Undertalefanstory Stories

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5 Stories

× [Sickness] × || Undertale Fanstory || The Gasters/Skeleton Family by Nanaz_Nazmaki
#1
× [Sickness] × || Undertale Fansto...by Nazma Grace Lambert
One day, Sans fell sick. His sickness came out of nowhere and it cannot be cured no matter how many medicines Gaster gave him. Because of the sickness, Sans stayed still...
Completed
Sirate: Survival Of The Fittest by Anxiety_Ghost2007
#2
Sirate: Survival Of The Fittestby Itsaminicop 2007
Yes another smutty story about the Genderless Siren and innocent Kate. Butttt.... they are ANIMALS! do u know how ink and error sans were exemplum and parable? well its...
(SOMEONE  GIVE A NAME) paper jam x mt!fresh story (college  story by UTauStarwolf
#3
(SOMEONE GIVE A NAME) paper jam x...by STARS TOE FUNGUS
this takes place in college and pj and mt are near the same age TwT and my first story
Sirate ❤Signiture Look💜 {Undertale OC Story} by Anxiety_Ghost2007
#4
Sirate ❤Signiture Look💜 {Undertal...by Itsaminicop 2007
More Sirate. this is gonna be a fucking Sirate profile soon lol This is all in Sirens pov or narrators pov. Okay so u know what Sirate is already, Kate is a princess and...
A CATtastrophie  (an undertale fan story/comic (one day qwq)) by Misosoup24
#5
A CATtastrophie (an undertale fan...by िaki
A comic where sika (sans adopted sister they took in), sans, and papyrus have a bit more of a night then expected, little did they know taht little sik (spelled seek) ha...