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Undertale: My Forgotten Fantasy

(Warning: This is my first fanfic so please support me. p.s. The game undertale and the picture is not own by me, also its an AU not the original universe, so if something doesen't make sense, in this universe it does. P.s.s. I am also going to put in some love scenes, but the thing is, I don't think it's rated 18, but rated 13 since there is kissing since the main characer is a skeleton.)(A/N:My goal is at least 100 chapters.) This story is about a 18 year old boy reliving his past memories, hopes, and dreams he had when he was young. Only for him to realize that his final wish came true. With his imagination and power in his hands, he will protect his universe at all costs. Just to relive his fantasy.

FerretLover · Video Games
Not enough ratings
27 Chs

Christmas Special

After that mess I teleport to my house to see my brother Papyrus waiting for me. He seems to be worried.

"Sans! I got a message from a stranger!" Papyrus cried out, he hand out his phone towards me. I took the phone and checked the message.

*From SuperCoolSkeleton*

-To all Sans and Papyrus AUs around. We are having a Christmas party starting at 3:00 pm. Please wear Christmas sweaters or cloths to the party.

-Press blue button along with your brother to enter the party!

AUs huh, I knew they existed but I didn't think I would be invited to a Christmas party. In my past life I was never invited to a Christmas party. The only parties I was invited was birthday parties, and the graduation party. I looked at the time and saw it was 2:29 pm.

'Looks like we are invited to a Christmas party bro' I said, Papyrus was shocked.

"A Christmas party! I have to wear my Christmas sweater!" Papyrus rushed up the stairs to his room, if you listen closely you can hear drawers opening and rustling. For me I just used overwrite to change the back of my black sweater with a neon green tree. 25 minutes later Papyrus came down with a red, green, and blue Christmas sweater, it had a snowman on the front while snowflakes covered it.

"D, why aren't you wearing a Christmas sweater?" Papyrus asked, I simply showed him my back.

"I guess that counts, so where is this Christmas party?" Papyrus asked me again, I replied.

"Grab my hand bro" Papyrus grabbed my hand and I pushed the button. The surroundings change as it changed into space? The surroundings seems to distort as the surroundings suddenly change again as we appear in a giant room. I looked around and saw many versions of me and Papyrus. I wanted to make a good impression, so I used the active of my skill 'Love'. One of them, wearing a blue bandana around its neck, instantly had red blood gushed out of this nose.

His papyrus grabbed a tissue out of nowhere and blocked the blood from coming out, he then stared at me 'menacingly'. Other skeletons noticed the chaos and noticed me, the next moment everyone had a deep blush with some of them having nose bleeds as well. Noticing this, I turned off 'Love' and the blushing reduced but everyone was still blushing.

"What the hell are you!" One skeleton asked, he had shark teeth with one of them being gold, and one glowing red eye.

"The name is D, and this is my bro Papyrus" Papyrus then waved at them.

"Its glad to meet you all, its been a long time or at all since I have ever met another skeleton other than my brother" Papyrus said, The skeleton with the blue bandana stopped bleeding and got up to introduce itself.

"Hi! my name is Blue, the one with the red eye is Red!" So this is the so called 'baby' Blueberry. Whenever your around Blueberry it feels like you supposed to be happy, to not hurt this innocent bean.

"Well, nice to meet you Bluebery" I replied, Blue's blush got deeper as his smile got wider. He quickly grabbed my hand and pulled me.

"Come! I will show you around" Blueberry then dashed out with my hand, pulling me away. The next moment I knew I appeared to be in a Living room.

"This is where the Christmas tree can gonna go!" Blueberry said eagerly, before pulling me. He then proceed me to every inch and corner of the places, until.

"This is the kitchen! its where Classic and Classic's Papyrus make the Christmas Spaghetti!" I looked inside to see two skeletons, one short while the other tall preparing ingredients. I looked at the ingredients and to my shock, there were 17 kinds of tomato sauces!?!

"Hey! there can can only be 1 kind of tomato sauce!" I yelled out, all three skeletons were startled by my outburst.

"There are tomato sauces where it is the combination of two or three Tomato sauces, but only if they have matching similar flavor! Vodka tomato sauce and onion tomato sauce don't combine at all!" I continued to yell in shock, The two skeletons that where in the kitchen seemed to have a revelation.

"Are you a cook?" Blueberry asked curiously, as I pulled out the right ingredients to make spaghetti.

"Yes I am, a chef to be exact" I replied, that is sorta true. For a part time job I was a chef to a really nice restaurant, I just forgot it in my past life. The three skeletons were again to my answer.

"Wowie, a real chef!" The tall skeleton said, staring at me with an excited expression. The shorter sans stretched out his hand to give a hand shake.

"My name is Classic, you can call my bro Creampuff" Classic said as I took his hand, took his hand and two whoopie cushions fart. I knew he was gonna do that because I have his have his memories so I understand him perfectly. Both Creampuff and Blueberry seemed to be disappointed at our antics.

"Anyway, I will cook the Christmas dinner myself, it will be ready at 5:00 pm" I said, they nodded in response.

"But before you leave how many skeletons are there?" I asked, Blueberry ran out of the kitchen and came back 5 minutes later.

"There is 21 skeletons including you!" Blueberry said, I nodded in response, I then turned on the oven and put a ginormous pot full with water.

"Then you can leave, I can do this by myself" I said, Blueberry seemed to dim down a bit, as long as Classic and Creampuff.

"You sure? I know I can help in someway, How about I help you with preparing ingredients, or help prepare the dishes?" Classic and Creampuff both agreed to Blueberry's response.

"Blueberry, when you are a chef, you for way more than 21 people. If you become a chef someday, you got to learn that in cooking, you shouldn't leave it to someone else to continue or help in your work" This is true in real life, (A/N: It really is) if you leave someone else to continue your recipe, they would have different perspectives on it. For example what order ingredients should be put in, what set up they should have, or what they think its right. The only person that you should EVER trust, is a chef that you worked with for years. In my past life, there was another High school chef who worked with me, together we made delectable dishes. Too bad he died in the fire as the restaurant burned down, sad times.

"Ok" Blueberry dimmed own more as he followed Classic and Creampuff out, I sighed.

"You know what? I guess you helping me prepare the dishes will not be bad" Blueberry jumped up, I swear I can see stars in his eyes. Preparing the dishes is actually a crucial step, the reason why is because why would anyone eat a dish that is messy? What is the point of cooking if someone lost their appetite from just looking at it. So it is the best to set up the dish in a way it would seem appetizing as possible. Blueberry then rushed back in the kitchen and took out large plates from the drawers.

"It is best if the plates are not too big or small" I called out, he nodded in response. (A/N: If you want to see the steps of cooking spaghetti, go back to or read chapter 3)

When the time has come I grabbed a reasonable chunk of spaghetti using rubber gloves and shaped is like a donut, the I covered it with special tomato sauce, and then put four meatballs in a square pattern on the walls. Blueberry saw what I was doing and tried to copy it to the rest of the plates, eventually we mad all 21 plates.

"Wow this was fun! it looks like a cake!" Blue said as stared intently into the closest plate. I looked at the time and it was 4:57 pm.

"Looks like its time to prepare the table" I said, Blueberry nodded and opened what seems to be a closet and took out a large service cart. We then proceeded to walk down the hallway with a cart full of spaghetti. On the way me and Blueberry were talking about our Aus. He was shocked by the fact that mine was the exact copy of Classics. In the middle of our conversation, I felt several pairs of eyes gaze on my back, but I ignored it and continue to talk to Blueberry. When we reach the dining table, we put a plate of spaghetti, and a fork in front of each seat. The dining table was deep brown, with a shiny look. The chairs of the table seemed to be of the same material, but in a shape of a chair.

"The Christmas Dinner is ready!" Blueberry yelled out, in just of matter of seconds, skeletons rushed into the room and filled the chairs. They were shocked by the spaghetti in front of them.

"Hey classic and Creampuff, did you make this?" A skeleton with a Huge paintbrush asked, Both Classic and Creampuff shook their heads.

"Nope, it was the new guy who made it" Classic replied. Almost immediately all of them noticed me, and stared intently.

"You know its rude to stare" I said, almost every skeleton turned away leaving an octopus, a glitchy skeleton with blue and red eyes, and a giant skeleton with several pairs of colorful wings. (A/N: Try to guess who these skeletons are in the comments). I then proceed to sit down and start eating, other skeletons started eating too, you can imagine what happens next. One moment it was just an awkward peaceful Christmas Dinner, to a full all out war. Left and right pitiful spaghetti flew, meatballs flung up to the sky only to fall down into the hungry maws. I stared at the chaos, looking at the mess of the dinner table, I knew this will happen, but not to this degree. I even saw Blueberry, innocent small skeleton join in the Dinner war. I sighed and quickly ate my spaghetti before leaving the dining room. I slowly walked to the living room where there was a comfy red couch, which I immediately slept on. About 30 minutes later I felt a finger nudge into my face, I resisted and continued to sleep, but as time went on the force behind the bony finger became stronger. I still slept with a peaceful with, withstanding the attack on my face, back in my past life it was almost impossible to wake me with force, the only way to actually wake me is a bucket of cold water. As if the gods where teasing me, a cold liquid splashed on my bald head.

"Fuck!" I yelled out, my eyes shot open as I look around to see a skeleton with with a large paintbrush, staring at me with a blue and yellow star eyes.

"Hello! I am Ink! the creator and protector of AUs!" Ink said proudly, he was even doing a pose with one hand on his paintbrush and the other on his chest.

"You mean former Creator and outnumbered protector?" I said, Ink jumps back in shock.

"You already know who I am?" Ink asked, I nodded in response. He looked even more shock before grabbing my shoulders brought his face closer to mine.

"Then this will be way easier! I! Ink is giving you an invitation to join the Star Sanses!" Ink steps back and brought a hand. I just stare at him with an emotionless expression, but inside I was having a shocked. I didn't think that Ink will invite me to the Star Sanses, I only may know one reason why.

"You just to invite me because of my cooking right" I said, my words caused Ink to flinch. Looks like I was spot on, he wanted me to invite me to have good food everyday.

'No..." Ink said nervously, you can tell he is a really bad liar from the tone of his voice. I had too many people lie to me in the past, I was not gonna get fooled by an amature. I walked away to the bathroom and closed/locked the door behind me. A few seconds later you can hear banging on the door, one thing I noticed about this place is that you can't use any of you powers, including teleporting.The only exceptions are higher/outside powers like overwrite. I just used Overwrite to dry my sweater and cloths looked in the mirror, but what was in the reflection shocked me. Behind me was a Gaster, but any Gaster, this one was the Xtale Gaster. I quickly turn around to fire a Gaster Blaster, but I couldn't do so in this place.

"*chuckles* 🕈︎☜︎☹︎☹︎ ❄︎☟︎✋︎💧︎ ✋︎💧︎ ✋︎☠︎❄︎☜︎☼︎☜︎💧︎❄︎✋︎☠︎☝︎(Well, this is quite interesting)" XGaster said in a distorted voice, he said it in wing dings, but because I am a skeleton and have memories from classic, I can understand it.

"🕈︎☟︎✡︎ ✌︎☼︎☜︎ ✡︎⚐︎🕆︎ ☟︎☜︎☼︎☜︎?(Why are you here?)" I asked in Wingdings, I looked cautiously at the floating distorted being. (A/N: Search him up, I am not gonna describe him) I knew what he was capable of, one wrong move and my AU could be destroyed.

"✋︎ ♍︎♋︎❍︎♏︎ ♒︎♏︎❒︎♏︎ ♌︎♏︎♍︎♋︎◆︎⬧︎♏︎ ✋︎ ■︎□︎⧫︎♓︎♍︎♏︎♎︎ ❒︎♏︎♋︎●︎♓︎⧫︎⍓︎ ♌︎♏︎♓︎■︎♑︎ □︎❖︎♏︎❒︎⬥︎❒︎♓︎⧫︎⧫︎♏︎■︎ (I came here because I noticed reality being overwritten)" XGaster said, Oh god, I should have never used overwrite to dry my cloths, I am in house a house that has skeletons who destroy whole universes for fun! what else would I have suspected when I used a powerful button as Overwrite.

"👎︎⚐︎☠︎🕯︎❄︎ 👌︎☜︎ 💧︎👍︎✌︎☼︎☜︎👎︎ ✋︎ ✌︎💣︎ ☠︎⚐︎❄︎ ☝︎⚐︎✋︎☠︎☝︎ ❄︎⚐︎ ☟︎✌︎☼︎💣︎ ✡︎⚐︎🕆︎ ⚐︎☼︎ ✡︎⚐︎🕆︎☼︎ ✌︎🕆︎(Don't be scared I am not gonna harm you or your AU)" XGaster said, That is reassuring, but why did he show up in the first place then.

"✋︎ ♋︎❍︎ 🙰◆︎⬧︎⧫︎ ⬥︎□︎■︎♎︎♏︎❒︎♓︎■︎♑︎📪︎ ⬥︎♒︎♏︎❒︎♏︎ ♎︎♓︎♎︎ ⍓︎□︎◆︎ ♑︎♏︎⧫︎ ⚐︎❖︎♏︎❒︎⬥︎❒︎♓︎⧫︎♏︎✍︎(I am just wondering, where did you get Overwrite?)" XGaster asked, I thought seriously on my answer. I couldn't tell him the existence of my system.

"✋︎⧫︎ ⬥︎♋︎⬧︎ ♑︎♓︎❖︎♏︎■︎ ⧫︎□︎ ❍︎♏︎(It was given to me)" I replied, he stares at me before he started glitching and disappeared. Just when I thought it was over, the door behind was knocked out of its hinges as multiple skeletons rush in.

"I can sense him, he was just here" A skeleton(cross) said, he then look at me, and stared. The other skeletons also noticed me and stared.

"You are the chef guy who cooked the Christmas Dinner!" one of the skeletons called out, he had black eyes with black liquid coming out, with a rid circle surrounded by a larger empty red circle on his chest. One of them grab my neck and pulled me up from the ground.

"Tell me, have you seen a Gaster here?" The skeleton said menacingly, this skeleton was the very same skeleton who sensed XGaster. I strongly grabbed his arm and squeezed hard, he pulled back in pain.

"This is none of your business" I replied, before walking out the door. I can feel the stares of the skeletons gaze on my back as I walked away, soon enough I was out of their sight. Well, I guess my first meeting with the so called 'Bad Guys' went bad, I knew that they were gonna find my AU eventually and try to slaughter everyone. I quickly walked into the living room where my Papyrus was talking to the full group of the Star Sanses. I walked calmly towards them, eventually Blueberry noticed me.

"Hi D! me, Dream, Ink, and your Papyrus was thinking of a nickname for himself, what is your opinion on Paple?" Blue asked, I didn't bother to answer hi as I was short on time.

"Papyrus, we have to leave now" I said in a deep voice. All of them were confused.

"Why now! there is still 3 hours left of the party!?!" Blueberry asked, I turned to him and said.

"My AU is in danger, I have to get back to make preparations" I replied, the Star Sanses instantly new why.

"Did you run into the 'Bad Guys'?" The skeleton called Dream asked, I nodded my head.

"If so we can help you!" Ink said, that will not be a bad idea, but that would mean that my universe is more vulnerable because of all the contacts with other AUs. I thought to myself and finally made the decision.

"When the party ends, immediatly come to the universe called, ForgottenTale" D said, (A/N: Don't question how he knows the name of his universe) The Star Sanses nodded as I take the hand of my Papyrus nd rushed to the exit. There will be a very hard soon.

If you want to know every sans that was there, here it is

Epic, Epic's Papyrus, Cross, Nightmare, Dream, Ink, Blue, D, Blue's Papyrus, Error, Fresh, Fresh Papyrus, Killer, Horror, Horror's Papyrus, Dust, Fell(Red), Fell Papyrus, Outer, Outer papyrus, Geno, Gz, Gz Papyrus, Swapfell, Swapfell Papyrus, Fellswap, Fellswap papyrus, Echo, Reaper, Reapers papyrus, Seraphim.

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