"The Morning After Jealousy" 

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'Twas the next morning, streaks of sunlight trickled through the curtains, tickling your face slightly causing you to wake. 

As soon as you became conscious of your ambiance, the soreness of your whole body assaulted your senses. 

"Mmfff." With a muffled curse, you raised your head from its position on the pillow. You, almost, could not move a single muscle aside from the point of your shoulder-up.

"Osamu..." Your gruff voice cut through the silence once more, as you attempt to pry your boyfriend's arm from your waist. When he didn't budge, you were quick to pull his hair harshly, eliciting an unwanted moan from your partner.

You began to grumble, "You bastard. You went too hard on me." 

Osamu slowly removes his arm and uses it as support for his head as he stared at you with a lop-sided simper. "Don't lie. You enjoyed it." He counters, vocals husky yet undeniably attractive. 

A blush formed on your cheeks, "Fuck you." 

"Oh you did, it was splendid wasn't it?" He further taunted, earning a light hit on the head from you. "With your limp-ass dick, how would it be?" You displayed a deadpan, though that was quickly wiped off with the male's next sequence of movements.

Before you knew it, the male had you captive beneath him, his hands trapping your own. "Oh? If you'd only ask, then you shall receive, (y/n) dearest." Osamu snickers.

"Not now, please." You hissed, the soreness on your hips worsening due to the newly applied pressure, courtesy of Osamu's sweet ass. As if noticing your discomfort, Osamu withdrew and began collecting his lost articles of clothing from the floor of your shared bedroom.

Once he was dressed, the male leaned down to plant a soft kiss on your lips in the process of lifting you from the comfort of your bed. He held you carefully, not wanting to add onto the aching in your muscles. 

"H-Hey, I'm naked!" You squeaked, trying to cover yourself with just your upper limbs. It wasn't so effective. 

Osamu smirks down at you, "What's the big deal? I've seen you this way before, haven't I?" He points out but you shot him an embarrassed glare. "Your brother hasn't, wanna change that?" You spat back.

In that moment, Osamu came to realize the fact that Atsumu, was indeed, in the living room, most likely still in a slumbered state. 

His twin had visited the day before, and a storm just so happened to occur for the duration of his stay, so Osamu had no choice but to let him settle in the night at least. Your boyfriend also recalled the origins of why you were in such a painful state. They came flooding back into his mind like bullets in crossfire. 

He was jealous the night before.

Of no one but his one and only twin brother, Miya Atsumu.

The grey-haired male was pushed to the brink of his patience, so much so, that he started to see red. Osamu knew his brother was aware of the incoming danger too. After all, Atsumu had been the only one, so far, to serve witness to a fuming Osamu.

So why in the world didn't he stop?

Ahh, just for the hell of it.

In the end, it was not Atsumu that suffered, but you-- who just so happened to be the oblivious accomplice to the blond twin's scheme. 

Gradually, his grip on you loosened and you were able wriggle out of his grasp. "For crying out loud, let me change at least!" You stressed, landing on your feet and dashing for the bathroom with your own pieces of clothing to change into for the day.

Lapse

"(y/n)-Chan! Can I have some of your pancakes? Meanie 'Samu won't even give one slice to me!" The blond-haired setter, Miya Atsumu, whimpers to you, feigning an expression of hurt.  

Osamu knew that you were soft for his idiotic brother so he did the liberty of answering for you. Before you could open your mouth to speak, Osamu's head peeked from your shoulder. 

"Leave her be 'Tsumu, or I'll rip your limp-ass dick off." The grey-haired spiker declares, referencing your insult from earlier this morning. You muffled a giggly, biting twice the quantity of pancake bites than you could chew.

You tried hard not to choke, leading to a couple of coughs, causing your boyfriend to hand you a glass of (favorite juice). 

"Careful now. As flattering the way your ingesting my cooking is, I wouldn't want you to die from it." Osamu snickers, ignoring a howling Atsumu. 

The blond-haired setter pouted, and wrapped his arms around you, knowing that it would provoke his laid-back brother. 

"Why don't you just go home?" Snapped Osamu, as he ripped his brother's arms off of your petite form. "She's sore and needs some aftercare, I don't want you around ruining the mood." Your boyfriend follows up. 

Immediately, your face exploded into red, and a furious string of profanities left your lips.

This caused Atsumu to smirk and innocently raise his hands up defensively. "Alright, alright I get it..." The setter surrenders, already grabbing his shoes from the rack by the entrance. "Thanks for having me." With that, the door to the apartment shuts softly. 

After a few moments of silence in the atmosphere, Osamu turns to you with a smirk. "You better stock up on energy, I'm not done with you yet." A dark aura consumes the spiker and you flinched. 

"You aren't?" You squeaked through chewing.

Osamu shakes his head, "I'm not. Not after after his filthy hands touched you." 

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Word Count: 900

Hope you enjoyed, sorry if that was crappy.