(Underfell sans x reader (female)) UNDERCOVER

The Battle

          You felt betrayed, you trusted Gaster and he was only using you for personal gain. The sharp metal of the machines's mouth dug into your sides as it squeezed harder as if it was trying to cut you in half. The pain was immense as you struggled to get out but it was no use and your soul finally popped out of your body from being in so much pain. Suddenly two cables shot out from the machine and latched onto your soul as you noticed Gaster's figure coming into view. He was standing on top of the machine watching you as your soul slowly began to disappear as he laughed at you.

Ï̵̤͇̅̀ ̶̜̂̿h̷̟̽͊a̷̖͋v̶̧͔͔͗e̶̞̽̊͂ ̸̧̰̓̌t̵̫̐̕͝ȯ̸̗͖̱ ̶̛̳̠̬̎͑t̵̹̎̽̂h̵̭̩̦̿̓ą̸̦̼̒͠n̷͎̣͖͊̉k̷̺͙̗͆͒̈ ̴̨̼̼̽́ẏ̷̦̝͉o̵͖̳̒ṷ̴̪̂̔ ̴̺̂͠(̵̥̾y̸̮̣͚̋̓̚/̶̢̤̙̀n̴̟̺̼͊̕)̶̬͈̔ ̸̧̩̩͆f̴̯̹̎o̶͔̘̺͑̈́r̵̖̺͒͌͊ ̵͉̝̙̌͝͝b̷̢̨̼̈́e̴̡̯͉̾̃͐i̷̤̙̒͠ͅn̴͓̞͐ͅg̷̻̣̥͘ ̴̡̈́s̶͈͔̜̃͐o̴̩̅͒̃ ̷̢͇̑͆͜g̴̖̙͂̓e̷̯̓n̵̨̨̟͆ė̴̪̣ŕ̴͎͔̑̿o̵̧͛̾̂u̶̡̍̈́s̴̳̠͛̅͂ ̶̯͔͜͠ő̷̻͓͇͊͋f̶̗̉ ̵̟̆́̃l̵͕̺̈́̂ê̸̻̫̹͐t̶̹̬̙̑t̶̮̅̂i̶̞̔ņ̷̯͇̆̂͒ǧ̵̨̖ ̵̰̭̃͛̎m̷̧͕̹͛͋́ȩ̴͍̩̋͂ ̶͔͙̇ụ̴̚͝ͅs̵͎͌̈e̶̬͚͆͜ ̵̡͂͗y̶̳̽͊̏ǒ̸̡̗̦̈́ư̷͕͙̺̅́r̷͓̈́͒̊ ̸̡̣̖̚s̵̚͜ơ̴͎̲͍̽͆u̷̦̣̕l̴̩̝̟͑͛̈́,̸̱́͠ ̷̡͍͛̎̕o̸̳̖͆͛t̵̛̩̝̤h̸̻͓̏̌ḛ̴͎͊̆̕r̷̞̘͒͐w̸̭͍͊i̴̠̓̀ṡ̸̭̰e̴̟̰̱̊ ̸͓͆͂Ǐ̴͎̼̈́ ̵̭̈́͆ẘ̵̯̰o̵̲̝̎ȕ̵̪̪͓͛͠l̶̻͐d̸̦͚̈ ̶̫̤̽b̸̹̿ͅë̶̩́̇ ̸̖͆ş̴̡̛͖͋t̶̢͎̚͝i̵͇̼̞̐l̶̙̞̮͊l̷͎͇͔͑̍ ̸͍̅̅̒s̵͖̯̋t̷͔̆͂u̷̘̤̍̓c̴͖̝̞͒̾̑k̵̭͆̉ ̷̙͈̓͐ḯ̷͕̗ń̷͇̋ ̵͈̀̄t̵̰̣̓h̴͕̱͠a̵̧̡̻̔t̸̺̤̿ ̷͎̇G̴̨͌͑o̴̪͚̐̇ḍ̶̨̬͆́̀f̸̠̭̖̒o̵̪͛r̵͈̟͌͊s̶̨̔͆̃a̵͓̤̲͌k̶͔͉̅e̸̯͈͋͆̀ņ̷̻̉͌ ̴̺͙̓v̵̘̩́̚ǫ̶͍̭̈́ǐ̸̱̭̠d̶͚͈̔͗ ̸̬̱̲́̑w̵͙̉͂h̵̠̀͆͜ē̷̮̠̔̌ṙ̷̳͇̦e̸͕̓̓ ̸͝ͅḮ̵̬̭̪ ̴̧̫̳̀̋c̴̡̈́̏e̵̗̩͙̽͘a̵̗͊́ś̸̪̍é̵̩̞͎͠͠d̷̤͊̈́̕ ̶̣͚̎t̷͓̙̉̄̃ö̵̝̗͔́ ̸͚͘ẻ̶̞x̴̧̛̘̀ï̵̛̠͚š̶̨̬̫͝t̴̖̩̄̅.̶̢̖͐̋̐

          You slowly lost consciousness as your soul slipped away but that changed when the machine suddenly dropped you. You fell to the ground and your soul quickly went back into your body as you looked around for an escape. You stood up ready to run but Gaster was quicker and grabbed your wrists. You turn around only to see that Gaster did not grab you, but a pair of floating hands that came out of nowhere had grabbed you and pinned you against the wall. Gaster chuckles in a dark way as he walked towards you with a chilling smile.

          He had a tall lanky body which was wearing a black and red robe. From the way his hands looked, they were similar to a skeleton's which had gaping holes in the palms. You couldn't see through the holes in his hands but they had a red glowing eye in the middle of each hand that stared directly at you. You couldn't bare to look at his face since it completely horrified you; his eye sockets were two gaping holes in his head with cracks that traveled across his face and his wide mouth showed countless of sharp needle teeth. Your struggling became more and more frantic has Gaster got closer and admired your will to get away even though there was no chance of that happening.

I̸͖̥͎̋̆̃̀ͅt̵͈̀̑'̴̢̥͔͊̅̈́̏s̶̻͆́̿͘ ̵̛̦̮͒̃̊r̴̤̭̦͈̚u̷̺͖͈̗̓̈́͂͂d̵͖͙̔̚e̸̦̳̣̍̀̈́̚ͅ ̴̭̽̏͋̔t̷̥͙͂̑͠o̵̺̖̎ ̶̗̗̼̤̾̕n̸̹̑̾ö̶͉͉̊̊̒ṫ̸͇̳̦̈́ ̷̱̜̖̑͐͑m̶̖̦̙̯̒͒̉̍a̵̪̗͈͈͛̾k̶͍̕͠e̶̞̪̝͗ ̷̗̾͗͂è̵͓͚̂ÿ̴́̾̀͜ě̶͉̱̄̊ ̸̦͈̤̋͂͝ç̷̞͇̥̒̑͝͝ő̴͕̳̫n̵̼̭̅ẗ̷̨́a̷̗͋͗c̴̨̨̛̞̙̆̀͆t̷͔̮͔̊̎ ̴̱̼̔̑w̸͚̣̉h̵̨̦͈̲͂̄͌ȅ̶̮̼͂n̵̘͎̮̎ ̸̤̭̋s̸̢̮͙̭̈́̈o̷̘̩̟̒̐͘̕ͅm̴̢̛̜͓̑͑e̶̺̞̟̯͛ŏ̵̟̀͋̚n̵̹̟̚͜e̶͚͊͂ ̵͔̀̉͂͝ḯ̵̖̖̙̋̋͠s̶̖͚͑̂̃ ̵̹̭̟̈̉̾͘t̵̫̥̉̔̔a̶̡̜̦͛̒͗́l̶̨͒͌̉̈́k̶̗̆ͅi̴͈̖̍̇̿ņ̷͈̮̈́́g̴̨̼̖̾ ̷̨̺́̆̂t̸̫͂̎̉ȯ̷͚̝̓͝͝ ̷͖̝̼̖͆ỵ̶̩̪̀̌o̸͎̠̕u̸̧̞̝͗̌̆,̴̧͗ ̴̨͚̺͖̿͝(̸̤̖̓y̸̺̠͑̆/̶͈̥͆̽͠n̸͓̅̽͌̉)̸̟̣͙̗̍̾.̵̳̙̦̠͋̓̎