CollabErotica INTERACTIVE EROTIC STORIES
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236 Chapters 2,820

Mommy's Bathtime Helper

KoroKoroAi
Tiny Phil's big Mommy needs his help scrubbing her backside in the shower. Ditzy smothering ensues. Can't spell "smother" without "mother" after all.
1.9K words 1 chapter 1 author 1.2K views
10
4
September 5, '25
extreme size difference
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unintentional cruelty
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Bottom of the Bottle

Ubersalamander
Albert Wexley is a drunken wretch with a chip on his shoulder and jealousy in his heart. His sad, self-pitying life is shaken up when spiritual forces turn him into the shrunken pet of a young woman falling into his same lifestyle.
2.7K words 1 chapter 1 author 260 views
2
1
September 15, '25

The Tiny Prison, a new type of prison

GiantessKaijuFan
You are going to prison, but their is a catch, you are shrunk! Will you survive? Read/add!
9.8K words 35 chapters 3 authors 7.4K views
3
1
November 5, '25

ATypical Life as a Kaiju Giantess

GiantessKaijuFan
Trying to have a normal life is hard when you're gigantic...
50K words 170 chapters 3 authors 17K views
August 4, '25

Girlzilla: Giantess Monsters 2.0

GiantessKaijuFan
A revival of my old Girlzilla Giantess Monsters Story. New rules and updates! Read and add
110K words 220 chapters 2 authors 23K views
August 4, '25

The Idolmaster Size Stories

GiantessKaijuFan
Various stories set around the girls of the Idolmaster series. Read and add please.
3K words 20 chapters 2 authors 3.3K views
1
1
September 6, '25

Goddess Ruler (A GTS Story)

GiantessKaijuFan
You are a woman who has the Omni verse like power to do whatever you please as a giantess.
6.4K words 30 chapters 2 authors 5K views
1
August 4, '25

The Giantess Destroyer (rampage story)

GiantessKaijuFan
Inspired by the Giant Baby Destroyer, make a Giantess and have her rampage cities.
15K words 110 chapters 2 authors 16K views
1
August 4, '25

Giant/ess Stories in Japan

GiantessKaijuFan
A create your own interactive/story that has only one requirement, be set in Japan.
17K words 35 chapters 2 authors 5.7K views
August 4, '25

Another Fictional Female Fantastic Voyage Interactive

ProfessorGecko
A free-for-all giantess endo interactive featuring females from different media.
2.5K words 33 chapters 5 authors 7.3K views
10
5
July 2

Sizetober 2025 Collection (Envi edition)

EnviTheFool
A collection of drabbles written for Sizetober 2025. (More elaborate tags in individual chapters)
3.9K words 9 chapters 1 author 1.3K views
November 14, '25

The Wicca (And Occult!!) Club in: A Delicious Halloween Adventure!

Paok
Three university club pals perform magic on Halloween, with unintended consequences. At the same time, unbeknownst to them, three other university club pals are also performing magic on Halloween, with unintended consequences. A very silly story written for Size Fiction's 2025 Halloween contest
2.1K words 2 chapters 1 author 250 views
November 14, '25

Tiny Terry

KoroKoroAi
Terry, barely an inch tall, lives his life dominated by giant women.
120K words 81 chapters 3 authors 60K views
61
23
2
July 14

Isekaied in RWBY: Shrunk by Emerald Sustrai (Please Add)

Moon
You are Isekaied in the world of Remnant, however. Your knowledge of the world of Remnant and RWBY come in as handy and a curse, but what happens when your knowledge of future events that have yet to happen, get you shrunken down by Emerald? Also, yes Emerald is 18+
4K words 6 chapters 2 authors 1.9K views
1
2
February 28

Giantess world

Anon_SolvingWave
A giantess story
13 words 1 chapter 1 author 370 views
1
October 6, '25