When Two Fates Intertwine (Sans x Reader)
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Ongoing6h 41m
Last published Sun, Dec 21, 2025
[THIS IS A SEQUEL TO MY OTHER FANFIC "WHEN TWO SOULS MEET!" If you haven't read it, I would highly suggest it--the story won't make much sense otherwise.]
Sans has finally found someone he can trust--Frisk's sister, the eighth fallen human. After months of step-siding and awkward interactions, the two are finally a couple. Things are slowly falling into place--there are no more resets, and Chara and Flowey have been a lot more quiet in the last few months. But things can't stay this way... can they?
Note: The story was put on hiatus early on, and updates are now very sporadic. Despite that, it's still a labor of love!
All Rights Reserved
#317
sanstheskeleton
Series
ZanaTale: An Undertale Alternate Universe
27 parts- 14 parts
29 parts
18 parts
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Sans has lived through countless timelines. He's seen the kid make friends with everyone, only to give up in the final moments. He's seen the kid killed, over and over and over again. Sometimes, he'd even done the killing himself. And no one ever remembers. Not even the kid herself. It's an exhausting cycle, one that never seems to end. But there's something different about this run. Another human's fallen down... the kid's sister.
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