Fanfiction Different Sex Story

Arthur: Niched

On: archiveofourown.com

Summary: Exactly what the title says. A male protagonist goes to an anime convention, but the world is a free-use setting. Lots of public, casual sex ensues. The first chapter doesn't have much of it, but the work overall will be very bisexual in *all* pairing combinations. Also lots of different character ages. Now complete.

Tags: Anime Convention, Consensual Underage Sex, Casual Sex, Bisexual Male Character, Incest, Cosplay, Orgy, Free-Use, Freeuse, General Debauchery, Public Sex, Plot What Plot/Porn Without Plot, Tentacles, Cum Eating, Legal Pedophilia

•Massage To The Arthur•

I give credit to the original author in every story, first and last chapter. If any author wants to delete their story, they can reach out to me via message.

Arthur: READ THE TAGS!! There's lots of stuff in here that isn't necessarily for everyone. This includes male-male sex, bisexuality, underage sex, incest, orgies and general free-use debauchery. If that sounds like your kind of jam, then welcome. Glad to have you along for the ride.

....

"Hoooooly shit." I muttered under my breath as I finally came up to the convention center. The towering building was only a few stories tall but had the presence of a grand theater or museum. I'd been here once before when I was much younger, though I did not remember it being quite this big.

The journey down here had been a bit nerve-racking. I didn't usually take the buses into downtown. The route seemed easy enough, if a bit long. The hardest part, really, had been keeping people off my dick the whole time. I'd probably been felt up at least three or four times before I finally let a red-haired businesswoman give me a blowjob. I stopped her as I was getting close, explaining that I wanted to save my loads for my destination. The lady had smiled politely and left me with one last lick along my shaft.

That erection did finally go away after quite a bit of thinking about boring things like math and my part-time record keeping job. I tried very hard to not pay too much attention to anyone fucking around me. Though I was transfixed by the first cosplayer I saw along the way. They were dressed up as a character from on of the popular gacha games that I don't play. Most of the costume was skintight, with extra frills and accessories that looked handmade.

Several more cosplayers eventually converged on the street as I walked toward the convention center. Most were in small groups, probably headed out from the local hotels. I was still oddly transfixed with people just… wearing anime and video game costumes out in public. I got excited every time I recognize what character someone was dressed as. But I also couldn't help but think they must be uncomfortable in the summer heat.

Now inside the check-in area of the convention, I looked down at my outfit. I'd gone for comfort and convenience more than anything. A light t-shirt with the logo of my favorite anime on it and some loose workout shorts, plus my sneakers and backpack to round it out. Nothing fancy, I didn't want to even try to cosplay today.

Inside the center, I could see a huge line of con goers winding around the check-in booths. The staggering diversity of costumes, props, hairstyles and people left me pretty speechless. Just as many of them were fucking a partner as were scrolling on their phone in line. Both were good ways to pass the time.

My eyes were immediately drawn to a pair of girls wearing skintight Mekka pilot bodysuits. They were pretty far ahead in the line but posing for a photo. The shorter of the two wrapped her arms around the other girl's waist and pressed their hips together. They smiled for the camera before turning to each other and starting to passionately make out.

My eyes blinked around, eager to see everything. I recognized a shonen jump protagonist balls deep in a cute magical girl, the pair softly grinding as they stood in line. A woman's elaborate dress was hiked up so a guy could get underneath and eat her out. Elsewhere, a guy dressed as a ninja was giving a facial to a girl in a Japanese school uniform. Pretty normal stuff for a large crowd but it all felt so surreal with the costumes mixed in.

I wandered around the long line of people and found a small lobby area. I didn't want to get in line quite yet, I had something that needed attention first. My shorts were almost comically tented by my erection, I desperately needed to get off. I hadn't in about twenty-four hours in anticipation of coming here. It was definitely one of the longest stretches I'd ever gone without blowing a load.

The lobby only had a few people which was nice as I wanted to start small. Get my first orgasm out of the way and clear my head to go into the convention. My attention was drawn to a lady dressed up as a popular character from the biggest gacha game recently. She was probably in her early thirties with very nice curves and long, wavy brown hair. I couldn't quite tell if it was natural or a wig. If it was a wig, then it was quite convincing.

I vaguely knew the character she was dressed as, some sort of which or sorceress from the fantasy world of the game. The costume consisted of a purple and blue leotard with a tight pair of black leggings underneath. She had on long gloves and tall boots. Some frills and extra patterns adorned her body, adding to the mystical nature of the character. To top it all off, she had on a wide brimmed witch's hat that matched the rest of her color scheme.

She was facing away from me, talking to a handsome guy dressed in a very revealing costume. By far her most enticing quality was her plump ass in those tight leggings. From this distance I could see that the costume had a very convenient hole in the crotch area for easy access. My dick strained against my shorts to just go up and grind against her.

I'd always been a bit shy about approaching people. I wanted to get better at it, everyone else could do it so naturally. Giving myself a confidence boost and following my dick, I walked up to the woman and placed my hands on her hips while grinding my throbbing erection against her ass.

"Oh! Hello there." She was a bit surprised but quickly adjusted to a better position and pressed back against me.

"Hi." I said meekly.

"Mmm, that feels like a nice one. If you're gonna use a hole, take my pussy yeah? I'm saving my ass for the anal competition." Her voice was soft and soothing.

Never one to complain about which hole I got to fuck, I dropped my shorts and grabbed my dick to line up at her entrance. She was nice enough to spread her ass cheeks as much as possible in her costume and bend forward just the slightest bit. I rubbed my tip against her cunt and found it already slick with juices. I slowly began to sink my length into her waiting hole.

My fuck partner casually continued her conversation with the man in front of her. I only caught a snippet.

"It's the leggings, Sonia. I told ya' you have the ass and legs for it. You're gonna be popular today."

"As long as they use my pussy, it's fine. I want to be able to put up a real standing in the anal train competition."

I was incredibly torn in that moment. I knew that I wasn't going to last long, but I wanted to keep fucking as much as possible. They way her ass bounced off my hips every time I slammed into her was intoxicating. Not to mention her pussy was a sublime combination of tight, hot and wet.

Ultimately, I couldn't last. After only about a minute of pounding her sweet body, my orgasm was rapidly approaching. I let out a few breathy moans and tapped the cosplayers ass twice, the common sign of letting someone know you were cumming.

"Inside, inside me baby. Yes, juuuuuust like that. Good boy." She was also breathing hard but still managed to sound sultry. I could only grip her hips harder and moan as I unloaded my first cumshot of the day deep into a willing hole. My body went ridged and I let myself go into the haze of a powerful orgasm. I definitely produced more than usual, probably five long shots of cum filled up my partner.

"Ah~~ that was quite a lot, you really needed that huh?" She smiled and playfully pressed back against me, gently swaying her hips.

"Ye…yeah. I was saving up for today." I put a hand on her ass and gingerly pulled my still hard cock from her hole. It popped free with a satisfying wet squelch.

"Awww, I'm honored to be your first for the day." She turned around and kissed my forehead. This was the first time I'd seen her from the front and her breasts were pretty nice too. Perky and firm with a cutout window in her outfit to show off some cleavage.

"You were really good. Thanks." I breathed a sigh of relief, finally getting the release I needed. My eyes glazed over a bit.

"Of course, honey. Have a good time at the con!" She turned back to her companion and grabbed some disposable wipes from a nearby bag. Using them to soak up the inevitable flow of cum that would leak from between her legs. As I turned to leave, I heard her complain about how even though the black leggings looked nice, they would end up with all sorts of stains if she wasn't careful.

After pulling up my shorts once more, I wandered back into the check-in area. The line had somehow gotten longer, and I was a bit dismayed that I hadn't gotten in sooner. Though I suppose the result had been worth it. I finally took a spot at the end of the que, trying to see how many people were ahead of me and how fast the line was moving. My guess was maybe a thirty- or forty-minute wait.

The people in front of me seemed to be a group of younger teenagers all dressed up in various cosplays. Some were pretty good; others were obviously just shambled together. I didn't mind either way, the fact that they even had the confidence to dress up was pretty cool. I didn't pay too much attention to their conversation but did notice when one of the boys sank to his knees and started blowing another guy. He went at it pretty hard and even had a good deepthroat technique.

I glanced back at who was behind me. It was another younger teen with a woman who was probably her mother. The girl was dressed as a male anime villain from an older show. Long black pants and a leopard-print vest made up the clothing plus a short, jet-black wig, gloves and an eyepatch. The character was always shirtless, so she was as well, letting her perky breasts free under the vest.

She was eagerly chatting away at her mother, talking about the different costumes around the hall. The older woman seemed at least moderately interested, if a bit passive. I supposed that not everyone who came here was a die-hard fan exactly, but at least there was plenty of good sex on the side.

The line did take about forty-five minutes, all the while I was watching the group in front of me pair up in multiple different ways. Only one of them came, but it was more about just passing the time than really getting off. I was happy enough just to watch, not being as ridiculously horny as I had been when I arrived. Though I was semi-hard by the time I made it to a check-in booth.

I smiled politely at the girl seated behind the booth and held out my phone for her to scan my ticket. She was wearing a convention staff t-shirt which was very simple. But she was also not wearing any pants. My ticket cleared very quickly, and I got a thin, paper wristband on my left arm.

Finally done with that task, I followed the trickle of people toward the main convention hall entrance. I'd glanced at the layout of the building and where certain things would be before coming here, but a lot of it had already left my head. I would just have to figure it out for myself.

The building was built around a long hallway of rooms, with the large vendor area being toward the back. There were a few rooms with exhibits that would be running the whole day and then some where events and panels would take place at designated times. Really only a few of the listed panels caught my attention when I read over them. Most were for very specific interests and niche areas of the community.

There were one or two exhibits I wanted to check out. I would have to look for the rooms they were in. But I'd decided my first order of business would be to scout out the vendor hall. I knew that there was a reputation for spending all of your money very quickly at these things. So, I'd set myself a budget and wanted to make sure I was getting the best items I could for my money.

I was once again not prepared for the wave of absolutely wild sights that invaded my vision when I passed through the doors. Immediately in front of me was a large area dedicated to all types of anime figures. There were a few very impressive one that stood as centerpieces, but most of the space was covered in smaller figures of all types. Beyond that, the expanse of vendor tables spread out in orderly rows. There were far more than I could comprehend right now.

Packed in the isles between the vendors were crowds of people. A quick glance told me that there were just about as many people in cosplay as there were not. I didn't recognize many of the characters other than just being from anime and video games. Still, the sight was wild. The air was filled with a mix of excited conversation, vendors explaining their deals, and the occasional moan from someone getting fucked.

I probably should have started from one end of the hall and worked my way to the other, but in my excitement, I just wandered down the first isle I came across. There was so much cool stuff! I saw small figures, tons of beautiful art, a manga shop, collectable trading cards, specialty coffee roasts, sex toys, some t-shirts and jackets, even a full-on set of medieval armor.

Of course, the people around me were just as interesting to pay attention to. I recognized a few cosplays from the more popular anime, some older and some newer. Some people were walking around with impressively large props, swords, scythes, chainsaws, wings and the like. One girl had a full-size replica of a bright red three-foot dildo that a character used as a weapon in a game.

Most people were casually browsing the vendors and moved along with decent speed. But the flow of the crowd was impeded when people stopped to make a purchase or engage in sex. Just down one isle I saw three pairs of people going at it however they could. Not to mention all of the casual groping that went on. More than a few hands were cupping exposed assess or sliding along bare skin. Even my erection got grabbed at as I slipped through a narrow opening in the crowd. I didn't really catch whose hand it was.

I spent a good while just taking in the environment and getting a handle on exactly what kinds of good were available. A lot of the stalls were dedicated to art of some sort. There were a ton of really detailed and incredibly beautiful illustrations of many different characters. Most were tame, just showing off a naked body or some action pose. Though there were still quite a few very explicit ones involving all sorts of monsters and fantastical situations that couldn't happen in reality.

One of the most interesting people I saw was a guy dressed up in a minotaur costume. He was pretty tall, with hoof-shoes that probably boosted him another few inches. The main part of the costume was a very convincing bull head that completely covered his own head. He was shirtless and his legs were covered in a hide of brown fur. The most surreal part of it was the three-foot-long plastic horse cock that extended from his crotch.

I watched a few girls eagerly go up to him to take pictures. Some just wanted to grab the monstrous appendage, but most got on their knees and looked at the camera with either mock surprise or genuine arousal. A few even sucked on the flared tip or along the length. The guy in the costume seemed to be having fun even though his real dick wasn't getting the action.

I couldn't imagine anyone actually trying to fuck that thing, but I wouldn't exactly put it past the people at this convention. It seemed that everywhere I looked more people were trying to get off. It took me a bit to realize, but most of the vendors had a toy going on their cock or pussy most of the time. I suppose they weren't getting around the crowd quite as much so some relief helped them focus. Everyone else was pretty free to just grab a spare body and fuck however they liked.

I was just about through the last isle by the time I was thoroughly worked up. My relief from this morning had only lasted so long, my cock was rock solid and really straining my shorts. A cute teenager in a magical girl cosplay noticed as I got to the end of a row of tables.

"Fuck, now that's a dick. Wanna plow me?" She reached out and grabbed at my shorts. It was a bit funny feeling her hands because they were covered in long pink gloves. The rest of her costume was simple but cute and followed the pink color scheme. A white top that led into an incredibly short pink skirt, some sort of headband with a red jewel in the center, some nice-looking pink thigh-high boots and of course a very bright blonde wig. The outfit had some other accessories and pink frills, but it was a little hard to tell as she pressed herself against me.

"Yeah, sounds good." I slipped a hand around her body and under her ridiculously short skirt. I was happy to find she wasn't wearing any panties. I should have figured that would be the norm here. Most people usually wore something at least but the vibe here generally seemed to be more about easy access.

I could tell that the girl really wanted to just start doing it right there in the middle of the isle. I was at least a bit considerate of the other people in the crowd. Fortunately, we were just a few feet away from the corner of the room so I pushed her back against the wall as she kissed my neck and tugged at my shorts.

My dick popped out and stood proudly at attention. I very easily flipped her skirt up and slipped a finger between her folds. We were making out, eagerly soaking up the attention and thrill of going at it in the middle of the con. Her gloved hands still felt a bit weird on my dick but, hell, I wasn't gonna be all too picky about it.

She was a bit shorter than me, so lining it up was something of a problem. Thankfully she was also pretty light so I just pressed her against the wall and got my arms under her thighs to hoist her up until her sweet pussy was right above my tip.

"Oh! Fuck yeah, pound me against the wall!" She wrapped her arms around my neck.

I gladly obliged her. I very carefully lined us up and then sank her down onto my cock. She was wet and pretty tight, but definitely sloppy from some previous encounters. Not that I minded, most people had many partners each day and it was a pretty normal sensation.

Once I was fully sheathed inside, I gave a few small pumps before really driving into her. She yelped and hugged me tighter as I got into a good rhythm, holding her up but also keeping her from sliding too far up with wall with each thrust. It felt good, but this time I was totally ready for a full fuck. I could normally last a good fifteen or twenty minutes just focusing on one partner. Some people had much better stamina than me.

"Yes yes yes yes yes… fuck me like a real magical girl. Fuck that's so deep, just like that!" She growled in my ear as I continued to pump into her. We kept at it like that for a good while, slamming our bodies together while lots of other con goers milled about. I relished in every thrust, knowing I'd probably only get to fuck so many cosplayers while I was here.

Even though her wig was getting messy and her costume was getting crumpled in places, she still looked like a very cute magical girl as she took my dick. The novel experience was quickly boiling up my cum. Her very liberal dirty talk helped a bit too.

"Mmmmm, you gonna cum yet? Wanna fill up my slutty magical girl pussy? Shit, I'm really close and I wanna cum when you bust inside me. Pretty please?" She put on an innocent expression.

That did it for me. "Fuck, here it comes!" I grunted and pressed myself as deep as I could inside her. She yelped again and trembled as I started spraying my load inside her clenching hole. We both rode through a very satisfying orgasm at the same time, my legs just barely able to hold our combined weight. She locked her legs around my waist and moaned into my neck, wracked with pleasure. This load wasn't as big as my first one, felt like just three thick ropes followed by some small dribbles.

"Fuuuuuuuck dude, that was nice." The teen wobbled a bit after I slid her legs down to the ground. She quickly went about readjusting her wig and shirt.

"Yeah, same to you." I reached into my backpack and pulled out a few sanitary wipes to clean off my dick. I offered the cosplayer some as well but she turned them down.

"I like to feel it leak out. Gotta go, see ya!" She gave me a small wave and then trotted off, probably to go meet up with some other people. I watched her bare ass sway under that ridiculously short skirt as she walked away. I dimly wondered who the next lucky person would be to feel my cum inside her. Or how many people would see it running down her thighs.

After that bit of exercise, I was ready to take a break from walking around the vendor hall. I decided to walk back around the individual rooms and see what other interesting things I could come across.