family and strangers alike. by definition, they are nonbinary.

sans doesn't get that treatment.

we can guess that he's cis, because unlike the ghosts where "finding the right body" is emphasized, the game never makes an allegory out of the two skeletons we have in the same way. this gives us the freedom to interpret what they might feel about it any way we want, but strictly speaking, they are *probably* not trans in canon.

romantic and sexual orientation is handled in a similar way. there are various clues that imply their preferences. asgore and alphys like both men and women, undyne is strictly shown to like women, and papyrus called mettaton a sexy rectancle once which might suggest interest. (to me, papyrus could be more complicated than that. i could make an entirely separate rant about him.)

sans and toriel are close in both games, yes, but they are (at this time) not confirmed to be canon. i will not rule out a queer platonic relationship. and, since there is no way of knowing whether or not he would act the same way with her if she were a different gender, i have no guesses about his orientation.

so, yeah. in short, i don't know. sans is just sans. good enough for me!

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Would MTT equivalent be mad dummy or napstablook?

both

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If you don't have a bluesky account I highly recommend making one. (Btw your art is sooo yummy, I be munching on it every time I see it)

i do have a bluesky! still @ stringalink. i don't use it at all, though. i haven't explored enough to know how big fandoms are over there.

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at this rate, i'll have to make a masterpost compiling every single one of my ramblings. tags are not enough because i'm an organizational freak and i need everyone to know exactly where my outer sans defenses can be easily located.

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in a battle, i imagine comet's role to be focused on support and strategy

it's easy for the other the stars to get caught up in their own fights. usually, it's depicted as ink and dream having one-on-ones with error and nightmare respectively, while blue handles the murdertt.

i don't think that would change much by adding comet to the fray. what would change is their battle tactics. comet stays out of the larger conflict itself, and instead focuses on keeping track of each fight and individual. he would be the one to recognize the less obvious set-ups, and shift plans accordingly.

if he tells them to retreat, they retreat. push forward. rotate. distract. regroup. comet makes sure that they all receive the same information and know their orders, minimizing confusion and hesitation.

while ink is the leader of the stars and was usually the one to call the shots previously, comet's suggestions as the intelligence would very much prove invaluable.

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adding a little onto this, comet would definitely be the one to take over matters like paperwork and politics. the other three aren't incompetent, but they don't exactly have the life experience of a more normal person (save for blue, but his au never made it out of the underground). whereas comet's au has been peacefully resolved, and they've been cooperating with the omega timeline for what must be quite a while now.

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outswap chara's first time celebrating pride month with happy memories

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If you got an ask that just says "i absolutely love your art" that was me i was GOING to write more but i forgor how you turn off anon for a second and accidentally sent it too early 😭😭

But. What i was going to write was:

I absolutely love your art. I really like the expressions and poses and whatnot! As someone who recently started making his own little ut au comic making the sanses expressive white keeping their resting b.tch faces is kinda hard sometimes lol. Outswapped is also delightful to read, the concepts are really fun!!

I was reading your musings on Outer!sans and i noticed something, because i have been re-reading some old utmv comics: despite Outer having almost no wins, EVERYONE goes to outertale at some point. (And that it gets destroyed pretty often). That's just so funny too me. I even made two little comics about it, and am working on a third!!

The process has been really fun drawing these comics, if a bit tedious at times, and I don't think I would have started if not for you. Because I just wouldn't give too seconds of thought to Outer, or because I would just be too lazy to start haha.

Uhh that's it, thank you for inspiring me, sorry for bothering you, idk how to write conclusions to my texts-

awe, that's amazing to hear!!! art is never an easy thing to do, so it will always be an achievement to take on a project outside of your comfort zone. be proud. i am so very honored to have inspired something within you to such an extent.

i sincerely wish you the best of luck in whatever you decide to create. whether you decide to share it with others, or keep it to yourself, i hope it is made with genuine love for the characters and the purest of intentions.