Story cover for Undermafia: Deadly (Sans X Frisk) by HarmonicalEcho
Undermafia: Deadly (Sans X Frisk)
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    Reads 15,882
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  • WpPart
    Parts 9
  • WpHistory
    Time 57m
  • WpView
    Reads 15,882
  • WpVote
    Votes 572
  • WpPart
    Parts 9
  • WpHistory
    Time 57m
Ongoing, First published Apr 16, 2017
"Hey, little pup?"

"Sans, I'm 18 years old now. You don't have to call me 'little pup'"

"What do you want me to call you then? 'Little boss'?"

"Really? Sans, you just mixed the two names I don't want you to call me"

"Oops, sorry..."

"Just call me Frisk when Toriel and Asgore isn't around"

Sans shrugged. "Sounds good enough for me"


Sans has known Frisk for 10 years now. He and his brother, Papyrus, has been protecting her ever since, who knew she'd also become their boss.

Watching Frisk grow up through the years, learning new things everyday, New enemies are coming for her, new obstacles started appearing, with everything popping up all at once, would they still be able to protect her?

Sans have also grown strong feelings for her. But he didn't expect to meet his rival. And he's not gonna back down to some 'God of hyperdeath'. Will he win?


WARNING: you're about to read a dangerous love story, be warned...
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Conduit Tale-An Undertale Fanfiction Novel

61 parts Complete Mature

(Complete)Hopeless and in despair, Sans never thought he could escape the resets and continues caused by FRISK that tormented his life. But, when he thinks the kid is possessed and stops FRISK once and for all he finds out ... that he never really knew anything after all. No more resets. No more saves. No more hiding. Life will never be the same for the Underground. Souls and Science can be an unforgiving bitch. Relationship: Because of the nature of the way this fanfiction works, there are several Frisks. He knows all of them, but Sans only falls for one, and she is definitely over the age of 18. This doesn't blossom until some time later though, as this is way more than a sweet romance. Buckle up for some tragic dramatic scifi-twisting to the fantasy world of Undertale!