Quantumtale After Life

Undertale (Video Game)
F/F
F/M
M/M
G
Quantumtale After Life
Summary
After a wrong RESET Frisk and Flowey got sent back in time when all her friends were around her age. The souls have been scattered around the Underground and they keep messing with time. After this RESET Sans is now able to control time. Frisk has managed to restore her world from before the RESET after she gathered the SOULS, a new Frisk and Flowey being born. But she and him never left this world. She freed the monsters in this world. She's living alongside her 'new' friends down in the Underground, officially becoming TimeKid!Frisk and we are taking a look into the lives of our Quantumtale friends. (Yes, humans sometimes come to the Underground and monsters go to the Surface).
Note
Sooo~ We'll starte nicely, we're going to take that beautiful one-shot 'Royal Rivalry' by perfectshadow06 (also the creator of this beautiful AU) and i will make it Frisk and Sans.
All Chapters Forward

It's just a project I swear!!

"Hello kids! I hope you are ready for our parenting project!!" Frisk spurted out her juice as Sans dropped his pen. Undyne fell off her leaning back chair and Alphys dropped her glasses. Toriel dropped her book and Asgore froze dead in his spot. Mk sunk down in his seat and Gorgette's snake froze. Mettaton turned towards the teacher in shock and Napstablook faded away. Chara and Asriel both pulled out knives from under their desks, ready to jump the teacher.

"Settle down children. We have a special assignment. It's half of your overall grade. You need to take care of this magical mechanical baby. It's magical because it works on magic powered batteries and it changes it's appearance to look like the project partner's. It will cry every time it needs something such as food, attention or dippers or even if it's uncomfortable." All the kids in class face-palmed at the same time. Frisk and Sans high-fived as they noticed they corrupted the whole class.;

"Come on children, pick your project buddies and start picking the babies up." Frisk and Sans watched as Alphys and Undyne got up first and picked the doll up. It immediately morphed into a water lizard. Frisk's eyes and Sans sockets widened. They immediately went full Gaster mode. Frisk looked at the joints and eyes. They were clearly mechanical. Sans then turned the baby with the back towards him.

"here, frisk. how much do you think the battery will last." Frisk frowned

"7 days on a maximum. it's clearly an one week project." Sans nodded. Frisk the frowned.

"what's wrong?" Sans asked.

"The mechanism for the points it's clearly inside the doll. We can't get it out without damaging it...which means-"

"we'll surely get caught...shit- what about a subtle hack?" Sans asked. Frisk shook her head again.

"It's clear they used a bigger module than other times...They learned our tricks." Sans frowned.

"it's a dark day..." Frisk nodded.

"Dark day indeed..." Undyne looked at them unimpressed.

"Just get your fucking doll...It's not like you'll die or something..." Frisk raised an eye-brow and smirked.

"Wanna be--"

"no." Sans said frowning as Frisk giggled and they both went forward to get the child. It immediately morphed into a pale human, almost white like an empty canvas. It had a nasal cavity and black eyes with white pupils. It also had a small fluff of hair like how Frisk used to have when she was a child and it was white with a brown-ish hue. Frisk and Sans both blushed a bit as they looked at it.

"It's kinda cute!" Frisk said smiling as she looked at the mechanical doll.

"we look good mixed together." Frisk raised an eye-brow, amused at him. He shrugged.

"That was your worse pick-up line..." Sans chuckled. 

"guess i'll have to try harder eh?" They both laughed. Frisk tilted her head at the little doll. It did the same. Frisk blinked in surprise and so did the baby. She frowned at the doll and so did it. Frisk started giggling and the doll giggled mechanically as well. Sans snorted.

"like mother like child?" Frisk snorted and playfully punched him. Next up were Asriel and Chara. It was interesting to see the child be a human like goat monster.

"Huh...That does look like you two, eh??" Chara blushed.

"Shut up you weirdo..." Asriel was blushing as well. It's clear they were way past the brother-zone. Frisk chuckled. Chara frowned at the baby and it frowned back. She let her black marks show on her face and the baby mimicked some of the marks. Chara gasped as her eyes twinkled. Asriel face-palmed. 

"This truly is my child!" Chara said, triumphally. The next baby was Gorgette's and MK's. It was armless like MK and it had Gorgette's hair. Toriel's and Asgore's child was just a goat monster then it was Mettaton's turn. Sammy pulled him after her.

"HELP! A TASTELESS RAG IS FORCING ME TO PARTNER WITH HER!!" Mettaton said as he passed Sans and Frisk they just chuckled and waved. Undyne pretended to be sad and shed a tear.

"Rest in piece soldier. You will be missed." She saluted. Everyone laughed at that. 

"sooo....wanna prank dad with this??" Sans asked with a smirk. Frisk raised an eye-brow. 

"I'm all ears..." They both smirked and fist-bumped. 


"heya old man." Sans said as he and Frisk both teleported. Frisk was holding the doll behind her. Gaster raised an eye-brow. 

"Ah, kids! I see you are home! How was school?" The smiled. 

"good. we even have a surprise for you!" Gaster raised a bone-brow, clearly amused at their giddiness. 

"Well then, let's see!" Frisk pulled out the doll. 

"dad, meet your grand-child." Gaster froze. 

"grand....child....?" He asked with blank sockets. The next thing the two knew the man was falling backwards and he fainted on the floor. 

"oops...THAT didn't go as planned now did it...?"

"Indubitably..." Frisk said as they both looked down at Gaster.

The child then started crying. Shit-


Gaster woke up to a groaning Frisk. 

"That doll cries so muchhh...You take it." Frisk said. Sans frowned. 

"the hell?! but it's not my turn yet." Frisk frowned. 

"It was supposed to be 15 minutes ago." They both were silent. 

"oh..." Was the only thing his son said as he picked the doll up. 

"So that thing is a doll...?" The both flinched. 

"Jesus Christ you scared the living shit out of me!" Frisk said putting a hand on her chest. 

"Oh thank god that is just a doll...I haven't had the talk with Sans about how humans work." Frisk blushed red brightly. 

"Jesus Christ, at least don't have it with me sheesh..." Frisk said backing away. 

"humans work differently??" Frisk and Gaster snorted. 

"Definitely..." Frisk said as she covered her face with her sleeves. 

"Is this one of Misses Doods projects...?" Frisk and Sans both nodded. 

"Whole week...?" Gaster asked. They both nodded again. He sighed and got up from the couch where he was moved. 

"Good luck..." The kids looked at each other and they sighed. This will be a long week. Andddd the doll is crying again. 


It has been 3 days since Misses Doods project and Sans and Frisk were now nailing it. Their baby barely cried and when it did it would stop after a few seconds as they both got used to it and they always worked well as a team. They were now doing homework in class and Alphys and Undyne were trying to make their baby stop crying.

"GOD DAMN IT! THIS THING MUST BE BROKE--" Frisk took the binkie from Alphys seat and put it in the baby's mouth. The doll stopped crying. The two monsters stared at her blinking in disbelief.  Frisk snorted at them. Sans chuckled. 

"Man, you guys are good at everything..." Frisk smiled and tipped her non-existent hat. The doll started giggling at the gesture. 

"man we're so close to getting a good grade..." Sans said smugly. Toriel frowned. 

"Speak for yourself...THIS DUMBASS DROPPED THE BABY ON THE DAMN STAIRS." Toriel said looking at Asgore. Asriel snorted. 

"He did that with me too..." The two sighed. 

"I'm sorry ok??" Gorgette scoffed. 

"At least your partner didn't amost drop him in a toaster." Frisk started laughing. Sans was stiffling his. 

"My partner decided to dress our child in rags!!" Mettaton said then Sammy gave him a slap. 

"HOW DARE YOU YOU STUPID-" Sans and Frisk's doll woke up. Frisk picked it up and started rocking it. She sighed and eyed the others. They shut up at her glare. 

"Listen, i won't fail my class on this, ok?? I may have not had the best parents but i can try at least--" Undyne looked away. 

"That got depressing quick..." Frisk snorted. 

"Sorry...." The baby started crying again. 

"You change it this time." Sans frowned. 

"really...? you do it--" Frisk put two fingers in her ears and started singing. 

"Tears falling down at the party
Saddest little baby in the room
Fears,tell me fears, don't get me started
I get a little grey hair for every scare we share!" Frisk said. Sans rolled his eyes. 

"ok ok got'cha sheesh.." The bell rang and they all waited for their teacher. 


Frisk was banging her head in the desk. She hasn't slept at all last night thanks to that stupid doll. Sans grabbed her shoulder's and stopped her. 

"stop it, baby-bones...you're hurting yourself..." Frisk sighed as stopped. Sans rubbed her forehead. 

"you ok there...?" Frisk nodded. 

"Yeah...just stress...it's clear we aren't ready for a kid at 14 lol..." Frisk said smiling. Sans sighed. 

"that's just beacuse you didn't let me stay up with you yesterday..." Frisk shrugged. Finally Misses Doods stepped in. 

"PLEASE TAKE THEM!!" All the kids screamed the woman laughed as the dolls have been turned off and given to her. She opened them and started counting and smiled. 

"I am happy to tell you all...the bigget grade appeares to be from...FRISK AND SANS!!" The two looked at each other and they high-fived. 

"ALRIGHT!!"

"Next, we will have Sex Education--"

"NO!!" All the kids screamed. Oh Jesus Christ they were all screwed-- but that is a story for another chapter. 

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