Memories, rebirth, and magic? Okay then... (Undertale fanfic)

Undertale (Video Game)
F/F
F/M
Other
G
Memories, rebirth, and magic? Okay then... (Undertale fanfic)
Summary
After finally getting to the surface again, everyone thought it was all clear from there. Well tell an accident kills frisk (cuz I am a jerk okay!) and leaves the group devastated. Frisk promised Sans she wouldn't ever reset again no matter what, and she kept it. But he was the most recked by her death, and foolishly made a machine to reset time back to the start in hopes of saving Frisk. But things seemed off? Had he really messed with the code this much to unlock a secret no one knew was hidden. (Also Gaster is back cuz I said so and is sans and papyrus' dad cuz why not? Warning slight Toriel x Asgore cuz they probably wouldn't have split if human's weren't killed)This is based off of some really dumb theories and fancanon's I have... Pretty much the idea is that Chara and Frisk are reincarnations of two sides of the red soul from the monster war? And so is papyrus for the orange soul and sans for the blue? The reason I will probably explain in a chapter?
Note
So I added something's to this chapter hopefully it makes it look less rushed XD I want to describe the death scene but I'm nite sure if I want this story to be rated M for the gore I wish to put that is in this au XD so I will decide later!
All Chapters

(I have no idea what to name this um...) Something something barrier human shows up... _φ( ̄ー ̄ ) yes.

Sans was awoken by the harsh light of day... No wait it was a flashlight in his face... "Sans it's 9:54... You'll be late if you do not get up now." His father said calmly. "Come on I'm bone tired..." Sans whined trying to cover his sockets. "Sans the king and queen will not keep letting you get away with this forever... Your brother already left." Gaster said scoldingly (okay so I only though of th middle part... This is just filler to make it longer? <_<) Sans continued to be stubborn about getting up tell he remembered this wasn't his timeline and that he should atleast try to act like their sans... So he got up very unwillingly, once Gaster left his room he decided to see just what this sans liked to wear seeing as most timelines are different in style. "...Why do you not own a hoodie? You have jackets but not hoodies?" He asked wondering if the voice sleeps to "Don't judge... They have pockets on the inside... Also I was banned from hoodies after an accident with a wig head." Sans decided not to ask about it and just put on a plain gray sweater and black jacket, along with what ever sneakers he could find. "Those don't match!" the voice complained "Don't care to lazy to find matching ones." Sans said shrugging. He left the house soon after.

Sans barely made it to the castle on time, but he made it. "Sans! I was starting to think you would sleep in again." Papyrus said glad his brother wasn't late. "I almost did but 'dad' gave me a shining reason to get up." Sans said sighing. "Good to see you both, it's a nice day today." The king said waving, the queen next to him "I'm surprised you both made it on time." The queen said smiling warmly at the two. It reminded sans of how his Toriel would smile when frisk was around. "Wouldn't miss it for the world your highness." Sans said respectfully "Please call us by our first names it feels odd any other way." Toriel said sighing. Sans guessed this wasn't the first time she told him this.

After a bit of chatting the Dreemurs showed the two skeletons the barrier. "This is the barrier. Gaster has been studying it and the legends for some time now, both what our legend says and what the few humans we've met tell us of theirs." Asgore said looking sadly at the magic walls, Sans noticed Papyrus looked away like he did something wrong. "He informed us when Chara was still here that the barrier being made of magic would need strong souls with strong magic. The humans told us magic is a rare thing nowadays on the surface... But they mentioned that some cultures believe in reincarnation, and that would mean the original 7 mages could have been reborn as anyone... Even as a monster." Toriel said looking Sans and Papyrus in the eye sockets. "What does that have to do with us?" Papyrus asked confused. "Well as you know the barrier has a strong and violent reaction to sans when he get close, Papyrus could you place your hand on it?" Asgore requested of the taller brother, he complied and the barrier shook for a second and glowed a bright orange. "It only did that when one of the mages touched it." The skelebros were left confused as Toriel said that there was still more research to be done on this but that they might be an important key to the barrier. Papyrus decided to go back to what he was doing before the meeting, and Sans went to the ruins door to see if the human had left yet.

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"Wake up." Frisk's voice ringed in the human's head, but they didn't move "Wake up you f-" Chara's voice said angrily and the human opened their eyes and sat up. ".... He brought a cake in here as we slept." The human said their red eyes landing on the chocolate cake next to the bed. "Red... You don't have to stay here. We need to find out if we can help them." Frisk said trying to convince the human to leave the ruins. "But he'll be all alone. Let's stay a little longer..." Red's monotone voice said quietly, the two children needed to agree to make red do what they wanted, and sadly so far that was proving to be harder then first thought, red was broken like this and did whatever with out a care. "Are you awake?" Asriel asked opening the bedroom door, "Yes I'm awake. Did you need something?" Red asked tilting their head which made some of their short brown hair to get in their face. "No. I just wanted to make sure you were okay." Asriel said smiling at them "He was always to nice..." Chara complained she hated that about her brother she worried that someone would use him. "I'm fine thank you." Red said politely, Asriel nodded before walking away. Red soon decide they wanted to read a book, so they hopped out of bed.

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