TF and Ex Kink: Butt Growth

Character’s butt gets larger

16 Apr 2017

Tidehollow Marsh

094 – Witch’s Brew

Time to Read: 14 minutes

After stealing potions from a witch and each growing quite a bit, Balama and Alethra still have more to drink...
Warning: Massive sizes and altersex content ahead!

a dramatic change through magical potions, accidental sex change, accidentally out of control, bigger than should be possible, breast expansion, female friendships, giant-sized breasts, her breasts go past her hips, her breasts go past her knees, her breasts go past her navel, her breasts go past her waist, hyper-sized balls, hyper-sized breasts, hyper-sized penis, overcompensating on gender, overwhelmed by sensations, rivals to lovers, tall and buff woman with a penis, they get bigger, they get much bigger, they get taller, they grow a big dick, they grow a dick, they grow a huge dick, things work out in the end, thirst over logic, unexpected awesomeness, unsure to accepting

15 Apr 2017

A Present Fantasy

093 – (Don’t Have to) Worship Me

Time to Read: 21 minutes

Yuuki tries to figure out where everything went awry and then discovers just how much Sage has changed...
Warning: Massive sizes and altersex content ahead!

accidentally out of control, bigger than should be possible, her breasts go past her waist, horns or ears as handles, monster girls have more fun, of course the super-endowed amazon has a horsecock, outgrowing one's clothes, overwhelmed by sensations, she gets bigger, she gets buff as hell, she gets super thicc, she gets swole, she has a huge dick, she has an amazon fantasy, she has an oral fixation, tall and buff woman with a penis, thirst over logic, transferable transformation, trying to put the genie back in the bottle, unsure to accepting

12 Apr 2017

A Present Fantasy

091 – Adjust to Fit

Time to Read: 4 minutes

Since the events of the Halloween party, Kristi has been getting more and more comfortable, both with her identity as a shapeshifter and with the idea of going out with Linda...

a burgeoning romance, a date at the mall, a shapeshifter with identity issues, fade to black, fluff, monster girls have more fun, shapeshifter problems, transformation controlled by emotion, you made this happen, take responsiblity

19 Mar 2017

079 – Escalating Lust

Time to Read: 19 minutes

A college party leads to experimentation and discovery for a shapeshifter having sex for the first time.

monster girls have more fun

10 Mar 2017

Xintoz

086 – Potion of Transference

Time to Read: 3 minutes

An alchemist trying to find a better way for trans folk to transition invents a new potion, however, thanks to his choice of ingredients it seems to be more effective than he expected...

a magic potion leads to dramatic changes, accidentally out of control, overwhelmed by sensations, partners swap sexes, using magic to transition

8 Mar 2017

A Present Fantasy

074 – (Don’t Have to) Keep Me Growing

Time to Read: 12 minutes

The experiment continues. Sage experiences her own side effects as Yuuki and Caroline continue to observe the effects of a full vial's worth of serum. Things get a little... wild between them. Warning: Extreme transformations, massive sizes, and altersex content ahead!

a dramatic change through magical science, accidentally out of control, deliberate overdose, developing a taste for large insertions, domestic and submissive femme, eating and masturbating at the same time, fucking for hours, going along with the weird, growing with every movement, I had no idea that was my fetish, impossible sex, in medias res, monster girls have more fun, of course the super-endowed amazon has a horsecock, of course your massive dick is equine, outgrowing one's clothes, overwhelmed by sensations, playing with more than one toy at once, pulled close for the money shot, she becomes a bit more bestial, she gets buff as hell, she gets covered in cum, she gets hairier, she gets pumped full of cum, she has more tit than she knows what to do with, that really should cause an injury, that was probably a bad idea, the transformation takes only a few seconds, their appetite is out of control, their libido is out of control, thirst begets more thirst, thirst over logic, unforeseen side effects, unsure to accepting, visibly growing

1 Mar 2017

073 – A Spell Awry

Time to Read: 14 minutes

Ever since their wedding, a heterosexual couple in an open relationship find themselves more eager than ever thanks to a spell from her sister. So far, they have never broken either of their two rules for sex with others, but what will happen when they both slip up?

a significant change because of a spell, alls well that ends well, almost bursting out of one's clothes in public, an empathetic link, an open marriage, committed poly relationship, communication breakdown, consensual cheating, my husband's girlfriend is hot, my wife's girlfriend is hot, picking up strangers in a bar, sex at the office, sex makes my partner grow, surprise breasts, surprise penis, who could have predicted this

23 Feb 2017

The World of Witches

071 – A Game of Crystals

Time to Read: 21 minutes

After finding out that her appearance and magical aptitude could be the result of reincarnation, the shrine maiden goes in search of answers. What will she find in the ruins which dot the valley?

a possessed underling, faced with the ghosts of the past, I never knew I had this power within me, I'll rip the power right out of you, in love with senpai, it seems hopeless, miraculous recovery, more than they appeared to be, nothing can stop me now, plot drama, pursued by an unseen presence, trying their best

14 Feb 2017

Another fine fiction powered by Comicbook Science

063 – Love Me For Me

Time to Read: 19 minutes

A superheroine with Jewish heritage can turn into a golem at will by absorbing the materials around her, but the strain of balancing her heroic persona and her real life is getting to be too much for her, and now she has to deal with the Rookie Hero of the Year as well...

colleagues to lovers, like me? you just met me!, she looks damn good in a suit, the wine's going to my head

23 Jan 2017

Eros Corp.

051 – Infused With Alteration

Time to Read: 2 minutes

Eros brand shampoo is guaranteed to make your hair, and the rest of you, look great! Warning, incorrect use can lead to dramatic changes in appearance. Ensure you are using the correct product before purchase.

a dramatic change through iffy science, chemical mishap, going along with the weird, iffy science, oh shit, i'm a girl now, she's into it, that one friend, unexpected awesomeness, unsure to accepting

12 Jan 2017

045 – Booty Jeans

Time to Read: 10 minutes

Sometimes, you just wish that you could be someone else for a night. Sometimes, your roommate can make that happen. Sometimes, things go very differently...

accidentally out of control, assuming another identity, big strong black guy, Cinderella goes to the ball, clothing destruction, comicbook character refences, faerie mischief, fairy tale trigger conditions, female friendships, going along with the weird, in medias res, magic gone haywire, magical clothing, masquerade ball hook up, outgrowing one's clothes, that one friend, things work out in the end, thirst over logic, unexpected awesomeness, unsure to accepting

11 Jan 2017

Somewhere, The Horned Crown Imperium

043 – Hythena’s Evolution

Time to Read: 6 minutes

Years ago, a young daemoness was given a great opportunity which changed her far more than she ever expected...

absence makes the heart grow fonder, accepting to enthusiastic, accidentally out of control, and that's how I became a supervillain, big tiddy goth gf, corrupted and happy, daemons aren't just evil, dark relationships need love to, don't call me a succubus, drunk on power, energy tendrils, going along with the weird, he's not that way with me, I can kill with a word, I had no idea that was my fetish, I really am special, impossible clothing, impossibly massive growth, in medias res, into him for his power, looking bored while having sex, missing you makes me horny, monster girls have more fun, obsessed with him, outgrowing one's clothes, overwhelmed by sensations, tails as sex toys, that's not where a mouth goes, the narrator is unreliable, the rules don't apply to me, the story is an inner monolgue, things work out in the end, thirst over logic, tied down and fucked, unconventional magical girl, unexpected awesomeness, unsure to accepting

31 Oct 2016

028 – Demoness Costume

Time to Read: 26 minutes

A woman's idea for a Halloween costume turns out to have a mind of its own...

a crossover between settings, demon lesbians, extreme exaggerated growth, gags on their own cock, goes to extremes, growing into a body that clothes can no longer contain, her breasts go past her waist, her dick reaches her knees, indulging darker influences, more than they expected, she becomes a succubus, some people drink for courage, others become demons, things work out in the end, willing corruption

17 Aug 2016

025 – A Swelling Regard

Time to Read: < 1 minutes

After a spat with a witch over the last bottle of milk, a woman finds herself growing and lactating. As it turns out, the same is happening to the witch. Now, both are seeking a solution before they are too busty to move!

16 Aug 2016

TF House

019 – CamDevil

Time to Read: 21 minutes

On TF House, an erotic, online reality show, participants take mystery medications which cause transformations. One such contestant is about to have the best show of her life...

2 Aug 2016

016 – Goddess by Choice

Time to Read: 32 minutes

Following up on Goddess By Proxy(#012) the hypnotist and her reality warping client find themselves at odds as he tries to give his power to her, which could destroy her in more ways than one... Warning: Extreme transformations ahead!

a fuck sandwhich, accidentally a goddess, accidentally out of control, altersex woman, bigger than should be possible, everything works out in the end, going along with the weird, he's a reality warper, please take my power from me, reality is malleable, she's a hynodomme, thirst begets more thirst, thirst over logic

20 Jul 2016

014 – You Become What You Wear

Time to Read: 18 minutes

After her cosplay debut is far bigger than she expects, a woman decides to do a photo shoot with a good friend. The new costume, however, bears a familiar seven-pointed star...

a cosplay transformation, faerie mischief, female friendships, fluff, growing into an outfit, her breasts go past her waist, magic gone haywire, magical clothing, she becomes an elvish princess, their first time, thirst over logic, unsure to accepting, useless lesbians, utterly transformed, visibly growing

5 Jul 2016

023 – A Circular Solution

Time to Read: 18 minutes

A couple faced with infertility problems find a potential solution when an archaeological display arrives in her lab at the Museum, but is Faerie Magic really the best solution?

a creative solution, faerie mischief, lovers swap sexes, magic makes things better, more than they bargained for, using magic to transition

4 Jul 2016

022 – Swapping Love

Time to Read: 17 minutes

Two high school sweethearts reconnect over the summer after her freshman year, however, one of them has finally found the fortitude to face their dysphoria. This leads to a far more intimate moment that either of them anticipated as the new girlfriends promise to support each other in this new chapter...
Warning:Altersex content ahead!

accidentally out of control, becoming the true you, exchanging body mass, experimenting with one's body, faerie mischief, going along with the weird, having sex like newlyweds, her breasts go past her waist, high school sweethearts, honey i've always been a top, I've just gotten better at it, magical accessories, out-maned by his woman, outgrowing one's clothes, overwhelmed by sensations, she gets bigger, she gets swole, she has the best of both worlds, supporting their girlfriend, the fashion fey strikes again, thirst over logic, unexpected awesomeness, unsure to accepting, using magic to transition

3 Jul 2016

The Horned Crown Imperium

021 – What You Bring to the Table

Time to Read: 17 minutes

A man who feels he has nothing to lose seeks out the power to change his life, only to find how deep his hunger really goes...
Warning: Extreme transformations and sizes ahead!

a deal with a devil, a Faustian bargain, a metaphorical death, an existence purely for sex, assuming another identity, bigger than should be possible, demon lesbians, embarrassed by the changes, goes to extremes, going along with the weird, he becomes a woman, her breasts go past her knees, I'm gonna die anyway so might as well, monster girls have more fun, monster physiology can be surprising, more than they bargained for, outgrowing one's clothes, succubus means I'm a bottom, they get a new lease on life, unsure to accepting, utterly transformed, way more than you bargained for

3 Jul 2016

012 – Goddess by Proxy

Time to Read: 20 minutes

An accomplished therapist who uses hypnosis with her clients finds out that her newest referral is more than he appears--much more.

2 Jul 2016

The World of Witches

011 – Arenkant’s Temple

Time to Read: 23 minutes

A witch hunter finds himself in the middle of an event which has been centuries in the making...
Warning:extreme transformations ahead!

30 Jun 2016

010 – Videogains

Time to Read: 16 minutes

A pair of lesbian otakus find themselves playing a game with a very robust character creator which has some... expansive effects.

accidentally out of control, big top and small bottom, bondage via hair, carried away in the moment, demon lesbians, experimenting with one's body, her breasts go past her waist, more than they bargained for, self-controlled expansion, self-controlled transformation, she becomes a succubus, she has an unnatural hair color, she has piercings in her ears, she has piercings places other than her ears, she is super nerdy, tied down and fucked