The Cosplay Masochist Girlfriend Who Loves Being Shown Off

The moment consciousness returned, I was already searching for a girl as I heaved myself upright, body stiff and aching.

The room was a harmonious blend of blue and white. Manga Yuna had recommended sat on the bookshelf, and erotic figures were scattered around the desk — a man's room, somehow, and yet one that bore none of my own tastes at all. A bachelor's den ought to reek of lonely neglect, but this one was filled with a clean, cool scent, as if someone had come home after months away.

Caught between that residual stiffness and a strange sense of refreshment, I suddenly looked down at my palm.

…Who the hell scribbled this?

Yuna?

Did I even see Yuna yesterday?

Ugh. Why am I dizzy again?

Feeling a homesick nostalgia, as if I'd finally returned after a long absence, I drifted out to the living room and toward the master bedroom without thinking. Dad had already left for work; the house was quiet except for the low murmur of a morning broadcast. Mom-pig was sprawled on the floor watching TV, grinning ear to ear with no apparent intention of doing anything else. She glanced at me and seemed to smile even wider.

"Mom."

"—I made food. Just reheat that and eat."

"Forget food. Mom, uh… I've been staying out overnight lately, right?"

"…? No? Why are you suddenly asking that?"

"Nothing. Just curious."

"This kid — you're gonna give your mother a heart attack! Don't tell me you're getting dementia too?!"

"Probably… not…? I'm just not fully awake yet."

While I yawned hugely, Mom's nagging chattered on without pause. Fair enough — dropping a question like that first thing in the morning would make anyone's liver drop. I shouldn't have asked. She already fretted enough over what had become of my body; now she was going to start fretting about dementia on top of it.

Hmm—

Before showering, I looked at my hand again.

…A memo.

Right. I had plans to go to a cosplay event with Yuna today. Something felt off, but I must've just gotten mixed up from going to bed late.

I had no idea what the rest of the writing meant, but I figured I'd written it myself, so I roughly washed it off with water. How I'd managed to scrawl on my right arm with a left arm that barely had any strength was a mild curiosity, but not important enough to care about.

Cosplay… When I came to my senses, my room was already in that state… She'd hauled in a mountain of doujinshi from god knows where, trashed the place, and gotten chewed out for it… And those perverted figures that aren't even my hobby — I told her they were an eyesore and everything……

As I stood blankly under the water, the nagging eventually faded and the sound of TV absorption returned. Matching that ease, I let the tension go and leisurely thought about Yuna — my girlfriend, someone I ought to know better than anyone, and yet I found myself reciting the details as if from the very beginning.

Yuna.

We'd met in elementary school and officially started dating in high school. My girlfriend.

Hobby: erotic cosplay. Especially popular in the underground scene thanks to her high-exposure outfits. Most people used aliases; she refused and operated under her real name. She was passionate enough to show up at basically any cosplay event regardless of genre, but every costume she wore was so revealing that she rarely took first place even at contests or company-sponsored venues — usually second or third.

She knew exactly why, and she still participated that way on purpose. A total freak. She ran a back-account of that sort, so most people who recognized her looked at her with filthy eyes. If I hadn't been her boyfriend, who knows what might have happened to her…… No — even with me around, she loved getting that kind of treatment from me and posting proof shots of it, so the ‍‍‌‌⁠​​⁠‌​​‍​​‍​‌​⁠‍‌‍⁠⁠‌⁠‌‍‌‍‌‌‌‍⁠​‌​‌​‌‍‌‌‌⁠‍​​‌‍⁠‌‌⁠⁠worry was pointless.

For someone with a hobby like that, her sexual walls were hardcore beyond belief. A complete pervert.

Is that idiot going to egg me on again today?

After the event, book a hotel for an offline hookup.

In Yuna's case it wasn't so much an offline fuck as an offline beatdown — but that was one of my pleasures too, and I was looking forward to it plenty.

"Mom, I'm coming home late today. Or maybe staying out. That cool?"

"What? Why again? …Don't tell me it's Yuna! Hey — even if you're a college student, that's still—! If she gets pregnant you're in real trouble! I told you last time, didn't I? That girl's weird! Just break up already! Stay away from her!"

"What kind of random bullshit is that? What kind of idiot tells his parents he's staying out and then actually goes to meet a girl? I'm hanging out with some guy friends today, so quit the weird worrying."

"Son—!"

"What?"

"You don't have any guy friends!!"

"Ah, fuck."

Right in the bone, every time.

"Jeong Juwon! Where do you think you're going, you good-for-nothing! A kid whose body's already a mess, and you're out chasing girls like that—!!"

I washed up, changed, and fled immediately.

Even with bad eyes, I'd memorized the neighborhood almost completely — the one place I could still bolt at a full run.

"You worthless brat! You really—!!! You, you, you! I can't live because of you, I swear! If talk starts about you knocking someone up and this household turns into a disaster, you're disowned, you hear me?! Do you understand your mother?!"

"The neighbors can hear you!"

"They're supposed to hear, you shameless little—! Calling that a son! Ugh, my insides are boiling, I ‍‍‌‌⁠​​⁠‌​​‍​​‍​‌​⁠‍‌‍⁠⁠‌⁠‌‍‌‍‌‌‌‍⁠​‌​‌​‌‍‌‌‌⁠‍​​‌‍⁠‌‌⁠⁠swear!"

Fuck, her instincts really were disgustingly sharp.

Still, she wasn't truly furious — she chased me as far as the entrance in her slippers, then quietly turned back around.

Guess I should buy her something tomorrow and come home—

"Juwonaaang~?!"

"—Ah, shit! You scared me!"

And just like that, a girl grabbed me out of nowhere.

That voice, that body heat, and the dog-like affection of a pet throwing itself into its owner's arms — the shock settled almost immediately.

"What. When'd you get here?"

"I figured you'd be coming out soon, so I've been waiting at the entrance~!"

Yuna, of course.

She stood with one leg lifted cutely, flashing a V-sign with her right hand, dressed in something that looked more than a little trashy. The weather was warming and the sun was strong, sure — but those obscenely short hot pants and the white knee-highs biting deep into her thigh meat were terrifying. The top was cut out at the back and under the arms too… If she'd walked into the house like that, the side-eye would've been nuclear.

"Your mom doesn't like me, so I waited outside~!"

Parents generally wouldn't. …Mothers especially.

Between that overly familiar attitude, how easy she was to read as bait for guys, and how aggressive her outfits were, people treated her like a bitch basically everywhere she went. There'd been plenty of trouble over it even in high school. She had zero intention of fixing it — and since she was, in practice, a boyfriend-exclusive slut, it wasn't exactly wrong either.

"What~? Ah, I'm pretty today too, right?! Look forward to it! I prepped the costumes hard!"

The smile she beamed was pure sunlight.

"You fucking bitch."

"Kyaa♡"

That expectant look in her eyes earned her an immediate smack on the ass — hard enough to leave a mark on the big, blatantly protruding flesh under the hot pants. She didn't seem to mind; she was wagging her hips like a rabbit.

"Aha, aeuuung~! Thanks for the morning greeting~! Did you eat? Wanna eat first? Or I prepped the car, so should we just go?"

"You had a license?"

"Got it the second I started college~! Cash prepped the car, and there's clothes for darling to wear too!"

She smoothly buried the car question under everything else.

…I decided not to ask.

I wasn't particularly hungry, so I said we should head straight to the venue — and what greeted me was a camper van. Since she'd said it was Cash's car, I'd expected something flashier; this was a surprise. Catching my look, our gyaru-type otaku fired up the engine and answered with a sheepish grin.

"Hm? Obviously this is way easier for changing clothes~! Having to do makeup in a bathroom every single time was such a pain~! You know, especially since I've got a lot of 'numbers'! Spending all night prepping an outfit only for it to get scraped on a bathroom floor and reek of ammonia is so annoying! I mean, sure, it's getting torn up at night anyway — but the one doing the tearing is you, Juwon, so I'm being considerate of my boyfriend here. Making you rip fabric that was on a bathroom floor? Absolute worst, right~? So yeah, Cash basically saved my life! Kya-hahaha~!"

Fair enough.

The delivery was a bit crude, but in the middle of it I could hear the consideration for me, and the absolute firmness of her stance on her own hobby.

"Judging by the thumping from the back, sounds like someone's busy."

"Ehehe~! Well, they're all me, you know? I prepped super~ extreme and suuuper erotic stuff again, so we're gonna pull so many eyes!"

"You got an exhibitionist streak or what?"

"I'll say it flat: no~?"

"How can you be so sure?"

"I just like being treated like a mannequin next to Juwon and getting shown off. When we did exhibition play before, all I felt was nervous — nothing else. I keep the back-account because I love flaunting that 'look how extreme we play' energy."

"And that's why random guys keep hitting on you, right? How is it lately? Still getting messages?"

"Toooons! I said I don't take requests, but some idiots still send super specific instructions for the next event — do this here, this character, this outfit~! I tell them I have a boyfriend so I don't do 1-on-1 chats, and they still try to pitch swapping~! Total morons~!"

"Nothing dangerous, though?"

"Juwon's here, so it's fine~☆"

Hearing her cut it off so cleanly made my shoulders lift a little — and left a bitter taste at the same time. If something actually went down, I didn't have a body sturdy enough to help her myself.

That aside—

What was written on my palm was about Yuna after all.

I tilted my head again, wondering why I'd bothered writing down something I already knew, while the chatter kept flowing back and forth. She'd clearly poured her soul into the prep this time too — she had no intention of spoiling what she'd prepared before we arrived, and a tarp was drawn across the partition to the back seats so I couldn't see what anyone was wearing.

"You love cosplay that much, but you never go to ○suko."

"They kick you out if you wear anything too revealing! People might think it's safe since everyone's walking around outside, but the second a bunch of guys gather, the side-eye starts immediately! The girls there have basically formed a cartel — the moment you get marked, they call staff and boot you~?!"

……?

"Mostly your own fault, though?"

"Yep! Correct~!"

And she was flashing an OK sign with a sunny smile…

"On the other hand, company events and organization venues don't give you nearly as much of that side-eye! Even if you place second or third, getting an award means you end up on the homepage banner~! Watching game-obsessed guys see that and go 'who's this girl, what's her name,' rate the body, then follow ‍‍‌‌⁠​​⁠‌​​‍​​‍​‌​⁠‍‌‍⁠⁠‌⁠‌‍‌‍‌‌‌‍⁠​‌​‌​‌‍‌‌‌⁠‍​​‌‍⁠‌‌⁠⁠the trail all the way to my back-account… pffft, huffing and puffing while they leave dumb comments and become darling's jack-off material — I'm honestly so grateful!"

"I think this sometimes, but you really ‍‍‌‌⁠​​⁠‌​​‍​​‍​‌​⁠‍‌‍⁠⁠‌⁠‌‍‌‍‌‌‌‍⁠​‌​‌​‌‍‌‌‌⁠‍​​‌‍⁠‌‌⁠⁠do have a shitty personality."

"I'm nice to darling! One hundred percent goodwill! No talking behind your back, no ulterior motives~!"

"I know that, but… you don't have to put it like that…"

"But when some random guy goes 'I'm a fan' and asks for off-shots that aren't even cosplay, it genuinely gives me the creeps~! The way they openly telegraph what they came looking for, twitching and fidgeting! And that look like they're hoping some crumbs might fall their way too! The absolute worst was the guy at an offline who deliberately brought up the back-account and started fishing around! So gross~! I literally wrote that I only post it for play because I have a boyfriend — what are they even hoping for~!"

Yeah, that would be unpleasant.

Even so, cheerfully uploading that stuff and then trash-talking the people who looked at it was still scummy. That part didn't change.

Yuna might actually have the worst personality of any girl I know.

Still, she was my girlfriend, so I let it slide without scolding her. Light chatter continued after that until we arrived at the familiar event venue. It was some kind of comprehensive game-related event — cosplayers were already posing near the entrance, and inside an MC was hyping the crowd from the stage. Looking around, there seemed to be both players the organizers had invited directly and individual participants; we were the latter.

Yuna had already finished her makeup and body adjustments before arriving. She left me hanging for a bit while she went to change in the back, and I waited endlessly. The moment my girlfriend vanished, the world around me dimmed and lost its color — a reminder that my eyes really did depend heavily on my condition — and my mood soured. Fortunately, she didn't leave me stranded long on a day like this.

"Making a swift entrance!"

"Galaxy bishoujo! Tau-burn!"

"Tada!"

Three Yunas appeared at once in completely different outfits.

…I didn't get most of Yuna's bits.

"Tsk, no reaction — boring~!"

"I'd have to know them to play along. More importantly, where did you even dig these up?"

"Brought the ones I usually enjoy~! Cash watches these too, you know?"

"Well? Cute, right?!"

"Cute my ass — they're slutty as hell."

Three Yunas.

Every single outfit was extreme…

The first one had horns on her head and dragon hands — a character with absurdly inflated breasts, wearing nothing but panties. A pervert's getup so bad I barely knew where to put my eyes.

The next had short silver hair and a leather jacket, which would've been fine — except, same as the first, no pants, panties fully on display, cowboy-style accessories running all the way down to her ankles.

The last was a blonde with porcelain-white skin in a pretty jade-colored bunny-girl outfit… and the fact that this was the least revealing of the three was ridiculous.

So… different game characters?

I recognized one of them. The rest I genuinely had no clue about.

"Who are you supposed to be?"

"I'm Mei○ragon T○hru!"

"○ of Fighters A○gel!"

"Bl○e Archive As○na!"

No idea.

One was a famous fighting game, so I got that. The others I truly didn't know.

"Aren't you cold standing outside like that?"

"""Freezing!"""

They were cold, then.

"Gyaoh!"

"Warm us up~!"

"Yeah~!"

As if consoling me for the brief stretch of being alone, all three pressed in close and shared their body heat. Their figures were tuned so precisely that the ass meat was packed tight — it looked incredible. We hadn't even gone inside yet and I was already getting restless with jealousy.

…I was going to get hard.

"We're gonna get so many pictures taken again this time~?!"

"Right!"

"Over there — look, people already seem to recognize us!"

That insane bitch Yuna whispered it like she was stoking me on purpose.

"What if we get sexually harassed again?"

"…………"

"There's always a few who sneak a little touch…"

"Yeah, yeah."

"We're fine with a little, but I wonder how darling feels about it~?"

"…What the hell are you trying to do to me tonight."

"Heheh — I'm doing this because I'm looking forward to exactly that~!"

A masochist bitch deliberately fanning my jealousy, making me restless, wanting to get tormented at night…

Just thinking about the egging-on she was going to do today made my toes curl with tension — but the whole point was to hold it in and detonate later.

"Hey. Yuna."

"What is it~?"

"Even so — from here to here… you know, right?"

I ran my hands over the chests and asses of the three Yunas standing side by side and made it clear.

"Even when you're playing around, don't forget you're my property."

"Hehe… Of course~?"

My relationship with Yuna was not a normal one.

"Well, we're darling's punching bags!"

"Your eternal stress-relief toys~☆"

"So make sure we know our place… okay? Torment us super hard after this is over today too~! Got it?! Kya-hahaha~!"

And with that as the final word, all three fastened collars hung with heart-shaped charms.

On the back of each charm, my three-syllable name was written plain as day — jingling proudly, as if boasting their owner's name for the whole world to hear.