Chapter 1 - Nino Nakano's Examination

Notes - All characters in this story are the age of 18 or above. This means that if a character happens to be under this age in the show canonically, in this story they are to be depicted as an adult version of them. I do not want to nor wish to condone sexual intercourse with minors. 


A/N - I have a Discord Server available on my profile where you can receive updates whenever I post my stories, ask questions or receive an update where you are in the commission queue. There is also a Patreon available where you can submit/vote on community polls, receive discounts and shortened waiting times. 



Tags - Netorare, Public Sex, Creampie, Non-con.
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Fuutarou was probably considered one of the luckiest men on earth, to say the least. He was not only married to one busty beauty, but to the entire Quintuplets siblings. Yotsuba was the first that he officially married, and then the rest followed, entering an open relationship with the others with the consent of his wife. 


With marriage comes other responsibilities, desires, and needs. Amongst them all, one was of great importance. That is, the necessity of bearing children, a question that was raised amongst the group of sisters that were incredibly in love with Fuutarou, vowing that one day, they could all hope to give birth to his child. Which bought them to where they were today, attending their scheduled appointment at the fertility clinic with the hopes of learning and finding ways to receive proper treatment that would help them reach their goals. 


The first task at hand was to receive a medical check up at the gynecologists, where in the vast room there was a bed with curtains covering anything from beyond the halfway point, protecting the private areas of the women to be visible from the other side. Admittedly, it sounded like quite the embarrassing process, as neither of the sisters have ever done something like this before. As a result, Fuutarou was asked to take a seat in one of the vacant chairs lined up against the room, on the opposing side of the blinds so that he wouldn’t be capable of seeing the check up occur, despite being their husband.


“Itsuki’s really nervous, huh?” said Yotsuba, happily smiling while she was patting her lap, waiting for her turn. 


“You’re right, isn’t she blushing really hard?..” commented Nino, who was sitting on the line of seats along with Fuutarou, and the rest of her sisters.


Of course, there was a great reason for the blushing. The gynecologist was a man, nothing completely out of the ordinary, even though these operations would typically be held by a woman, apparently none were available for the day. That in itself wasn’t entirely weird, considering that it wasn’t weird at all for them to be exposed to women during their job, but something else was happening behind those blinds that nobody could see, or hear. 


“Oh my, I can see now why that lucky man wants to have children with you, this is a very pink pussy.” commented the doctor, certainly something that a professional would never say to a client. 


Itsuki had no idea how to reply, and she couldn’t even see his face, pretending that she didn’t hear a single word that he spoke, choosing not to cause a fuss and ignore the completely out of pocket remarks. 


The blatant sexual harassment continued as their turns progressed, directly under Fuutarou’s nose. Itsuki wasn’t sure what had just happened, possibly believing that the comment wasn’t inherently perverted, and had something to do with his occupation, perhaps. At least, that’s what she hoped, thinking optimistically about the situation. 


Miku fell under the same boat, naturally a quiet and shy girl, it only made sense that she wouldn’t be able to speak up. When it was her turn to take off her pants and show the doctor her goods for the check up, she had the most trouble going through with it, far from an exhibitionist. The way that the man was gently caressing her thighs before utilizing his gadgets was troubling and uncomfortable to say the least, and Miku tried to hide the look on her face, swearing she could feel his hot breath closer to her private areas, wondering if he was a little too close for comfort. 


“You too!.. My, you sisters are something else… I guess Quintuplets have more than a few things in common..” he said.


Fuutarou was so exhausted that he swore he might fall asleep on the spot, wondering how much time had passed as his wives were being examined. All he had hoped for was that everything was alright and that they were healthy. Maybe that was why his level of perception was weakened today, having no clue of what was going on. When Miku returned to her seat, she was visibly shaken, as was Itsuki who said something about going to the bathroom to catch her breath. 


“Hey, a-are you really supposed to be touching there?...” questioned Ichika, who noticed that the man’s hands were a little bit too gropey for her liking. Amongst the others, she was probably the type to stick up for herself more, something that the doctor had noticed, and for the moment, eased on his assertive approach. 


He could sense the weakness from the other two, but Ichika was a lot stronger than that. With that in mind, he took a little bit of precaution in terms of his aggressiveness compared to the others, instead admiring the view and swiftly feeling the softness of her thighs with light pokes that wouldn’t be noticed. 


“Yes, yes. It’s normal for this process, don’t worry.” assured the doctor, noting how tight the sisters all looked. 


Ichika managed to pull through without making a fuss, less shaken and concerned than the others who were raising questions about the “treatment”. It was inevitable that their genitals would be out in clear view, but that way the man was acting wasn’t normal. 


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A few minutes later…


Yotsuba and the rest of the sisters who’ve already been examined were waiting outside of the room at the lobby, leaving behind just Fuutarou who was consumed by phone, ignorant to what had been occurring. Perhaps they needed to get away to talk or gossip about what occurred, failing to warn Nino who was the last appointment for the day.


“Oh my, this one’s really thick…” whispered the doctor under his own breath. After fantasizing and ogling the pretty pink vaginas that looked incredibly appetizing. He was helplessly horny, sporting an erection that caused a massive bulge to form on the front of his trousers. So much so that he instructed Nino to lay down the opposite side than the others, allowing him to stare at her plump butt. 


“Hey, do you think you could hurry it up already?.. I’ve been laying down for like a minute now and you haven’t started yet..” commented Nino, who was starting to feel a little bit suspicious now.


“Yes, yes, of course!...” he replied, unable to fight the urge to fondle her meaty backside, digging both of his hands into the softness and firmly squeezing the flesh within his palms and fingers. 


“U-Um?!.. Where the hell are you touching me?!...” gasped Nino, who was looking up in search of help, just now realizing that Fuutarou had exited the room, most likely for a bathroom break or something. 


Now that she was alone, the doctor received a prime opportunity to do exactly what he wanted this entire time. It was almost like instinct took over, his carnal desires bursting through as he frantically unzipped the front of his pants, allowing his hefty cock meat to whip out and finally freed. 


“Don’t worry about it…” he whispered, inhaling a deep breath before he continued to massage her asscheeks, causing Nino’s feet to kick a little as she was beginning to protest. 


Suddenly, without warning, Nino felt something hot and impossibly hard, not to mention a large press against the front of her entrance. It certainly didn’t feel like an object used for medical examination, that was for sure, considering it was none other than his girthy cockhead that literally spread her from the inside out, causing her wet folds to slowly expand and wrap around his length when he jabbed her with his cock, penetrating her cunt that was only used by Fuutarou himself.


“Uunnghh?!.. W-What the hell are you sticking inside of me?!..” shouted Nino, who flailed slightly but was pinned down when the man had taken a seat on the back of her legs. 


There was no reason for him to come up with excuses for his actions, panting heavily as he gripped securely onto her childbearing hips, grunting profusely as he started to wildly thrust against the cushion of her ass, feeding more and more of his intimidatingly enormous cock that was unlike anything Nino had ever felt before. 


It was difficult to even speak, feeling as if the air was just forcibly knocked out of her lungs, gasping for air with her eyes drifting upwards from the abrupt onslaught of her tight, sensitive cunt. It didn’t even feel good, at first, a burst of searing hot pain from the stretching of her hole, slight tears in her eyes as she let out a cry from the man’s incessant humping. 


“W-Wha?!.. Nnggh!~..” moaned Nino, breathing heavily as she clamped her hands over top her mouth, ashamed that she’d let out such a noise from a complete stranger raping her on the spot. 


After it was fully jammed inside, her body reactively squeezed around his shaft, gradually getting used to the absurd proportions that were incomparable to Fuutarou’s. It was like night and day in terms of sizes, his penis wasn’t impossibly small or anything, in fact it was normal, but for some reason the man that was fucking her without consent felt like he was as hung as a horse. 


The beautiful redhead was shaking uncontrollably when the entrance of her womb was kissed by his mushroom head, a sensation that had never once come across her imagination. His dick was so freakishly large, it felt like a pole was being thrusted in and out of her. Nino hated the thought of being touched, much less fucked by this random man. And yet, she could hardly move from how rough the sex was becoming, the bouncing and jiggling of her big butt making clapping noises from the contact, as he thoroughly dominated her into a drooling mess as her tongue hung out from her mouth. 


“Aahhn!~.. Aahhnn!~.. Nnghhooohh!~.. T-take your stupid fat dick out of me, moron!~..” she managed to scream, sitting herself up off the bed with her hands, keeping her head tilted down as she struggled to breathe from being pulled against his forward motions. 


It didn’t feel anything like what her perception of sex was this entire time, which was a romantic, bonding experience with the man she loved, Fuutarou. Nino was letting out noises that she’d never heard before, caused by a man she did not care about, with a cock that was driving her nearly insane. He kept slamming against her most sensitive spots, turning the hotheaded woman submissive from the overwhelming, sheer ecstatic pleasure that was being induced from his unruly cock.


Nino despised the fact that it was making her feel this good, repeatedly shaking her head in disbelief, closing her eyes and hoping it was all a nightmare. Repeatedly telling herself in her mind that the feeling surging throughout her entire being wasn’t pleasure, hoping that she was confused, trying to come up with a viable reason that her pussy was on fire. Sex wasn’t supposed to feel good with anyone but Fuutarou, that was always her personal belief. Nino wasn’t perverted, or naturally thinking about erotic things, but when it came to Fuutarou, she was something else.


And yet, here she was. Throwing her head back in bliss, letting out obscene cries of pleasure that should never be heard by anyone else but her husband. Nino was on the verge of an orgasm, having her back blown out and guts rearranged by a complete stranger. After a few more thrusts, she was definitely going to cum. 


“Oh my god.. Oh my god.. N-No!.. I can’t believe it!.. I’m going to-.. I’m really going to!-” 


Then suddenly, the door slid open, with Fuutarou listening to music with his earbuds plugged in, walking in like nothing happened and closing the door shut behind him. Nino was going to open her mouth to tell him what was going on, but instead of her voice, a slight moan escaped. 


“Hmm?..” said Fuutarou, who barely heard it, quizzically looking at one of his wives whose face was completely flushed. Clearly, something was amiss. 


Nino bit down on her bottom lip tightly, before resting herself flat on the mattress, and crossed her arms over her forehead and kept her mouth shut. Trying to steady her breath and maintain a composed appearance. The frantic thrusting had finally slowed down, shifting from a quickened, fast pace to more deep, and powerful thrusts. Nino’s body rocked slightly back and forth as tried her hardest not to attract attention.


“Nino.. You okay?..” asked Fuutarou, who was about to take a few steps closer. 


Her hand immediately darted out to put him to a halt, waving him off.


“I-I’m alright…” she managed to gasp, holding back her moans. Nino didn’t want to see him pathetic like this, fighting back an orgasm from being essentially assaulted with this doctor’s ridiculously, stupid fat cock. 


Fuutarou looked like he had some questions on his mind, but went back to doing whatever it was he was reading on his phone. Nino was a little irritated that he hadn’t noticed, but a part of her didn’t want to either. If this came to an end, then the unbelievable, mind blowing aching of her drenched vagina would never be resolved. Even if it was betrayal, even if made no sense, at this moment, Nino needed to cum. Pushing her pride and sensible thoughts aside, Nino conceded at this moment and gave in to the man, holding her breath and whimpering slight moans as the floodgates of pleasure broke through, and her vaginal fluids squirted violently onto the man’s crotch.


Panting heavily, with tears streaming down her face, Nino trembled and nearly yelped when the warm, thick fluids gushed inside of her, filling her with his nasty, hot semen that was a result of the nonstop thrusting that converted her from a strong willed, powerful woman to a mewling whore. 


“I-I’m sorry, Fuutarou!~.. I don’t know what came over me…” internally apologized Nino, who was shaking at the notion of having just been creampied by another man, directly in front of Fuutarou who was none the wiser. 


The doctor let out a relieved sigh and pulled up his pants, grabbing a nearby tissue to clean himself off, but choosing to leave Nino’s insides a mess, slipping up her panties and tight jeans that hugged her ass, leaving behind quite the damp area between her legs as he played things off cool, pretending as if nothing had ever happened.


“Alright, you’re all set Nino.. Thanks for that.. Your name was Fuutarou, correct?..”


“Huh?.. Yeah, it is.”


“I see.. Well, Nino has a very healthy vagina.. I’m pretty sure that it would have no problem bearing children.. I can tell you that for sure..” said the doctor with a smile on his face, the weird way he was wording things alarmed Fuutarou slightly, who awkwardly nodded his head. 


Nino was sweating slightly, and the doctor that came out of the curtains was the same. Fuutarou swore that something smelled a little off in the room, and he wasn’t sure what to make of it.


“L-Let’s go, Fuutarou…” muttered Nino, who slipped past the curtains and stood awkwardly, a slight limp to her step as she grabbed onto Fuutarou’s arm for support, wishing to hurry out of the room.


“Are you sure you’re okay?..” he asked.


“Y-Yes, nothing happened…” lied Nino, fearing looking back at the man that ravaged her into an orgasm. 


If she were in the room any longer, Nino might’ve succumbed to doing something that she swore she didn’t want to once more. Despite the fact that she chose to keep quiet about it, secretly hoping that there would be another chance to feel that dick again. 













