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‘expansion’ stories

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Girlfriend Stretches My Cock Pt. 02

Gf forcefully enlarged my cock, but karma "cums" back around.

by LitGuy90 in Fetish 04/28/2024
NEW
4.38
3.9k
8
4
14

18 Inches (Ch. 19-21)

Chris deals with a trio of women and then dates Talia...

by Sianwrites in Fetish 04/22/2024
H
4.53
4.5k
11
1
20

Girlfriend Stretches My Cock Pt. 01

Gf enlarges my cock as revenge, gets out of hand...

by LitGuy90 in Fetish 04/17/2024
4.49
8.6k
22
7
50

Family Blessing Ch. 02

Annabeth's birthday party.

by 333Blebleble333 in Fetish 04/10/2024
4.67
3.9k
3
1
5

Dollar Swine

A stuck-up rich girl is hypnotized to do ANYTHING for money.

by RabbleLaid in Mind Control 03/22/2024
H
4.72
22.5k
32
5
77

At Long Last Ch. 04 - Revelation

Lila makes a discovery with the help of someone unexpected.

by Nanseigh in Transgender & Crossdressers 03/02/2024
H
4.8
4.3k
6
2
8

At Long Last Ch. 03 - Adapting

Lila deals with the daily struggles of her new size.

by Nanseigh in Transgender & Crossdressers 02/17/2024
H
4.76
9.1k
12
5
16

Family Blessing Ch. 01

Annabeth was the smallest of her family but times can change.

by 333Blebleble333 in Fetish 02/02/2024
4.41
9.8k
11
3
22

A Bit of a Belly Ch. 12

Continuation of the story.

by 333Blebleble333 in Fetish 01/31/2024
4.33
3.8k
1
0
3

After Date Surprise

A new couple decides to explore a new growth hormone.

by Dovalyn in Fetish 01/18/2024
4.38
3.9k
5
2
11
0

Stacked Like Pancakes

Brandi hosts pancake brunch—but how'd she get so curvaceous?

by TrebleClef in Fetish 01/16/2024
4.4
2.8k
7
1
12
0

18 Inches (Ch. 16-18)

Chris gets a demand from Estelle that will change his future.

by Sianwrites in Fetish 01/15/2024
4.45
12.1k
20
2
31

Love in Flux

Jordan and Cammie's weekend in the woods turns... strange.

by GERGLUG in Sci-Fi & Fantasy 12/24/2023
H
4.56
6.1k
9
3
23

Touch

Charley has incredible abilities as Jake is soon to find out.

by Sianwrites in Fetish 12/11/2023
H
4.89
21.7k
59
5
92
0

Reality Warping Ch. 01: Lifeguard

Pool lifeguard gets breast expansion.

by brightneon8925 in Fetish 12/06/2023
3.94
13.2k
15
1
34

18 Inches (Ch. 13-15)

Chris takes Mona and then faces the music with Leanne...

by Sianwrites in Fetish 12/03/2023
H
4.78
12.4k
28
1
39

The Great Outdoors Pt. 05

More and wilder transformations.

by Goblinforce in Sci-Fi & Fantasy 11/28/2023
3.27
2.4k
1
1
3
0

18 Inches (Ch. 10-12)

Chris meets with Alexia and then Hornygurl616...

by Sianwrites in Fetish 11/13/2023
H
4.64
13k
29
1
37

Inflated Desires Ch. 04

Inflation corruption spreads as transformations run wild...

by AmethystMare in Fetish 11/03/2023
0
2.8k
3
1
5

To the Victor Goes the Spoils Pt. 07

Life after the games is good.

by Preposterousstories in Erotic Couplings 10/30/2023
H
4.75
4.8k
9
0
12

The Fertility Plague

A very rushed, short work about a fertility pandemic.

by PreggoClaireBrooks42 in Erotic Horror 10/25/2023
4.17
12.5k
14
6
30
0

18 Inches (Ch. 07-09)

Chris prepares to meet Alexia at Estelle's insistence...

by Sianwrites in Fetish 10/23/2023
4.48
13.4k
25
1
35

Hard Coded Ch. 02

Artist investigates his STICKY predicament.

by Oppreciator in Sci-Fi & Fantasy 10/09/2023
H
4.67
6.9k
12
1
20

Becoming the Build-your-own Bimbo

Unable to resist, he converts himself into a dumb bimbo too.

by IAmControl in Fetish 10/05/2023
H
4.73
4.7k
5
0
12
0

Another Build-your-own Bimbo to Him

He dates & takes another stupid, inflated bimbo as his own.

by IAmControl in Fetish 10/05/2023
4.26
5.7k
9
0
24
0

18 Inches (Ch. 04-06)

Estelle crafts Chris's new life with his new endowment...

by Sianwrites in Fetish 10/02/2023
H
4.64
19.7k
42
3
62

The Fertility Blessing Ch. 03

Rose raids a goblin camp and runs into a horny troll.

by TheAshenPreg in Fetish 09/26/2023
H
4.72
8.3k
9
3
22

A Bit of a Belly Ch. 11

Conclusion of the picnic date.

by 333Blebleble333 in Fetish 09/13/2023
4.13
5.5k
1
0
4

Complimentary Masks

This companys complimentary masks do something very strange.

by IAmControl in Fetish 09/11/2023
4.16
8.7k
11
5
27
0

18 Inches (Ch. 01-03)

Chris's sex life is about to change in big ways...

by Sianwrites in Fetish 09/11/2023
4.49
40.1k
82
6
148

Chloe's Futa Transformation - Ch. 02

Chloe starts seeing changes to her body, and grows a dick.

by steveojoe in Transgender & Crossdressers 09/08/2023
H
4.73
18.1k
35
12
59
0

Life-Changing Lippy

Free lipstick turns women into perfect and obedient bimbos.

by IAmControl in Fetish 09/03/2023
4.12
9.7k
19
2
34
0

Process Maturity

Extra puberty gives a writer a second chance at happiness.

by NaughtyProphet in Sci-Fi & Fantasy 08/28/2023
H
4.81
13.9k
19
3
42
0

To the Victor Goes the Spoils Pt. 06

And the victors are…

by Preposterousstories in Erotic Couplings 07/30/2023
H
4.83
5.5k
6
2
8

To the Victor Goes the Spoils Pt. 05

The ladies have their fun and Allen makes his fans happy.

by Preposterousstories in Erotic Couplings 07/26/2023
H
4.66
3.7k
5
0
8

To the Victor Goes the Spoils Pt. 04

The performers earn rewards and Allen makes friends.

by Preposterousstories in Erotic Couplings 07/22/2023
H
4.6
4k
6
0
10

Like a Build-your-own Bimbo to Him

He turns the stunning woman into a stupid, inflated bimbo...

by IAmControl in Fetish 07/21/2023
4.42
12.9k
19
2
45
0

Ada and Tula's Adventure

Couple has fun with magic, cumflation, and nipple fucking.

by PEnilio in Fetish 06/23/2023
4.86
4.7k
7
0
11
0

Club Bespoke Pt. 04

Hayden plans Lucy's escape with the help of new friends...

by Sianwrites in Sci-Fi & Fantasy 05/09/2023
4.45
1.7k
2
1
3

Working the Pole Pt. 16

April is given the license to grow huge by her GF.

by Hurradiegams666 in Fetish 05/08/2023
H
4.75
6k
6
2
9

Special Formula

Brooke takes a 'special formula' with unexpected results...

by Sianwrites in Fetish 04/26/2023
H
4.67
47.3k
94
5
172
0

Desperate Ch. 07

Vicky/Tori expands her horizons.

by bad_hobbit in Erotic Couplings 04/12/2023
H
4.73
3.3k
5
1
6

A Succubus's Even Bigger Mistake

Chastity searches for her lost sister.

by MisterretsiM in Transgender & Crossdressers 04/08/2023
4.29
17.7k
21
3
56

Becoming Monsters 2: Ch. 40

Growing developments have appeared!

by AiLoves in NonHuman 03/08/2023
H
4.77
4.8k
10
2
15

A Bit of a Belly Ch. 10

Picnic date continues.

by 333Blebleble333 in Fetish 03/06/2023
3.8
7.9k
1
1
3

A Burden On Your Chest

A curse: Each tip Layla gets, her bra gets tighter.

by TrebleClef in Fetish 03/02/2023
H
4.53
17.5k
28
3
45
0

Toys of A Cruel and Curious God

Jessica's life becomes scary following a one night stand.

by PreggoClaireBrooks42 in Erotic Horror 02/25/2023
3.78
14.1k
10
4
29
0

What More Could One Want?

A blinding light leave me pregnant with opportunity.

by PreggoClaireBrooks42 in Sci-Fi & Fantasy 02/19/2023
4.02
10.8k
4
7
28
0

Kate and Jenny Ch. 03

Another chapter of the story.

by 333Blebleble333 in Fetish 02/07/2023
3
5.4k
2
0
6

Kate and Jenny Ch. 02

The story continues...

by 333Blebleble333 in Fetish 01/21/2023
4
7.1k
3
1
6

Supernatural Supersizing Ch. 05

Nix Grows and Cums Until She's Finally Satiated.

by MisterretsiM in Sci-Fi & Fantasy 01/11/2023
H
4.8
11.3k
13
0
19

A Bit of a Belly Ch. 09

Liz and Becca are going on picnic date.

by 333Blebleble333 in Fetish 01/03/2023
H
4.53
6.6k
1
0
6

Supernatural Supersizing Ch. 04

Tania Distracts Nix During Her Meeting.

by MisterretsiM in Sci-Fi & Fantasy 01/01/2023
H
4.8
5k
5
0
10

Supernatural Supersizing Ch. 03

Expansion, Inflation, Multi, and an Interruption.

by MisterretsiM in Sci-Fi & Fantasy 12/26/2022
H
4.5
8.5k
12
0
20

Supernatural Supersizing Ch. 02

Nix's Extra Appendage is Revealed and Used.

by MisterretsiM in Sci-Fi & Fantasy 12/25/2022
4.27
9.2k
14
0
21

Cryptid Encounters Ch. 01

Emily and Annabeth go camping.

by Apathy_Incarnate in NonHuman 12/18/2022
4.26
5.2k
7
1
19
0

Kelsie Meets the Rod (Shiin Fanfic)

Shiin Tribute story: Kelsie goes on a 2nd date with Simon

by juandoh in Anal 12/12/2022
4.17
5.3k
6
2
12
0

Supernatural Supersizing Ch. 01

Nix Arrives For Work.

by MisterretsiM in Sci-Fi & Fantasy 12/12/2022
4.22
22.7k
31
1
74

Sexually Transmitted Expansion Ch. 11

Charlotte and Kim learn how to intentionally grow... oops.

by DairyAres in Fetish 12/03/2022
H
4.89
12.5k
16
6
22

Becoming a Wife and Mother Pt. 03

Therapist brings father and daughter together to breed.

by Maisy_P in Mind Control 11/27/2022
H
4.61
50.9k
71
8
114

Bigger

Sophie discovers new, bigger thrills...

by Sianwrites in Fetish 11/24/2022
4.17
21.1k
18
3
36
0

The Dawning of Divinity Ch. 03

Rose Fucks And Changes.

by MisterretsiM in Transgender & Crossdressers 11/13/2022
H
4.69
10.5k
6
0
12

Healthy and Wide Ch. 03

El spents lazy day with her new housemates.

by 333Blebleble333 in Fetish 11/03/2022
4.07
8.3k
4
2
6

Becoming Bigfoot

Josie's love life takes a hit when her feet grow.

by ChChanges in Fetish 11/02/2022
1.38
3.1k
5
0
8
0

Sexually Transmitted Expansion Ch. 10

Charlotte's growing body seems determined to ruin her focus.

by DairyAres in Fetish 10/16/2022
H
4.87
18.1k
16
6
22

Sexually Transmitted Expansion Ch. 09

Kim gets her fix of milk. Things get hot... and heavy.

by DairyAres in Fetish 10/12/2022
H
4.89
14.2k
13
1
17

Sexually Transmitted Expansion Ch. 08

Charlotte goes to Derek's, with incredibly swell results.

by DairyAres in Fetish 10/11/2022
H
4.78
10.9k
9
1
14

Cortana Becomes Sentient

After being alone for so long, Peter starts to experiment...

by Antarctica77 in Sci-Fi & Fantasy 10/10/2022
4.49
10.4k
19
5
44
0

Sexually Transmitted Expansion Ch. 07

A visit with an impatient doctor, and a gift for Kim.

by DairyAres in Fetish 10/10/2022
H
4.79
7.7k
8
0
10

Sexually Transmitted Expansion Ch. 06

Charlotte wakes up with Kim, and they fall into a routine.

by DairyAres in Fetish 10/09/2022
H
4.73
7.4k
6
0
10

Sexually Transmitted Expansion Ch. 05

Charlotte fails her first test, and falls into Kim's arms.

by DairyAres in Fetish 10/08/2022
H
4.85
8.3k
13
1
15

Sexually Transmitted Expansion Ch. 04

Charlotte gets sexually frustrated and learns more about sex.

by DairyAres in Fetish 10/07/2022
H
4.76
8.1k
8
0
10

Sexually Transmitted Expansion Ch. 03

Charlotte is letting her walls down, and Derek in.

by DairyAres in Fetish 10/06/2022
H
4.74
9.3k
11
0
15

Sexually Transmitted Expansion Ch. 02

Charlotte shows her face in public again. Well, to Kim.

by DairyAres in Fetish 10/05/2022
4.45
9.7k
11
0
12

Sexually Transmitted Expansion Ch. 01

Charlotte goes to her first college party. It'll be swell.

by DairyAres in Fetish 10/04/2022
4.47
18.4k
27
1
43

Sexually Transmitted Expansion Ch. 00

This is the lore for my ongoing story, S.T.E.!

by DairyAres in Fetish 10/03/2022
4.33
14.1k
17
1
41

American Dad: Steve Strikes Back

Steve enlists Rogers help to get a monster cock.

by Spectre8008 in Fetish 09/22/2022
4.29
7.4k
7
1
17
0

Becoming Monsters 1: Ch. 25

Giantess Futa into Succubus, then meet the new owl girl.

by AiLoves in NonHuman 09/21/2022
H
4.84
8k
11
4
20

The Blind Date

A date with a shapeshifter makes for a very happy birthday.

by GERGLUG in Sci-Fi & Fantasy 09/16/2022
H
4.76
15.8k
62
14
111

Chicks With D!cks

Three women grow huge cocks after having anal sex.

by ChChanges in Fetish 09/05/2022
4
16.9k
17
3
40
0

The Insatiable Pussy

Her pussy grows bigger after each uncontrollable orgasm.

by ChChanges in Fetish 09/05/2022
4.36
25.4k
31
3
59
0

The Insatiable Cock

His cock grows bigger after each uncontrollable orgasm.

by ChChanges in Fetish 09/05/2022
4.08
34.7k
33
2
64
0

The Curious Case of Hyper Pregnancy

In 1902, a doctor examines spontaneous, massive pregnancies.

by DickCryptid in Fetish 08/26/2022
4.41
18.5k
13
0
32
0

Growth Lab 06: The Transport Demo

A teleportation demonstration leads to growth.

by solsticerevenent in Fetish 08/26/2022
5
6.5k
3
1
7

Growth Lab 05: The Plane Outbreak

Growth occurs on a plane ride to D.C.

by solsticerevenent in Fetish 08/25/2022
5
6.6k
7
0
10

Growth Lab 04: The Chess Game

Luna and Benton play chess with growth energy as the stakes.

by solsticerevenent in Fetish 08/24/2022
4.67
4k
2
0
5

Growth Lab 03: Moon Base Breakout

An experiment on a moon base leads to growth.

by solsticerevenent in Fetish 08/23/2022
4.25
3.8k
3
0
7

Growth Lab 02: The Beach

A rescue mission sends Benton through the energy wall.

by solsticerevenent in Fetish 08/22/2022
4.25
4.6k
3
1
7

Growth Lab 01: Colette's Interview

A mysterious scientist conducts an unconventional interview.

by solsticerevenent in Fetish 08/21/2022
4.1
17.1k
13
0
52

Regenerating Rations Ch. 01

Gia volunteers for an experimental food trial.

by solsticerevenent in Fetish 08/21/2022
3.76
5.6k
7
0
12
0

Routine

Size kink about writing size kink that references size kink.

by NaughtyProphet in Fetish 08/19/2022
4.42
8.2k
7
0
14
0

Set Escape On

The expansion community sets off a plague of size kink.

by NaughtyProphet in Fetish 08/19/2022
4.5
9.1k
8
0
19
0

Overflow Error

An experimental mod gives shapeshifting powers, at a cost.

by NaughtyProphet in Sci-Fi & Fantasy 08/14/2022
H
4.67
10.7k
16
0
35
0

Hell of a First Time

A rookie succubus gets much more than she bargained for.

by NaughtyProphet in Fetish 08/14/2022
4.47
12.4k
19
1
38
0

Requiem For A Gaming Chair

A femboy, futa, and chair all bust (one way or another).

by DickCryptid in Fetish 08/14/2022
H
4.54
11.6k
17
1
39
0

MysTerri22

The blog of a girl who wants bigger things...

by Sianwrites in Fetish 07/21/2022
4.46
17.5k
29
2
53
0

Valentine's Day - The Whole Story

A story of unrequited love.

by Quinn_McMullen in Romance 07/20/2022
4.38
5.5k
10
8
16
0

Club Bespoke Pt. 03

Hayden searches for a way to free Lucy...

by Sianwrites in Sci-Fi & Fantasy 07/09/2022
H
4.64
3.6k
6
4
10
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