ExperimentTale

Undertale (Video Game)
F/F
F/M
M/M
G
ExperimentTale
Summary
The monsters never knew what awaited them on the surface...or what would happen when Frisk, the last human to fall, would enter their lives. One of these monsters was Sans who was the first to be thrown off the rails of his usual resets. But something was different about this last human. The surface seemed welcoming but there was a secret waiting to unreavel.After Frisk dissapeard right after she freed monsterkind and was presumed they would have never expected to meet again after almost 10 years. It was a shock for all. And a bigger shock to see what the King wanted to achieve.
Note
Umm this is awkward i came up with this idea from reading multiple stories and to be honest i never expected myself to write this....AHAHAHAHA help me...well hope you enjoy this weird story i have created lord have mercy on my poor soul.... povs may change at first but i promise after this it will mostly be sans or frisk...i think...DUNNO im not even sure you can call them character pov xD im new to this ok? I do sometimes check back on my chapters to make sure no mistakes escaped.
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The Fiery depths of...Toriel's?

Chara was a bit surprised. She noticed that her brother noticed too: That human is peculiar and dangerous...They saved from afar their memory and reflexes are the best she has seen and it was...unsettling. But no one has ever acknowledged them before so she couldn't deny the human hit a soft spot. That's when the goat monster 'caretaker of the ruins' came to the rescue.

"My child! What are you doing here! Oh my i shouldn't have left you alone for so long...But i am sure you managed"

wait what...Their mom was acknowledging that A HUMAN was capable to take care of themselves?! She shouldn't be so surprised when it came to THAT human yet...it was Toriel after all. 

"Thank you, Toriel. you are indeed very kind"

"oh please child step inside you must be hungry and tired"

The human alongside the flower and the ghost stepped inside the warm house. Just like she remembered. The same light homey feel it always had.

"Oh child please wash yourself and rest while i finish the pie we were talking about over the phone. It was supposed to be a surprised" Toriel glanced at the flower monster that was now on the humans shoulder. Chara snorted. The unspoken scolding was so like her. The human didn't seem phased at all. They actually said this:

"he didn't need to tell me that it was a pie. Seeing your personality it was clear you have a motherly feel so it wasn't surprising when you asked me to choose between 2 ingredients that are used in pies or sweets. Didn't expect it to be those two but i understand the fact you have something more...accessible in the Underground"

What the?! Jesus she analyzes every little thing what is wrong with her?! She's like a robot.

"My my aren't you a smart one?" Toriel giggled pleasantly surprised at the humans words. Even the flower monster was actually smiling for once. She couldn't deny it is nice to be here and hear her mom.

"Ok child I shall let you wash yourself. Do you need a change of clothes?"

"I can't take these off, I apologize my answer will have to be no"

"I can help you if you can't reach"

"I can't take them off, I am not allowed to. My answer is still no"

"but child they seem so uncomfortable"

"N O"

Oh god...Damn Toriel stop insisting you will make this worse for yourself. Flowey was tensed and Chara could clearly see he was uncomfortable...Now awkward silence. Before the goat mom got to say anything the weird human spoke:

"I apologize it was rude to snap like that...Would you mind showing me the bathroom?"

"oh! Of course there is no problem!" Toriel beamed at the humans apology. Of course she would be happy the human cared. That weirdo even smiled. why is that human so nice and scary at the same time? Toriel led the human to the room she and her brother shared because it had a bathroom incorporated. Great back down this rabbit hole?

"you two seem sad?"

was that weirdo seriously asking them?...Heh they are too nice...

"well this used to be our room...before something happened?"

"care to elaborate or is it a sentimental subject?"

Flowey seemed to look down. They both wanted to get it off their chest. They couldn't bare being here. It hurt. She couldn't help shedding that tear and he couldn't look up.

"it's ok not to talk about things. As long as you don't bottle up until you explode"

"w-wha..?"

"that was something a dear person of mine used to say to me. Interesting if you ask me. It feels fit for this particular situation"

Damn this. Damn it all. Why is that pompous speaking weirdo right?!

"we...we weren't always like this" Flowey?!

"oh?" That weirdo was sitting down to listen to this like some kind of story?! Hell this is...unexpected..

"he is right he was a fluffy goat too" Mockery...that will make it seem like she's detached.

"and she was a human instead of a ghost i believe?"

"indeed I was"

That's how they started talking about the monster war, the way she fell, how they died, the resets, the save points, the human didn't question it they just listened. They just talked and talked and the pain got smaller and smaller. Why...Why was this pathetic human listening...why were they caring...why did it feel nice to talk to them.

"I decided I will help you out of the Underground."

Flowey?! What the fluffy Asgore are you talking ab--

"Pshh guess I have no choice I'll help you too"

WHY DID SHE SAY THAT?!

"I'm glad to hear I shall go and take a shower"

And that's what happened the human took a shower and they all went to sleep. For the first time in forever the two lost brothers were content and got a good night's sleep. But Chara was a ghost after all. She went ahead down the stairs to see Toriel still making knock knock jokes by the door with the comedian?! yuck but she had nothing better to do.

"Knock knock?"

"who's there" Toriel said with a giggle

"orange"

"orange who"

"orange you glad to hear me?"

Toriel laughed but she seemed sad.The voice from behind the door asked: "what's wrong? was it that bad? Maybe I should try to ketchup on my jokes" A noisy slurp came from behind the door. Gross...who drinks that crap?!

"no no it was delightful" Toriel said between giggles

"But another human fell today in the underground"

HAH She could feel the nonexistent blood of that comedian going cold. He really was as caught up in this as them when it came to resets.

"But i am not scared for their safety...I just think they would get rather...lonely...they have managed so far and they even saved me a couple of times...but they need a friend"

PFFFTT Really?! Wow ok her mom was too caring now. The old bag of bones got carried in another promise didn't he...

"promise me you will be a friend to them...please...I don't want them hurt...lonely..."

LOLLLL ok this is getting interesting to watch

"listen lady, i don't do promises..."

"I see...it's no problem I shall just take my leave and retire for the night"

OHHHH letting her walk awayyyy? PFFFTTT in 3, 2, 1--

"ok...i will be a friend, not a foe"

"oh thank you"

"Don't mention it.."

She better get back to "sleeping" now that the conversation is over...She floated back to her room and-- 

"had fun?"

HOLY ASGORE
"DON'T SCARE ME LIKE THAT"

"sorry" And again that warm smile.

"So why are you awake?"

"I don't need that much sleep...and I have insomnia"

Oh...damn is she actually pitying this weirdo?!She's going soft

"so got any good tea to spill?"

Did that human just...Maybe she won't regret helping them after all

"well...maybe I do" The ghost couldn't help the mischievous smirk. Yeah...she will like this human.
--------------------
Toriel was so scared when she saw another human and not to mention near that flower...yet the speed the child had when they chaught that monster by their stem. Toriel was scared when she saw what the human was wearing. She tried her best to be kind and she did but she was very much uncomfortable around the little human in a straight jacket. It was creepy to say the least. Thank god she still had a few old cameras that Alphys made because she was sure that the human was bad news yet...They refused to kill. Oh how the old mothers heart melted when she saw the human play patty cake with the small froggit or when she hugged a whimsum. That's when they decided to greet them the same way as they would any human: A butterscotch cinnamon pie. She didn't expect the question to also be addressed to that weed...but she was happy to see the kind soul that human had. She was even happier when the small human told her she observed and analyzed so much. She couldn't help it, such a kind soul needed protection. Yet...the way the room got chiller when the human said no, those abnormal skills she has...she needed someone to keep an eye on her. But she knew that the human was harmless. It was a feeling deep down that they were good and she saw it first hand. That's why she made up that lie to her friend from the other side of the door. The woman didn't even know the human's name. They refused to share any personal information.
The next day the human came with their 'companion' and they all ate the pie Toriel made the other day. She didn't expect the human to offer to help with the dishes nor for them to say they want to stay with her a bit longer even if they intended to leave. The old goat monster was so happy to have some company. The two (three since that flower was bound to the human like glue) would go around the ruins, recalibrate puzzles, visit the spider sale and they would talk and have such a nice time together. the human even knew more about snails than her. She was taking a liking in this human very fast. The two played chess while the flower would hit the clock for them. It was a beautiful atmosphere. The peculiar human would also help in the kitchen and they were so well behaved. Toriel also would hold history lessons to help prepare the human for their journey but for the first time in a long time, the mother wasn't worried. But she did spend the last day of the humans visit on cooking and gathering supplies.

"Oh child are you sure you can do this? Did you pack everything?"
"yes ma'am"

Now that was something she didn't like. She scrunched up her nose at hearing that word. She isn't THAT old.

"Well then let's proceed down"

As they were walking she saw the fire she was lightning taking a red-ish hue behind her. She did turn back once to check only to find nothing...such unsettling behavior but it seems most things affected by this child are sometimes creepy so the caretaker wasn't surprised.

"I know I said I would let you through as soon as we get here"

They both came to a halt in front of the delta rune door. The flower on the humans shoulder raise an eyebrow.

"but I can't do this...PROVE TO ME YOU CAN SURVIVE OUT THER--"

was the human even listening?! What was the little human doing?!They weren't even looking at her!

"Oh? Sorry you were going to begin?"
"w-wha--"
"i have been around the house and i have learned about the fallen children Toriel. I can clearly see sentimental attachment. You were bound to try and see if I'm strong enough to pass; after all you wouldn't wish for those 'mistakes' to happen again"

Of course she was smart enough to figure that...such a special human.

"if it makes you feel better...I do believe you did the right thing by letting those children go"

What is the human saying? Tears were forming in the goat monsters eyes as she started forming fire balls around her.

"yes indeed, if you wouldn't have let them go not only would the humans have been unhappy, they would have died after about one year or two"

J-just like Chara did die after...how....

"because humans aren't made to eat monster food nor are they meant to live somewhere where there is no sun, no natural oxygen. Not all humans can take the magical replacement plus these children had families on the surface."

The old mother couldn't take it she let out her rage by throwing fire after fire all aimed at the poor human. After she came back to her senses all she could see was smoke. Did she burn the poor human?! What has she done...She sobbed.

"It's ok to cry" Two small hands hugged her and she cried. How did they survive that?! How were they so nice to a murderer...But she wasn't a murderer...oh how she realized she felt guilty over something you can't control...some of her rage was gone...apart from the one for her 'husband'

"thank you child"
"anytime...now will you open the door?"

Toriel laughed. Oh how she will miss this little human.

"Of course. But after you leave you may never return"
"Ok....See you on the other side then!"

Wait what...? But the door already shut behind the human. Yes indeed...a special human.

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