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Summary:

The Matsuno boys enjoy some good frottage with their male reader boyfriend.

Notes:

When Osomatsu invited you over for a few beers and to chat, you never expected you'd end up in the situation you found yourself in. 

(See the end of the work for more notes.)

Chapter 1: Osomatsu

Chapter Text

You knocked on the door, announcing your arrival to the eldest brother of the sextuplets you'd come to know quite closely as of recent. You had recently moved into town, and these six boys happened to be the first ones you'd come into contact with by some bizzare chance. You like to believe that it means something unexpected and good will happen to you, mostly due to the... 'Unorthodox' nature of them. There was Osomatsu, the eldest, the one who asked you over. He seemed to take the most liking to you for some reason, not that you particularly minded. He could be a bit of an ass but, of course, most of the brothers were like that anyways. 

You never cared too much about what they did on their own time, as long as they were nice to you. So, when Osomatsu called you in the middle of your shift and asked if you could hang out after work, you were happy to oblige. You even agreed to provide the beer, although it was a bit scummy for someone to invite you over to drink and not provide the drinks in question. Nonetheless, you stood at the door, awaiting the arrival of the eldest. 

"Comin'!" A call came from the upstairs area of the house. The house itself was oddly quiet, so you reasoned that the others must not be at home. 

"No problem, take your time!" You called back, smiling to yourself as if he could see. You'd found yourself smiling more around him. You weren't quite sure what that meant, but maybe you just found Osomatsu as good company. Nothing wrong with two guys being super close and hanging out a lot. Totally. Definitely.

The thought was purged from your mind as the sliding door clattered and slide open. Osomatsu stood there in his distinctive red hoodie he always wore, grinning.

"Welcome, come on in. Hope you brought the beer?" He asked, winking at you and wagging a finger in front of you. You smiled back, cheekily holding up the two cases you brought. He pumped his fist into the air, before moving out of the way for you to enter.

 

You were at least familiar with the house by now, thankfully. As you removed your shoes and left them at the entrance, you allowed Osomatsu to open the living room door for you, where there were other various refreshments left for you and him. The room looked recently cleaned too, which surprised you. The sextuplets, as goofy as they were, seldom had the concept of cleanliness. After all, they WERE neets. 

"All this clean space for me?" You asked, chuckling a bit as you set the beers down. Osomatsu shrugged, wiping the underside of his nose with his signiture grin.

"What can I say? Wanted to make it nice for you. After all, you just got off of work, yeah? Time to kick back and relax!" He said, speaking about relaxing after work as if he'd worked for 46 years straight with no breaks. You, of course, knew that was not the case. 

"Yeah, sure thing. Whatever you say, Osomatsu." You had gotten past calling him Osomatsu-san, he specifically had to tell you not to call him that anymore after a few hangouts. He said it made him feel older than he really was. You supposed you understood, as you were no spring chicken yourself. He sat down at one end of the table, gesturing for you to sit down after him. You did so, and placed your hands in your lap. You reached for the beer you bought, grabbing one for him and cracking it for him, handing it over. 

He nodded and smiled more genuinely. 

"Thanks, buddy!" He beamed. You nodded and smiled back, grabbing your own beer and cracking it open. You raised your can up to his and clinked it against his.

"To relaxing after work, eh, Osomatsu?" You said, with a shit-eating grin plastered on your mug. He laughed at this, the corners of his eyes crinkling a bit.

"Indeed! Bottoms up!" He said, before tipping his can up and gulping a large amount down, before setting the can on the ground with a large sigh. "Ahh! So refreshing..." You smiled and did the same, gulping down a large bit and setting it down with a similar sigh.


As you navigated through conversation with Osomatsu, you two were finishing off those beers faster than you thought you would. You were beginning to feel a bit tipsy, but nothing you haven't handled before. It made the conversation lighter and 10x funnier for the both of you. 

As you two reached for the same one, you locked eyes and chuckled, looking away from him to grab a different one.

"That was pretty romantic, (Y/N). Do it again.~" He teased, giggling to himself as he fluttered his eyelashes at you. You rolled your eyes, cracking open the beer you'd grabbed.

"Oh shut up, you dirty bastard." You said, sticking out your tongue at him before chugging the beer in your hand. 

"Hey! I'm the dirty bastard here? Yeah, right! You should see what Fappymatsu gets up to on a daily basis, Choro is truly depraved. Actually, they all are." He declared. You just looked at him cheekily.

"And... Never you, yeah? You're the perfect angel here, is that true?" You asked, giggling to yourself. He looked at you and pointed his thumb at himself.

"I am a perfect angel." He said, his words slurring a bit. You pinched the bridge of your nose, too amused to respond to that properly for a moment.

"You're a perfect idiot." You said, returning your hand to your lap and continuing to drink.

"You think I'm perfect?" He gasped, putting a hand to his mouth with his eyes mockingly wide. You weren't sure if it was the alcohol making your face flush or something else... But you didn't really want to think about that at the moment. You just chuckled, swallowing whatever feeling that was, waving your hand at him.

"Sh-Shut up man, don't talk like that." You said, propping your head up on your hand with your elbow on the table. He laughed, before trailing off. Like he was deep in thought about something. You looked at him. Really looked at him. He looked like all the rest of the brothers, but he just had a certain air about him. Stupidly confident, no matter what he did or where he was. Stubborn, hard-headed, yes. Creepy on occasion? Oh yes. But... He chose to be with you of all people. Something about that fact... Made you feel a bit happy on the inside. 

He suddenly got up, and wobbled over to the kitchen area. He spent a bit in there, before coming out with a bottle and some shot glasses. 

"Forgot we have sake. Want some?" He asked, smiling, his face flushed from the alcohol already swimming in his system. You thought about the fact that you don't have work tomorrow, and the sake in his hands, beginning to drip from condensation, seemed more and more appealing. 

"Hell yes. Crack it open, my man." You said, pushing aside your empty cans.


You were both about 3 shots in, and feeling dizzy-headed. The room spun and made you both giggle at nothing.

"C-C'mon, we can finish- Finish the bottle, yeah?" He asked, pouring up another round. Spilling a little. You chuckled, and animatedly pointed to the spill.

"D-Dumbass you- Hic!- S-Spill it... Hehe.." You grabbed for the shot he poured for you and began sipping it. He sighed, making a big show of using his sleeve to clean the spill. 

"Here! Happy?" He said, taking his glass out of the way so it didn't get knocked over. You nodded, leaning your head on the table and placing your arm over it as well. Osomatsu, focused on the spill, didn't notice and brushed his arm over yours. Startled by the warm mass of your arm suddenly being there, he grabbed onto it, eyes wide. He looked over to who it belonged to, and saw it was you. He had a goofy grin spread across his face. "Hehe... Heyyy." He slurred, like he was using his best pickup line on a broad at a bar. And you completely fell for it, of course.

"Heyyyy."

"So like heyyy. You gotta girlfriend or anythin'? You seem kinda- hic- lonely..." He said, looking at you. He was still holding your arm. With all of the wits you could gather, you confidently answered.

"Osomatsu... Are you hitting on me?" You said, grinning. He shook his head, but his smile never wavered.

"Nooo, noooo... Hehe. Unless..." He said, biting his lip at you. You rolled your eyes, and scooted closer to him.

"Nope. No girl.. or boy." You said. You weren't sure why you brought up the other part. Why did you want him to know that you were available and interested in boys too? He seemed to perk up a bit at hearing that.

"Heh. Gay." He said. You looked at him and frowned. He seemed to notice and backtracked immediately, raising a hand in the air. "Hey! N-Nothin' - hic- Wrong with that! I don't care myself, y-y'know? Girl, guy, whatever." 

 

You looked at him again, and for a moment you felt sober again. You crept closer to him, scooting yourself around the table to sit next to him.

"Yeah...?" You reached your hand over to grab at his arm too, looking into his eyes. He seemed to be transfixed on you. You seemed to be in the same boat for him. The two of you were leaning in close. Too close.

"..Yeah." He answered, his tone low. It sent a shock through your stomach, and as much as you hated it, it made your dick twitch a bit. 

You were just friends, right? Just really close friends... Really, really close...

Before you knew it, the two of you had locked lips, your eyes fluttering shut as the butterflies kicked on in your stomach. You leaned your head into him, reaching a hand up to the side of his head. It was sloppy, filled with spit, but definitely full of passion. Once you pulled away, you looked at him for exactly 2 seconds before deciding you needed more. He seemed that way too, because he had no problem leaning back in to you. And onto you.

He pushed you onto the ground, straddling on top of you as he pressed his hungry lips into yours. You couldn't help but put your arms around him as you felt your cock rising to attention as he pressed his body against you. You whimpered into him, the amount of passion, stolen breaths, and drunkeness making the room seem like it was spinning even more. He pulled slightly away from you, just to gaze down at your form on the ground.

"O-Oso.." You breathed, grinning. He looked like he could've cum right then and there just from seeing you like this. 

"(Y/N)... C-Can I.. I-Is this really okay..?" He asked, suddenly more considerate than he'd ever been to anyone. You thought it was a silly question; Why, he had you in his clutches. You were practically dripping for him, and here he was asking if you were okay with this. You'd never nodded so fast in your life. You reached your hands underneath his hoodie and the t-shirt he wore underneath, gently raking your fingernails down his back. You felt him shiver, and a new expression crossed his face. He looked so serious.

He sat up, practically ripping his hoodie and shirt off, wasting no time to untie his lounging pants and stumbling over himself to try and get them off. You laid there, attempting to rid yourself of your clothing too. He was down to his underwear, and got up for a moment to slide them off, leaving you on the ground, half dressed and staring up at his twitching cock. 

It was nothing impressive, of course. You'd certainly seen bigger, but he wasn't disappointing by any means. You smiled, anticipating the feeling of it inside of you. However, it seemed Osomatsu had a different idea. He got back down on top of you, helping you out of your remaining clothes, leaving you naked on his floor.

He laid across you, stomach to stomach, and pressed his cock against yours. It laid against your stomach, rubbing against it. Osomatsu held both his and yours in place and started moving up and down. You whimpered and bit your lip, looking down at the situation you were in. You felt how hard he was, its heaviness laying against your own rock hard cock. You moaned, the sight enough to send butterflies through you again.

"O-Osomatsu..." You whined, looking up at the ceiling, your arms laying above your head. He was breathing heavily, still moving his hips as he kept his hand on both of your cocks.

"(Y-Y/N)... D-Damn..." He returned, squeezing his eyes shut. This was the best thing he'd ever felt. After all, he was a complete virgin. You knew this, and never really judged him for it. It was hard to find someone committed nowadays. Not that any of that mattered at the moment. He couldn't help the whimpers that escaped him. He almost sounded cute... "A-Ahh- J-Jeez... (Y/N).."

He picked up the pace, stroking the two of you with the hand he kept over your cocks. It felt fantastic to have another man's hand on your dripping cock, which is something you might not have thought of if you were more sober. His breathing became harsher, his sounds lighter and more shaky. You reached up to him, placing your hands on his back, lightly dragging your nails over his upper back as he moved. You still felt your head spinning, the pleasure you felt was intense.

"Fuh- F-Faster..." You asked, gripping onto his shoulders. He was happy to oblige, moving faster. Your cocks rubbed faster as you already felt yourself getting close. The most sensitive parts of your cocks were making friction, and Osomatsu was breathing quicker. He was obviously way closer than you were. You smiled and reached your hands down, wrapping them both around your cocks and beginning to stroke, fast. Osomatsu nearly went limp, his eyelids drooped as he whined.

"O-Oh. Oh god... (Y/N)... J-Just like- L-Like that.. F-Fuck... I-I'm going to... I-I'm.." He could hardly get the words out. You were right there with him. With the final pumps, you both came all over each other's stomachs, whimpering and groaning. He growled out your name. You threw your head back as you felt yourself release, and Osomatsu let his body fall flat onto you. The two of you heaved shaky breaths as you came down from your high. 


After laying there for a while, the two of you got motivated enough to get up, your collective cum shared between the two of you becoming an increasing problem. He went to the kitchen to grab napkins for the both of you to clean yourselves. You put your clothes back on, and Osomatsu did as well.

"S-So... Like, I guess you're probably.. Hehe... T-Too drunk to walk home by yourself..? Why don't you like.. Stay the night..?" Osomatsu slurred out, gazing at you. You nodded, with a smile.

"Sounds good to me, Oso..."

Chapter 2: Karamatsu

Summary:

Karamatsu asks out the lovely reader on a date, and things bloom from there...

Notes:

Karamatsu is a freak and you cannot convince me otherwise.

(See the end of the chapter for more notes.)

Chapter Text

Your sexuality had never been a source of discomfort for you, aside from the offhand comment from those less informed that found it 'gross'. Their opinions of you never mattered, and you never let it get to you. What had gotten to you recently was a man; Not just any man, but a man from a group of sextuplets. Your meeting with the group of men was odd, to say the least. You stuck around, mostly because you enjoyed watching the chaos that unfolded between everyone involved with them. There was Osomatsu, the oldest, Choromatsu, Ichimatsu, Jyushimatsu, and Todomatsu, the youngest. But the second oldest, Karamatsu, threw you off the most.

To put it plainly, he could be a bit painful to watch and listen to. Even his own brothers sometimes pretended he didn't exist, but you honestly felt a bit bad for him for that. He genuinely didn't seem to think that his behavior was strange or odd, and really didn't understand why people acted the way they did around him. Nevertheless, he seemed to fight for your attention when you hung out with the group of men, showing up wearing odd flashy clothes and sporting new 'experimental' sunglasses that he claimed were meant to 'block out all the hate in the world'. It, of course, always made you cringe. 

During one outing with the group, you were grabbing a drink with them at their favorite drinking spot, and the topic of relationships came up. Everyone had a very colored opinion; After all, they were all unemployeed virgins that had become jaded to the concept. Karamatsu claimed that his 'Karamatsu girls' were waiting just over the horizon, and you were decently tipsy by this point so you chuckled and put your mug down.

"What about all the 'Karamatsu boys' that I'm sure are out there somewhere?" You asked, chuckling. Osomatsu lightly jabbed you, laughing.

"D-Don't encourage him, (Y/N), you'll make his condition worse! Haha!" He said. He protested, sitting up straighter and raising his voice.

"Ey! What do you mean by that??" He said, growling. Everyone burst into laughter. He looked around, and sat back in his seat, crossing his legs and arms and smirking. He pushed his sunglasses up, and scoffed.

"If there are Karamastu boys, they are welcome to fall directly into my open arms..." He said, completely seriously. Huh... Guess he's bisexual, then.

"Sooo. You swing both ways, then?" You asked, smirking at him. He suddenly got nervous, and looked around at the table, before looking away.

"I suppose." He muttered out.

"Well, no shame in that. I've always played for both teams myself." 

Karamatsu did a double take, searching your face for a moment, before sinking back into his persona.

You noticed his reaction, filed that information away for later, and changed the subject. Karamastu seemed thankful; After all, discussing one's sexuality in front of all five of your brothers must be a little strange. The night ended rather unremarkably, and you departed from the group and returned to your apartment.


Around 12 AM that night, you were just about to plug in your phone to let it charge for the next day when you received a text from one of the Matsus. You saw that it was Karamatsu, and you opened it.

It read: "Dearest (Y/N), I would like to inquire about a comment you made earlier. When you said you 'played for both teams', were you insinuating your sexuality? Please answer as soon as possible and within your earliest convienence. Thank you, Karamatsu <3."

You didn't know whether to cringe at the way he wrote, be shocked that he was asking about your sexuality, or to address that odd feeling you got from the heart he signed his message with. Nevertheless, you texted back, not thinking much about it.

"Yeah, I'm bisexual. I like women and men. Hope this helps, (Y/N)." With that text, you turned your phone off, plugged it in, and climbed into bed, closing your eyes and forgetting all about the day. 

 

The next day, you awoke earlier than you usually would to the sound of someone knocking at your door. Trudging out of bed, you rubbed your tired eyes and yawned. You scratched an itch from your side as you made it to the door. Opening it, the bright sunlight hurt your eyes for a moment, before your eyes were able to lock onto...

It was Karamatsu. Wearing the ugliest studded leather jacket you'd ever seen, that seemed to swallow him with how immense it was. He held a bouquet of red roses, a letter lovingly tucked in between two of the stems. It was sealed with a wax seal in the shape of a heart, colored pink. Everything about this was way too much for you to process at the moment. You blinked once, twice, three times...

"...Karamatsu?" You finally managed to get out. Your voice was still groggy with sleep. He chuckled, pushing up his sunglasses, extending the bouquet to you.

"I want to make you one of my Karamatsu boys..." He said, in that tone he uses when he gets all performative and theatrical. It made you cringe, and you almost wanted to say no. But... When was the last time someone came to you with a declaration of love, with a passionately crafted letter and a bouquet of red roses? Karamatsu could be painful, yes... But you didn't mind his company when he let the facade drop.

"...So what exactly does being a 'Karamatsu boy' entail?" You asked with a cheeky grin. He stumbled back, seemed he didn't expect anything more than an emphatic 'no'. Regaining his composure, he put the bouquet in your hands.

"You will accompany me throughout life, through thick and thin, stay by my side, no matter what..." He declared. This all seemed like a lot all of a sudden.

"Whoa. That's... Pretty heavy. How about we just start with a.. Date? Take me out to dinner maybe? Then... Who knows? See how things go from there." You asked, clearing your throat. He nodded, smililng.

"I will pick you up at 7 PM, my dearest..." He said, kneeling down and taking your hand, kissing it. You rolled your eyes, and smiled.

"Alright, loverboy. 7 it is."


Dinner was going swimmingly enough, Karamatsu was considerate and sweet, making sure that you had everything you needed. He ordered some wine for the two of you to share. You were unsure of how he would pay for that, but you assumed he would be able to somehow. 

"Enjoying your evening, Karamatsu boy?" He said, tipping his glass forward to gesture toward you. You rolled your eyes, a bit tipsy by now from the wine.

"Yeah, I am, thanks." You couldn't help but grin at him. He let his facade drop for a moment, tipping his sunglasses down to look at you in the eyes.

"I'm really glad to hear that..." He said, his tone low. Something about the way his voice sounded made your stomach do a strange flip, but perhaps it was just the wine. You smiled through it, leaning your arm on the table and propping your head up.

"Sooo, what's up with the sudden love confession?" You asked, looking at him curiously. He blushed and looked away, before trying to resume his persona. 

"I guess you could say I've... Had my eye on you for quite some time. Just needed conformation that you were... Available." He explained, smiling. Honestly, you were flattered.

"Well, I have to say... I'm certainly honored. I never imagined I'd be wined and dined by the great Karamatsu." You said, knowing you were feeding his ego. He blushed heavily, chuckling a bit nervously. Until all that bravado was a nervous guy that never thought he'd get this far.

"W-Well, of course! You are worthy of it, after all! You deserve my company. Much more than that, I.. Think you deserve a lot more. I want to give you more." He stated, looking directly into your eyes. You felt your face heating up.

"My goodness, Karamatsu... You sure are forward, huh?" You said, breathlessly. He chuckled, shrugging.

"I suppose I just know what I want." He leaned in a bit, smiling. "And that's you." He said, lowly, so no one else around could hear. You blushed, and felt your stomach flip hearing his voice reach such a low growl.

"...You know what I want?" You asked, a sly grin on your face. You were still pretty tipsy. Maybe not in your right mind for what you were about to do.

"Anything for you, mon amour..." He said, leaning forward fully now.

 

You lifted your foot underneath the table, the tablecloth draping low enough to conceal what you were doing. You took your shoe off, and placed your foot on Karamatsu's crotch. He stopped moving, talking, and it almost looked like he stopped breathing for a moment. His whole face went red.

"I-I-I- Uh- I-I uh-" He continued to stutter and stumble over his words. You maintained your grin, staring at Karamatsu's 'cherry' red face. Pun intended, of course.

"Hehe... You seem distracted, Karamatsu? Is there... A problem..?" You asked, voice low. He looked like he could burst right then and there. 

"(Y-Y/N)... I-I..." He seemed conflicted, like he was considering every option carefully.

"What's the matter? Hm?" You asked, giggling. He suddenly slammed his hands on the table, standing up swiftly and calling the waiter over.

 

"We'll be taking the bill now." Karamatsu proclaimed, keeping his eyes lasered in on you.


Of course, Karamatsu did NOT have the money for such a lavish date, and you ended up having to foot half of the bill. The walk home was terribly awkward, as he kept violently apologizing and offering things as condolences. 

"I will rub your back! Your feet! I'll take out your trash for a month! I will-" It continued until you put your hand over his mouth. You smiled.

"I don't want any of that."

He fell to his knees in front of you, falling on his face at your feet and begging. "PLEASE (Y/N)!! I will be your (Y/N) boy!! I will make up for my grevious error!!" This was getting to be FAR too much...

You knelt down and picked his head up from his chin. He looked at you, utterly defeated. "...Just take me home and ravage me, and I'll call this night a success."

He stared at you with a blank expression for what felt like an hour. Then, his whole face turned completely red. You could've sworn you saw steam on his sunglasses. You smirked when he stood up, taking your hand and walking faster than you've EVER seen a man walk.


Karamatsu wasted no time practically climbing all over you, holding you up against the wall while he kissed down your neck and around your ears, making your stomach flutter. 

"A-Ahhh- K-Karamatsu..." You breathed out, holding onto him as he pushed his body on you.

"Shh... Quiet, Karamastu boy... You're mine tonight..." He growled. You smirked and rolled your eyes again, placing your arms over his shoulders.

"Oh yeah? Then take me." You proclaimed. He looked surprised, like he honestly hadn't expected to make it this far. His face was hot and red, his usually straight hair a mess, and his cock obviously bulging through his tight pants. He seemed to lose that bravado. So you figured, you'd have to take the lead. Turning him to be against the wall instead, you dropped down to your knees and began unbuckling his belt. The buckle itself was appropriately garish, as was the rest of his fashion sense. You threw the belt aside and began unbuttoning the pants.

Meanwhile, he was already practically whimpering, just watching you do this. His cock was so hard and pressing right up against his tight pants. It had to be painful, so you wasted no time removing his pants and underwear (of which, had his face printed on them. Cringe). Still knelt down, you press your face up against his hips, reaching your hand up to lightly drag your fingers over his length. He shivered and moaned lowly as you teased him, his hands gripping the wall for dear life. 

"(Y-Y/N)..." He whimpered, that confident act of his now fully dissolved. You finally applied some real pressure to his cock, taking it in your hand and giving it a few experimental strokes. He bit his lip, and looked like he was practically about to nut right then and there. You continued to stroke him, listening intently to the delicious sounds he was making, every gasp and whine sending a jolt straight to your dick. You palmed yourself through your pants, wanting a relief from the pressure you felt yourself. 

Then, Karamatsu's hand found a place on the back of your head. He was gazing down at you with glassy eyes, pushing your head closer to his cock. Seems he wanted something a little more. You were, of course, happy to oblige the virgin. His first blowjob.

You moved underneath him and licked a stripe all the way from the base of his shaft, right up to the very tip. There was already liquid brimming there, so you hungrily lapped it up. He keened, breathing heavily as you watched from under him as his chest heaved. His sunglasses were askew, nearly falling off of him. You finally let his whole length slip into your mouth.

"A-AH! (Y/N)!!" He whimpered, still holding onto the back of your head. Bobbing your head, you felt drool dripping down your chin as you worked his cock with your tongue. At his most sensitive, when he seemed like he was about to burst, you popped it back out and took your time catching your breath. He whined at the denied release, bucking his hips uselessly toward your mouth. You just chuckled, wiping your mouth with your sleeve, and standing up to stretch your sore legs. 

You began removing your own pants, your cock now painfully poking against your clothes. Dropping your pants and underwear to the ground, you gently reached your hands up and placed them on Karamatsu's forearms, pushing him onto the wall further. You looked him in the eyes, and pressed your cock against him. He gasped at the sudden heat from your shaft pressing onto him. You reached down and took his cock, using your thumb to hold yours against his. 

"Oohh... That's.. new..." He breathed out. You smiled and thrusted your hips up. He whimpered, his whole body tensing up. After a few experimental thrusts, he eventually joined in, moving his hips in time with yours. You let out a shuddering moan as you stroked both of your cocks, moving your hips faster. He tried to match your pace, but he was obviously overwhelmed by the feeling of it. His eyes were rolling back into his head, as he placed a hand over his mouth to muffle himself.

You reached up and removed his hand. "Don't be shy..." You crooned, moving close to his ear and breathing heavily on his neck. He looked like he was about to explode right then and there. You were feeling pretty nice too, and decided Karamatsu had earned his release well enough. Moving faster, you moved your hand independently of your hips, stroking both him and yourself faster and faster. He sucked in air sharply, arching his back and moving his head back against the wall. 

"Ahh.. Ahh.. AHhhh.. (Y-Y-Y/N).. Oh- Oh my (Y/N)!! Yes!!" He moaned, getting more frantic as you both continued moving. His movements were getting sloppy, his legs wobbling. You felt your release coming too, and you moaned loudly.

"K-Kara- Karaaaamatsuuuu..." You moaned out, as you gave a few final thrusts against him, pushing on him harder. He grabbed onto you and squeezed as he finished, letting his mouth hang open as moans and praises spilled out of his lips.

"O-Oh! Oh!! Ohhh- (Y-Y/NNNN)!! S-So good- Ohh.. Such a good... G-Good boy... Oh..." He moaned, his whole body relaxing as he shot his load onto you. You came on him as well, the both of you getting your clothes all dirty. He gazed at you, smiling. You smiled back, and leaned in for a nice, gentle kiss. He jumped, surprised, but quickly melted into you. "Mmm..." He hummed.


After sharing a nice hot shower, where he washed your hair for you, and lending him some of your clothes for the night, he made sure to make your bed for you and light candles. He allowed you into the bed first and even tucked you in before he ever dared to climb in himself. For a man who's never done anything sexual in his life, he sure understood the concept of aftercare. He pulled you close and sighed, contentedly.

"I'm glad you decided to be a Karamatsu boy..." He said, softly. His voice rumbled through you as you laid in his arms.

"...Me too." You said, snuggling up into his embrace. There, the two of you drifted off to sleep, content.

Notes:

SO SORRY THIS CHAPTER TOOK SO LONG!!

College and life have been KICKING my ass but I finally got this one out!!!

Notes:

I genuinely can't think of a better title at the moment. I saw that season 4 of Osomatsu-san released, and got way too into it. So here's my obligitory 'I MUST WRITE ABOUT THEM NOW' fic, lol.

Anyway, each chapter is a separate fic so no need to worry about any of the boys coming into contact with each other sexually, it doesn't happen that way. I've been dying for some good frottage content so I decided hey! Why not make it myself lol.