From- My Kiribaku Oneshot book
Date-12-4-21
They are out of UA and married now❤
Alternate title- Stamina (SMUTT)
⚠️Overstimulation, cussing, crying (but happy crying), SMUTT, handjob, riding, anal sex, vibrator sex, vibrator teasing, butt plug, praise kink, dirty talking kink, biting kink, slight pain kink, begging, begging kink, I think that's all please tell me if I'm wrong though⚠️ (this oneshot is LONG AF)
*Top- Kirishima
*Bottom- Bakugou
✨Yes I am using their formal names even though they are both now Kirishima in this au✨
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It had seemed like forever since Red Riot and Great Explosion Murder God Dynamight -(long ass name)- has seen each other for longer then a few seconds a day thanks to their jobs as heros.

Tonight was their first night of having a full night alone together in what felt like years but was probably only about a month.

"Hey baby~ what do you want to do now that we have all night to do whatever and not be worried about getting called in for the job?" Kirishima asked sweetly as he pulled Bakugou I a hug, the latter wrapping his arms back around Kiri.

"Let's fuck, I haven't had a good fuck in so long. Please can we fuck?" Bakugou stated before asking while giving Kirishima pleading eyes.

"I'm down for whatever baby, what how far do you want to go?" Kirishima asked as he moved Bakugou so he was strattling him.

"All the way. Let's go all night too." Bakugou said as he began to roll his hips forward some, trying to create friction between the two.

"All night? Are you sure about that? Do you think you could handle all of that?" Kirishima asked before leaning down and kissing at Bakugou's neck and jaw.

"Yes I'm sure shitty ha-" Bakugou cut himself off with a moan Kirishima found one of his weak spots.

Kirishima smirked against the skin before sucking at it, and then gently biting it getting a louder moan from the horny blond.

Kirishima pulled away from the spot for a second before licking up the little bit of blood. He then kissed the spot as a small appoligy before moving up and kissing Bakugou's lips.

The kiss was quickly returned and deepened, it was filled with nothing but love and lust.

Kirishima flipped them both over so Bakugou was laying underneath him and he was imbetween the blond's legs.

He pulled out of the kiss and quickly discarded of both of their clothes seeing as they were getting in their way.

"Do you want to start out more aggressive or slow?" Kirishima asked once he looked back down at Bakugou.

"Be gentle but start with the more aggressive stuff so once I'm overstimulated I won't be in a ton of pain." Bakugou answered getting a nod back from his lover.

"Do you want me to wear a condom?" Kirishima asked as he reached over to their bedside table and pulled out lube and a condom even though he already knew the answer. Bakugou had a thing for being filled up by his cum, it was kind of weird but he wasn't about to deny him of something so simple.

"No, don't worry about it. We will really need to shower though." Bakugou replied getting a nod from the redhead.

"I'm going to prep you now okay?" Kirishima said while lubeing up his fingers.

"Okay just hurry up." Bakugou said getting visibly impatient.

He was always one that was super needy for more and more and more when it came to sex and was always super impatient as well. He wanted everything done quick as possible so he could feel the most pleasure.

"Of course love." Kirishima said as he put his middle finger into Bakugou's twitching hole.

The boy squirmed at the feeling. It had been so long since they fucked that this felt like the first time all over again.

"F-fuck" Bakugou stuttered out when Kirishima added another finger.

Kiri smiled and kissed Bakugou as he scissored his fingers that were knuckle deep inside of his lover.

Bakugou moaned into the kiss as the pain began to slowly go away and be replaced with pleasure.

Kirishima smirked internally when he heard Bakugou moan and decided to add the last finger inside of his tight hole.

"Ah shit!" Bakugou whimpered out from the sudden pain.

"I know baby, relax as much as you can okay? Your doing so well." Kirishima praised having the older boy nod and relax as much as he could.

Kirishima slowly began to move the fingers in and out while distracting Bakugou with his other hand and mouth playing with his sensitive nipples.

"Aah~" Bakugou moaned when Kirishima began to scissor all three of his fingers, sucking on one of his nipples as his other hand played with the other.

"Do you think your stretched enough for me now baby?" Kirishima asked instantly getting a nod from the needy boy.

Kirishima let out a chuckle when he saw Bakugou's eagerness as he pulled his fingers out of him earning a whine at the loss of touch.

"Give me a second to lube up unless you want me to dry fuck you." Kirishima laughed as he began to lube up his hard dick before lining up to Bakugou's entrance.

"Hurry up~" Bakugou whined showing off his wanna-be power bottom side.

"You said be gentle so I'm being gentle." Kirishima said back calmly as he began to press into his lover.

"F-fuck, your so tight baby." Kirishima groaned out, loving the tight feeling around his cock.

"God your so big." Bakugou said back once Kirishima was fully inside of him, stilled so he could adjust.

"And you're taking me so well baby, your doing great." Kirishima praised as he peppered kisses all over Bakugou's face, kissing everywhere but his lips.

"Give me a real kiss dammit!" Bakugou said as he grabbed the back of Kirishima's head and pulled him into a real kiss.

Kirishima laughed into the kiss before pulling away.

"Can I move now?" He asked seeing as it had been afew minutes now.

Bakugou nodded so Kirishima began to slowly move in and out making sure Bakugou would feel ever inch of him.

He slowly gained speed and after a while was having to restrain himself from going too hard and possibly hurting Bakugou.

"Fuck Eijiro~!" Bakugou moaned out "More! Harder, faster!"

That's all it took for Kirishima to snapp, his thrusts became faster, deeper and harder then before.

He began to move at different angles to see if he could find Bakugou's prostate.

"AaH~ Fuck! There! Please, please, please, Eijiro don't stop! More, more, more, fuck!" Bakugou begged and rambled on, pleading for Kirishima to not stop and give him more pleasure as he hit the bundle of nerves he was been looking for.

Kirishima had a thing for begging. It was a major turn on for him so he complied and continued to ram into his lover's prostate over and over again.

"I'm close!" Bakugou moaned out but Kirishima didn't slow down any, if anything he sped up.

Bakugou's legs began to shake and his vision went a blurry white as the coil knot in his stomach let go, his cum shooting from his cock and falling onto his chest, a loud moan of Kirishima's name coming from his lips.

Kirishima slowed down some but not much making Bakugou whine at the pain and pleasure of overstimulation.

"I know, I'm close baby, just a few more." Kirishima reasured, internally wondering how Bakugou was going to last through all night when it was just now ten.

After a few more thrusts Kirishima barried himself deep into Bakugou as he came with a low moan, filling Bakugou up to the brim.

"Aah~" Bakugou moaned at the feeling of being filled with his lovers sead.

Kirishima gave a few more slower, calmer thrusts before pulling out getting another whine from Bakugou.

"Are you sure you want to keep going?" Kirishima asked getting a quick nod from Bakugou.

"Okay then what next?" Kirishima asked before he began to lick up Bakugou's cum off of the boy's chest.

"V-vibrators?" Bakugou asked as he glanced over at the closet where they kept all of their sex toys.

"Whatever you want baby." Kirishima replied before finishing cleaning Bakugou off with his tongue.

He got up and went over to the closet where he pulled out a rather large box full of sex toys, extra lube, extra condoms, and other things.

"Which vibrators do you want to use baby?" Kirishima asked seeing as they had five different ones.

"High level ones." Was Bakugou's only answer getting a nod from the boy.

He picked out a baby blue, seven inch vibrating dildo and then a hot pink, five inch vibrator before putting the box back.

He then moved back over to the bed, lubing up the dildo one before pressing it into Bakugou.

"And your posotive you are okay with this overstimulation?" Kirishima asked as he put the vibrator at the base of Bakugou's cock, not turning on either one of them yet.

"Yes I'm sure, please for once stop being such a gentleman and just fuck me." Bakugou pleaded as he arched his back, trying to fuck himself on the dildo.

"Okay, okay." Kirishima laughed before turning both vibrators on.

He turned the one in Bakugou's ass up to seven out of ten and the one on Bakugou's cock up to fifteen out of twenty instantly getting loud moans from the blond.

Kirishima used one of his hands to move the dildo in and out of Bakugou as he used the other hand to move the smaller vibrator up and down Bakugou's shaft.

After trying a few different angles Bakugou moaned even louder then before as his babbling began again.

"Fuck Eji- there! Please! Fuck!" He pleaded as the dildo hit his prostate.

Kirishima turned the vibrations up to ten on it and circled it on Bakugou's prostate sending Bakugou over the edge, his cum going all over the smaller vibrator in the process.

"Don't stop! Fuck Ejirio! Please don't stop!" Bakugou pleaded feeling needy for more.

Kirishima complied and continued to abuse the bundle of nerves as he moved the vibrator up to the tip of Bakugou's dick, circling both sensitive areas with the vibrators.

"FUCK! Aaah~!" Bakugou moaned out as he came for the third time that night, his legs shaking, back arching, toes curling, and vision going white again.

"Do you want me to stop now?" Kirishima asked as he pulled the smaller vibrator away from Bakugou and turning off its vibrations seeing as it was completely covered in Bakugou's cum now. Yet he left the vibrating dildo inside of Bakugou, right on his prostate.

Bakugou nodded so Kirishima pulled the vibrator out of him and turned the vibrations off.

"Do you want to stop now? It's already twelve." Kirishima asked as he set the vibrators aside, knowing that he was going to have to clean them off later.

"No, I wanna ride you." Bakugou answered as he sat up, wincing at the slight pain from his ass.

"Are you sure about that baby? You don't look like you have the energy to ride me." Kirishima said even though he would love Bakugou to ride him and help him with his painful hard on.

"Yes I can ride you, get the butt plug though." Bakugou said confusing Kirishima.

"How are you supposed to ride me if you have a butt plug in?" He asked sounding confused. Yet he still got up and grabbed the butt plug out of the box of toys.

"Its for after I ride you." Bakugou said as he looked away with an embarrassed blush.

"Oooh okay." Kirishima nodded acting as if he understood even though he still didn't.

Bakugou took the plug from Kirishima and set it beside of them before moving so he was strattling Kiri, their dicks pressed against one another making them both let out breathy moans.

Kirishima grabbed the lube and started to lube up his dick for Bakugou, his other hand giving Bakugou a handjob while he waited.

Soon enough Kirishima pulled his hands back from both of them before helping Bakugou line up with his cock and slowly lower himself onto it.

"Fuck~" Bakugou moaned out as he lowered himself completely down onto Kirishima now balls deep inside.

Bakugou grinned his hips down making them both moan as Kirishima connected their lips into a kiss.

After a while of adjusting to Kirishima's huge size, Bakugou began to bounce up and down slowly.

Suddenly Bakugou pulled almost completely all the way off of Kirishima before slamming himself back down getting loud moans from both males.

"Fuck Katsuki~!" Kirishima moaned as he put his hands on Bakugou's hips, helping him go up and down at a faster speed then before.

He soon began to thrust him hips up with every bounce causing them both to become moaning messes from the pleasure.

"I'm close~" Bakugou warned making Kirishima move one of his hands onto Bakugou's dick, pumping up and down in time with the bounces and thrusts.

"Eijiro~!" Bakugou moaned as Kirishima hit his prostate.

"Fuck, fuck, fuck, more, harder, please~" Bakugou babbled as he struggled to keep going, his legs were giving out on him but he wanted more.

So Kirishima, being the amazing husband he is, turned the so Bakugou was laying on the bed once again and then proceeded to ram into Bakugou's bundle of nerves over and over again.

"Ah fuck Eji~!" Bakugou moaned out so loud that the next door neighbors could probably hear him as he came.

"Katsuki~!" Kirishima moaned out as he too came, deep inside of Bakugou.

Bakugou's eyes rolled back at the feeling as Kirishima began to pull out only to be stopped by Bakugou's legs wrapping around him.

"Stay." He attempted to demand but there wasn't anything but tiredness in his tone.

"Okay baby." Kirishima agreed as he continued to slowly thrust in and out, mostly just trying to get over his high.

Well that was the plan anyway.

"Why are you going so slow? Speed up." Bakugou whined confusing Kirishima.

"How are you not tired of this?" He asked as he speed up some.

"Because it's all coming from you and I love you. You know I have a killer stamina when I'm horny." Bakugou answered with a chuckle getting a chuckle back.

"Love you too." Kirishima said as he kissed Bakugou.

A while later Bakugou came for the last time and Kirishima came again, filling Bakugou up once again. Now he was extra full considered the first load wasn't let out.

"Can I pull out now?" Kirishima asked getting a nod.

So the redhead pulled out of Bakugou and Bakugou have him the buttplug.

Still confused Kirishima put the plug into Bakugou's ass but didn't question anything.

"Now we need to go and take a shower." Kirishima said as he stood up before turning around and picking Bakugou up knowing that the boy wouldn't be able to walk for the next few days.

"But it's only -(he looked over at the clock)- two in the morning." Bakugou pouted as Kirishima walked them to the bathroom.

"We fucked all night, two in the morning is the morning time baby. We need rest now, you aren't going to be able to walk for a while so we are both going to have to use up some of our vacation days to take care of you." Kirishima reasoned as he set Bakugou down on top of the toilet as he turned to the shower.

"Fine." Bakugou agreed but only because he was fucked out and tired as shit.

"Come on baby, you just have to stay awake long enough to shower your body. We can take a proper shower tomorrow." Kirishima said as he helped Bakugou stand, the blond wincing as he did so.

Now that the water was hot, Kirishima helped Bakugou bath his body before cleaning himself off quickly.

They got out of the shower and Kirishima helped dry Bakugou off with a towle before drying himself off.

He then picked Bakugou up again and carried him into the guest bedroom knowing that they would have to change the bedsheets of their bed tomorrow as well.

"I love you." Bakugou said out of the blue as Kirishima laid him down onto the bed before laying down next to him.

"I love you too." He replied as Bakugou cuddled up to his chest.

"Goodnight baby." Kirishima said before kissing the top of Bakugou's head and wrapping his arms around Bakugou's still naked body.

"G' night." Bakugou mumbled back before falling asleep.

Kirishima quickly followed him and succumbed to slumber.
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2,802 Words!