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Summary: In probably the weirdest and kinkiest part of what is already the all-time weirdest and kinkiest thing (besides Alphamalg, anyway) to ever hit the Undertale fandom, Asriel and Muffet shrink themselves to small bug size and go inside Alphys' and Toriel's brains (respectively, of course) through their ear canals in order to take control over their bodies so that the two of them can have the foot orgy of a lifetime with Asgore and Undyne!

Oh, and in Alphys' case, there's also a lot of extremely graphic female foot-domination and vore involved in the process leading up to Asriel (very painfully) breaking into her head and ultimately taking mind control over her, so of course there's also that as well XD
Categories: Giantess, Teenager (13-19), Adventure, Breasts, BBW, Body Exploration, Middle Age (50+), Couples, Crush, Destruction, Entrapment, Fantasy, Feet, Furry, Futanari, Humiliation, Incest, Insertion, Instant Size Change, Lesbians, Maternal, Mouth Play, Odor, Unaware, Violent, Vore, Watersports
Characters: None
Growth: None
Shrink: Micro (1 in. to 1/2 in.), Minikin (3 in. to 1 in.)
Size Roles: F/f, F/m, FM/f
Warnings: Following story may contain inappropriate material for certain audiences, This story is for entertainment purposes only.
Series: None
Chapters: 1 Table of Contents
Completed: Yes Word count: 6367 Read Count: 7714
[Report This] Published: November 23 2016 Updated: November 23 2016
Summary:

Mike was an adult, not a very successful one, but an adult all the same. Once in a while he had drinks with his former college colleagues, including his ex-girlfriend Sarah.

She will introduce him to the underground boxing. Thinking that he could get some easy money, Mike will find himself involved in something he wasn't prepared for. He certainly was not aware of the size of the event.


This is a secret event, don´t tell your family or friends about it. It is certainly not for all publics


Categories: Giantess, Crush, Feet, Humiliation, Insertion, Slow Size Change, Violent
Characters: None
Growth: None
Shrink: Doll (12 in. to 6 in.)
Size Roles: F/m
Warnings: Following story may contain inappropriate material for certain audiences
Series: None
Chapters: 3 Table of Contents
Completed: Yes Word count: 9390 Read Count: 6488
[Report This] Published: August 16 2022 Updated: August 16 2022
Summary:

Matt is a 16 year old put into a bunker after a virus wipes out most men on the planet. Matt now the last man in the bunker discovers he can change people around him. And soon he finds what caused the virus leaving him the only one that can fix it.


Categories: Growing Woman, Adventure, Growing/Shrinking Out of Clothes, Incest
Characters: None
Growth: Amazon (7 ft. to 15 ft.)
Shrink: None
Size Roles: None
Warnings: Following story may contain inappropriate material for certain audiences
Series: None
Chapters: 3 Table of Contents
Completed: No Word count: 4414 Read Count: 21367
[Report This] Published: August 20 2016 Updated: September 16 2016
Summary: ???
Categories: Body Exploration
Characters: None
Growth: Giga (1 mi. to 100 mi.)
Shrink: None
Size Roles: None
Warnings: Following story may contain inappropriate material for certain audiences
Series: None
Chapters: 1 Table of Contents
Completed: No Word count: 6849 Read Count: 7244
[Report This] Published: December 10 2006 Updated: December 10 2006
Underwhere by Kickyou Rated: X starstarstarstarstar [Reviews - 9]
Summary:

Adam tries to get his girlfriend a gift that neither of them will forget


Categories: Humiliation, Object, Unaware, Butt, Couples, Odor, Scat
Characters: None
Growth: None
Shrink: None
Size Roles: FM/m
Warnings: None
Series: None
Chapters: 1 Table of Contents
Completed: Yes Word count: 4473 Read Count: 27861
[Report This] Published: June 21 2016 Updated: June 21 2016
Summary:

Power rarely goes to those that deserve it. It rarely seems fair in how it winds up in the hands of others. Whether they deserve it or not, those expressions of power remain real and those at the mercy of it at the whims of fantasy.


Categories: Crush, Destruction, Feet, Sci-Fi, Violent
Characters: None
Growth: Amazon (7 ft. to 15 ft.), Giant (31 ft. to 50 ft.), Giga (1 mi. to 100 mi.), Mega (501 ft. to 5279 ft.), Tera (101 mi and up), Titan (101 ft. to 500 ft.)
Shrink: None
Size Roles: F/f, F/m
Warnings: None
Series: None
Chapters: 8 Table of Contents
Completed: Yes Word count: 15849 Read Count: 56274
[Report This] Published: September 12 2020 Updated: September 16 2020
Summary: A young high school love triangle changes when a young girl accidentally destroys her crush. An unaware story with disasterous consequences of loving a girl in a committed relationship.
Categories: Young Adult 20-29, Butt, Couples , Instant Size Change
Characters: None
Growth: Amazon (7 ft. to 15 ft.)
Shrink: Micro (1 in. to 1/2 in.)
Size Roles: None
Warnings: Following story may contain inappropriate material for certain audiences, This story is for entertainment purposes only.
Series: None
Chapters: 4 Table of Contents
Completed: No Word count: 3704 Read Count: 72455
[Report This] Published: October 16 2010 Updated: February 13 2011
Summary: The log of a sailor is found by two prisoners.
Categories: Giantess, Adventure, Crush, Entrapment, Mouth Play, Violent, Vore
Characters: None
Growth: Giga (1 mi. to 100 mi.)
Shrink: None
Size Roles: None
Warnings: Following story may contain inappropriate material for certain audiences
Series: None
Chapters: 4 Table of Contents
Completed: No Word count: 8584 Read Count: 51360
[Report This] Published: September 29 2007 Updated: October 12 2007
Summary:

A cute little story starring two lovely ladies and one sweater...oh and some guy too.


Categories: Gentle, Feet
Characters: None
Growth: Mini GTS (16-30ft)
Shrink: Minikin (3 in. to 1 in.)
Size Roles: F/m
Warnings: None
Series: None
Chapters: 1 Table of Contents
Completed: No Word count: 566 Read Count: 8145
[Report This] Published: January 08 2009 Updated: January 08 2009
Summary: Finally; I've been waiting oh-so-very-very-long for the Undertale fandom to finally make this joke into a full-fledged reality, and now it's FINALLY here.

Gushing aside, however, this is a very simple, short and straightforward story; basically, Alphys gets infected with a slew of ghost-Chara-clone parasites that literally end up giving her the Undertale equivalent of cancer. Therefore, Undyne and Papyrus, who both have not even the first clue what properly trained surgery is, end up having to venture inside her body and its various internal organs in order to get them out.

Needless to say, all manner of awkwardness and hilarity ensue XD
Categories: Destruction, Giantess, Adventure, Body Exploration, Couples, Entrapment, Fantasy, Furry, Gentle, Humiliation, Insertion, Instant Size Change, Lesbians, Mouth Play, Scat, Unaware, Vore, Watersports, Young Adult 20-29
Characters: None
Growth: None
Shrink: Nano (1/2 in. to 2.5 nanometers)
Size Roles: F/f
Warnings: This story is for entertainment purposes only.
Series: None
Chapters: 1 Table of Contents
Completed: Yes Word count: 6759 Read Count: 4502
[Report This] Published: September 26 2016 Updated: September 26 2016
Summary:

Pauline et Michel sont deux amis qui profitent de la situation dans laquelle ils se trouvent. En effet, le jeune homme se trouve être rétréci, et ils adorent sa condition, autant l'un que l'autre. 
Jusqu'au moment où la limite entre amis et amants devient trop floue pour eux... Leur relation amicale survivra-t-elle à cela ?


Categories: Giantess, Young Adult 20-29, Feet, Gentle, Humiliation, Insertion, Mouth Play
Characters: None
Growth: None
Shrink: Minikin (3 in. to 1 in.)
Size Roles: F/m
Warnings: This story is for entertainment purposes only.
Series: None
Chapters: 2 Table of Contents
Completed: Yes Word count: 7731 Read Count: 8242
[Report This] Published: September 21 2017 Updated: September 21 2017
Summary:

Cette nuit ma petite amie a fait un rêve paaaassionant, et quand elle me l'a raconté je dois avouer que je n'ai pas été capable de le garder pour moi.


Vous demandez-vous parfois comment des gens qui ne sont pas macrophiles perçoivent notre fantasme ? Et bien maintenant, imaginez-vous en train de voyager dans leur tête lors d'un rêve qui comporte une géante...


Bon voyage...

 

Disclaimer: All publicly recognizable characters, settings, etc. are the property of their respective owners. The original characters and plot are the property of the author. The author is in no way associated with the owners, creators, or producers of any media franchise. No copyright infringement is intended.


Categories: Young Adult 20-29, Adventure, Humiliation, Insertion, Slave, Violent, Instant Size Change, Teenager (13-19)
Characters: None
Growth: Brobdnignagian (51 ft. to 100 ft.)
Shrink: None
Size Roles: F/f, F/m
Warnings: This story is for entertainment purposes only.
Series: None
Chapters: 1 Table of Contents
Completed: Yes Word count: 2322 Read Count: 3676
[Report This] Published: January 17 2017 Updated: January 17 2017
Une pluie by 8cm50 Rated: X [Reviews - 5]
Summary: un homme se prend à regretter d'avoir fait confiance à une jeune inconnue. N'avait il que de bonnes intentions ? Celles de la jeune fille deviennent de plus en plus claires au fur et à mesure de leurs relations...
Categories: Butt, Entrapment, Humiliation, Insertion, Mouth Play, Slave, Toilet, Vore
Characters: None
Growth: None
Shrink: Minikin (3 in. to 1 in.)
Size Roles: None
Warnings: Following story may contain inappropriate material for certain audiences
Series: None
Chapters: 1 Table of Contents
Completed: Yes Word count: 15431 Read Count: 19760
[Report This] Published: December 02 2008 Updated: December 02 2008
Summary:

Short stories written as practice with a lot more variety and different scenarios.


Categories: Muscle, Young Adult 20-29, Adult 30-39, Breast Enlargement, Couples, Gentle, Growing Woman, Destruction, Giant, Growing/Shrinking Out of Clothes
Characters: None
Growth: Amazon (7 ft. to 15 ft.), Brobdnignagian (51 ft. to 100 ft.), Giant (31 ft. to 50 ft.), Giga (1 mi. to 100 mi.)
Shrink: None
Size Roles: F/f, F/m, FF/f, FF/m, FM/f, FM/m, M/f
Warnings: Following story may contain inappropriate material for certain audiences, This story is for entertainment purposes only.
Series: None
Chapters: 6 Table of Contents
Completed: No Word count: 10431 Read Count: 60074
[Report This] Published: February 20 2016 Updated: March 03 2019
Summary:

Alex is struggling to pave his path in life as a recent college grad.  Still troubled by his past relationship, he will descover that sometimes happiness comes when you least expect it and from someone who he'd never guess.


This is my first time writing.  So while I do appreciate criticism, please try to overlook some of the formatting and grammar issues :) looking for feedback or how you feel about the story as well! 


Categories: Giantess, Gentle, New World Order
Characters: None
Growth: Amazon (7 ft. to 15 ft.)
Shrink: None
Size Roles: F/m
Warnings: Following story may contain inappropriate material for certain audiences
Series: None
Chapters: 9 Table of Contents
Completed: No Word count: 13558 Read Count: 75347
[Report This] Published: June 02 2015 Updated: July 03 2015
Summary:

A tiny is discarded by their former master. One kind soul takes it upon herself to care for him.


Categories: Giantess, Breasts, Gentle
Characters: None
Growth: None
Shrink: Minikin (3 in. to 1 in.)
Size Roles: F/m
Warnings: Following story may contain inappropriate material for certain audiences
Series: None
Chapters: 3 Table of Contents
Completed: Yes Word count: 9168 Read Count: 13923
[Report This] Published: April 11 2022 Updated: April 11 2022
Summary:

Tim finds himself in a situation not exactly unwanted but unexpected at the hands of a cute blond.


Categories: Young Adult 20-29, Body Exploration, Butt, Entrapment, Feet, Footwear, Growing/Shrinking Out of Clothes, Insertion, Mouth Play, Vore
Characters: None
Growth: None
Shrink: Minikin (3 in. to 1 in.)
Size Roles: F/m
Warnings: Following story may contain inappropriate material for certain audiences
Series: None
Chapters: 2 Table of Contents
Completed: No Word count: 11829 Read Count: 13458
[Report This] Published: November 06 2020 Updated: March 11 2022
Summary:

a short story about two giant women who are nearing the end of a destructive rampage on a tiny city (probably could be written better and longer if i had more time and was better at writing but anyway, here it is)


Categories: Crush
Characters: None
Growth: Giga (1 mi. to 100 mi.)
Shrink: None
Size Roles: None
Warnings: None
Series: None
Chapters: 1 Table of Contents
Completed: Yes Word count: 874 Read Count: 5974
[Report This] Published: December 01 2013 Updated: December 01 2013
Summary: a giantess wanderer destroys a mans residence
and a relationship forms.
Categories: Giantess, Body Exploration, Gentle
Characters: None
Growth: Giga (1 mi. to 100 mi.)
Shrink: None
Size Roles: None
Warnings: None
Series: None
Chapters: 1 Table of Contents
Completed: Yes Word count: 1585 Read Count: 5793
[Report This] Published: September 15 2012 Updated: September 15 2012
Summary:

Tanya had just moved into her own house after her parents kicked her out of home, after a day that she spent looking for a job, as usual, the last thing she expected to find at her house was a very small, unexpected guest. 


Categories: Feet, Lesbians
Characters: None
Growth: None
Shrink: Minikin (3 in. to 1 in.)
Size Roles: None
Warnings: None
Series: None
Chapters: 6 Table of Contents
Completed: No Word count: 6770 Read Count: 38613
[Report This] Published: October 19 2011 Updated: November 20 2011