Story cover for RegretTale (Undertale AU) by Firefox659
RegretTale (Undertale AU)
  • WpView
    Reads 176
  • WpVote
    Votes 2
  • WpPart
    Parts 5
  • WpHistory
    Time 35m
  • WpView
    Reads 176
  • WpVote
    Votes 2
  • WpPart
    Parts 5
  • WpHistory
    Time 35m
Ongoing, First published May 20, 2017
"Sans help!" I cried as I started losing my grip on the floor and I slowly began to slip off of the platform despite my efforts to climb back up, my legs dangled off of the narrow platform that was the only thing keeping me from falling into the core. "Sans!" I called again to the sort skeleton who was looking at something behind him and then back at me. By now the Core was in ruins as it rumbled like thunder threatening to destroy everything in it and I along with everything else, couldn't hold on much longer.
 "I'm sorry kiddo..." he whispered as he turned around and ran towards Dr. Gaster who was trying to stop this meltdown by shutting off the Core. My eyes widened as I saw him leave- how could he? 

 H o w  c o u l d  h e  

"I won't forget that day Sans. And I won't forget the promise I made to myself. The promise to destroy everything you love."

[Hey I actually do own this cover! :D]


All rights to Undertale in general go to Toby Fox the only thing I take credit for is the cover, Glitch, and The story itself. 
There will be things in this book that DID NOT happen in the actual Undertale (obviously) so I don't want to here in the comments that 'something, something didn't happen, in the game, this is fake.'


Now that we got that out of the way this will be updated rather slowly due to the fact I want to try really hard to make every chapter in this book the best it can be so yeah sorry if it gets updated rather slowly but most chapters will be pretty long.
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When a demon summoning goes wrong, a rich and powerful man's son gets killed and (Y/n) is forced to team up with the Demon King that did it to survive the ensuing attempts on her and her family's lives. But the King will only do it on one condition: he gets her soul. So with no choice but to die for her mistake, His Summoner promises him her soul when the job is done. | - Demon! Nightmare Sans x Female Reader - A little bit of a reverse harem with plenty of Bad Sanses x Reader moments (with a canon reason for it :D), but ultimately, (Y/n) is Nightmare's - Honestly you could read this with no prior knowledge of any of the characters and you'd be just fine - Kinda a slow burn? But don't worry, I throw in so many subtle/not-so-subtle intimate moments with all the Sanses that it makes it worth the wait :D - I'll throw in some bonus chapters with the other Sanses for extra (non-canon) fluff that doubles as a breather from the story, too - Is the relationship toxic? Maybe. I mean, this is canon Nightmare after all. But that's the beauty of a fictional story, no? - A lot of the symbolism and hidden meanings aren't obvious, so you might have to be on the lookout to see them (and keep in mind: Night doesn't openly show many emotions, so the devil is in the details) - I'm not going to spoil anything, but for all you anxious readers out there like me, I'll divulge I'm a sucker for happy endings *wink* - It's my interpretation of the characters (kept as canon as possible)
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