Basically, just the process of putting something large into your genitals. Be that dildos, plugs or any other kind of sex toys, or even a large penis / some other kind of object.
One of my favourite sex-toys and large-insertion hentai I’ve ever found. Like many other works by Ishimura, it’s absolutely wonderful. Oshiri-san No Shiriana Jii Kiroku by Ishimura https://nhentai.net/g/296421/ ...
Combat Skirt Ready! by ConvolutedPlot Absolutely amazing robot-suit story by ConvolutedPlot on DeviantArt. It follows Ruby and Penny from RWBY and Penny’s desire to show Ruby her newest features. Turns out, Penny can now act as a kind of suit for people to wear. Ruby, deciding to indulge Penny’s idea, quickly realizes she got more than she bargained for, especially when Penny’s shows her other new ability. Making herself look like other people. ...
Water Fun by Portly-Robust (Archive Link) Amazing sex-toys and belly-inflation story, that follows Barbi using a special built dildo to inflate herself with water thanks to her boyfriend. Really cool concept, that is used here, as it involves using a “container” for the water, instead of just directly pumping it into the body. ...
100% Waterproof by Gachabork (Archive Link) This really hot belly-inflation and sex-toys story, I recently found, follows Keke and her really dumb idea of glueing her vagina shut, while still keeping a massive dildo and vibrator inside. She fought the glue would dissolve with her bodily fluids, but it turns out, she used waterproof glue. The entire situation gets even worse, as Keke cums quite a lot and in large volume, which now has nowhere to go… ...
Basketball Blunders FEMALE VERSION by Nikebelly80 (Archive Link) Really nice belly-inflation story I found recently. It follows Kaylee, a female basketball player, who is made responsible for the team’s loss. The entire team decides to have some fun with her punishment… ...
Double Paid Babysitting by Jole1038 The work, listed here, includes fictional characters that are still under-age. One of my absolute favourite unbirth stories by Jole1038 ever. It’s quite long with eight parts, and it follows Jess, who usually works as a stripper, who suddenly gets a call from a friend. Her friend pleads for Jess to look after their kid for about two days and reluctantly, Jess agrees to help. As, Jess often plays with some larger sex toys and combines this with streaming as a camgirl. She just has a little accident during her stream, when the baby she’s supposed to look after, gets too close to the giant toy she was using. Jess, being completely distracted, notices too late when what is now in her stomach, isn’t her dildo. ...
Zapping Back Bigger and Better by Jole1038 (Archive Link) Amazing Overwatch story by Jole1038. They usually write unbirth stories, but this one is more about large sex toys, and it’s absolutely wonderful. Tracer messed a bit up, when she tried to make her own dildo, and it caused the silicone of the dildo to be mixed with the chemicals that were powering her reactor and teleportation powers. She soon discovers what consequences this has, as she’s forced to teleport quite a bit during her next match. ...
Missing on the Inside by Jole1038 This two-part unbirth story by Jole1038 on DeviantArt is told from the male perspective and about you, working on an assignment with your crush. She behaves a bit unusual when you get together, and she suddenly wants to go to your home. Especially when she tells you, she feels “somewhat empty”. ...
Last Cage by Mikel (Archive Link) Another wonderful and quite long chastity story by Mikel. This work follows Abby and her obsession of being locked inside a cage or other bondage. It all started with her getting locked into a cage by her brother during her childhood, and had grown quite an interest in the feeling she got during that experience. Connecting her toys to a live-streaming website, she quickly assembles a setup where she is tortured for hours or even days on end. But this all is still not enough for her and after coming across a company that makes quite sophisticated bondage cages, she plans to realize her life-long dreams… ...
Ball to Boy to Men by Jole1038 Another unbirth story by Jole1038 on DeviantArt, this time playing more around with toys and large insertion. It follows the female main character and her little accident while playing around with a basketball. One can imagine how it continues from there… ...
A Belly Full of Fluff by Jole1038 Another two-part unbirth story by Jole1038 on DeviantArt. It follows Nancy and how she often has some fun with her stuffed toys in a quite unusual way. When their parents leave the alone for a weekend and Nancy’s little brother Billy has a nightmare, he makes some interesting discoveries when he goes to his sister about his dreams. ...
Helpful Sister by Jole1038 A longer four-part unbirth story by Jole1038 on DeviantArt. It follows Elise and her three younger brothers and how their mother punishes them. At some point, their mother sadly doesn’t have enough space any more, so she decides that Elise has to help out a bit… ...
Unwanted Arrangements by Jole1038 Short two-part unbirth story about Jake and his sister Lela and her annoying obsession with unbirthing her brother. It all starts out, when Lela asks her brother to help her get an apple that she used as a sex toy out of her vagina. Due to a kind of accident during that procedure, Jake actually gets deeper into Lela and gets completely pulled in. Jake really doesn’t like this, but by trying to move around, he only turns Lela on more. ...
Looking After Troublemakers by Jole1038 Another 4-part unbirth story by Jole1038 on DeviantArt. This story follows Emma, her siblings and Grace, their babysitter. During a game of tag, Harry has a little accident and falls somewhat into Grace, causing quite the unusual scene for both of them. Coming somewhat to an understanding, Grace starts to enjoy their predicament quite a bit and Emma starts to wonder how it would feel, having another person inside her. ...
Hiding From Mum by Jole1038 This 2019 unbirth story by Jole1038 on DeviantArt follows Ashley and the time she had to look after her little brother while their mother was away. The family has some unusual traditions when it comes to forgetting chores or messing up somewhere and when Ashley’s little brother Tom forgets to do his, he quickly asks his sister, if she can help him hide somewhere. Especially after Tom gets a girlfriend, Ashley’s “services” get a more advanced use. ...
Looking After My Siblings by Jole1038 Another two-part unbirth story by Jole1038 on DeviantArt following Grace and her time she had to look after her siblings, ruining her plans she had that day. Grace knows her body is somewhat unusual, as she found she could insert giant objects into her vagina without any real trouble. She had initially planned to use her spare time to further test how far she could go, but was forced to look after her siblings instead. As she still wants to go through with her plans, she decides to make use of her siblings instead. ...
Testing My Limits by Jole1038 This two-part story by Jole1038 follows Amanda and some weird potion she got at some kind of witchcraft shop. It seems to have some interesting effects on her vagina and once home, she starts to feel a need to have her holes filled. First using a bottle and later moving on to an entire watermelon, she decides to test out how far she can go. Her job as a teacher comes in quite handy later on… ...
The Contest by Jole1038 Another multipart unbrith story by Jole1038 about Danielle and her three friends. All of them have got quite interested in large sex toys and have started a bet to see, who could hold the biggest toy in during school. All of this, of course, goes far further than they initially thought. ...
Babysitting Made Easy by Jole1038 This work includes fictional underage characters. Read at your own discretion. This is a long eight-part unbirth story by Jole1038. This earlier work follows Gabby and her babysitting side-job. She gets a new request to babysit three kids (ages six, ten and fifteen) and while asleep, the kids get a bit too curious about Gabby’s mature body. As one might expect of these kinds of stories, things go a bit sideways when the kids start playing around with Gabby’s genitals. ...
Stories by Jole1038 Here are a few one-shot stories written by Jole1038 on DeviantArt. This author basically only writes unbirth and occasional vore stories, and has written quite many of them. Of course this entire thing is completely unrealistic, but it’s hot, so who cares. The earlier works sadly have quite a few writing mistakes and can sometimes be a bit tedious to read, but I still enjoyed them quite a bit. They sometimes also include the usage of sex toys and a few rare ones even include a corset to hide the large inflated belly, which I haven’t seen yet in other stories and made the entire thing even hotter. ...
Be Careful What You Wish for by Mikel (Archive Link) Really old story by Mikel from 2013 detailing Judy’s obsession with corsets and chastity, often wearing a combination of the two under her work clothes. She soon orders a specialized corset for long-term wear, that goes far beyond what she initially had imagined. When she finds out that the control unit of her specialized version has a software bug, she finds herself locked in her new outfit for quite a long time. ...
Woman in the Mannequin by Mikel (Archive Link) Another more recent work by Mikel from 2022. This story follows Justine and how her obsession with becoming a mannequin. After finally managing to assembly a complete suit, she nearly gets stuck in it, as it became increasingly difficult to move in the tight and solid suit. She quickly finds the problems in her suit and after some discussions with her friend Mary, who also owns a local fetish shop, they manage to create a complete suit, including feeding and waste management. After getting in the new suit, Justine finally becomes the perfect mannequin she always wanted to be… ...
Some of my favourite works by ubon on Pixiv Quite a few nice skinsuit and living clothes works. Especially the Cosplayer one is amazing and I hope they do more like that. ...
Living Doll by Mikel (Archive Link) An outstanding more recent work by Mikel, that follows the male MC and how his partner Sophia wanted to be transformed into a perfect rubber doll. Sophia and the MC get more advanced and complicated with their rubber garments and soon Sophia wishes to be glued inside multiple layers of latex, leather and steel. ...