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I summoned a demon now what?

Summary:

Megumi is stuck with an old arrogant demon after doing a summoning ritual he found in an old book.

Notes:

(See the end of the work for notes.)

Work Text:

"I knew it wouldn't work" the 18 year old exclaimed tossing the book at the wall as the massive four armed demon watched him.

The dark haired tan skinned teen sighed, his long lashes fluttering as he closed his eyes.

The demon was awestruck. The boy was breathtaking. He had never seen a human so beautiful in all his 3 million years of living. His perfectly unmarked skin, his luxurious hair, his shapely thighs.

However that was not what the demon noticed first. The boy's eyes rivaled any gem he ever saw or owned.

The demon usually appears in a random person's room after summoning then wait until they fall asleep and feed on their lust via dream but this time...

"What wouldn't work?" The naked demon asked. The boy who instantly went rigid was unable to respond . The demon licked his lips as two emerald saucers stared at him. His mouth slack in disbelief.

The demon thought his mouth looked fuckable. He rumbled in the back of his throat. He followed the teens gaze down to his massive stacked cocks as they twitched.

"See something you like human?" The cocky demon asked as he stroked his cocks.

The teen nodded sliding off the bed pulling his long tshirt over his head making the demon gasp.

The demon smirked, noticing the shift in the human. The boy who seemed to have been held in place by fear was overtaken by something he couldn't quite place but it was close to lust.

The demon was curious. He peeked inside the boys mind. He was thinking something about a fanfiction he read.

The boy bit his lip confidently striding over to the massive demon. He moved the demons hand away from his leaking cocks.

The demon ruby eyes were watching him with such intensity but the boy who was having a yolo moment and didn't care. He will make his fantasy come true or die trying.

"Careful boy" the demon warned but the teen was unfazed.

"Megumi" the boy said, getting a tight hold of both of his cock slowly leading him to his bed.

The demon followed, curious to what the boy had in mind.

He is usually the one in charge but he doesn't mind giving it up for the right person but does this twink, as the humans say, have what it takes ?

"I know you need my come to live you filthy demon"

Megumi pushed the demon on his knees with surprising strength for such a small human though it was nowhere comparable to his 

The demon watched as the boy sat directly in front of him spreading those shapely legs as wide as possible as the boy's heavenly scent overtook him.

"Beg for it" Megumi said, gathering up his precum and waving his finger near the demon's nose.

"or I will send you back without one drop of my precious come"

The demon leaned forward taking the whole finger in his mouth with a groan wrapping his tongue around it determined to get ever drop.

The boy stared into that deadly blaze in the demons eyes, almost transfixed.

Two of the demon's arms ran up the boy's shapely legs but were stopped mid thigh making the demon whine.

"Follow orders you pathetic come sucking demon!"

The demon wasn't much of a verbal beggar but he knows how to get what he wants.

"Sukuna" the demon said in a breathless voice.

The boy stared as he processed what happened.

Demons never give out their real name because it gives humans power over them.

Just what kind of demon did he summon? Is he stupid?

The demon took the time the boy was lost in thought to rub his head up and down the boy's legs like a cat. His skilled tongue darted out to taste that perfect skin.

<3

Sukuna” he snapped his fingers trying to get the demons attention as his feet crushed his massive balls.

“What have I told you about zoning out like that? The darked haired boy asked putting all his weight down.

The demon had a tendency to space out. Megumi wasn't sure where he went during those times.

The demon would never admit it was always their first encounter. Every time the human asked he would lie and deal with the damage. The joys of having a pact with a human, dishonesty causes damage.

The demon hissed then blinked looking up wondering why it was dark. His arms held onto the boy to help him balance as he practically stood on his balls.

“I'm right here” the human said in a low nurturing tone.

Megumi released the fabric that was obstructing his view. He knelt down and kissed the demon on the forehead making him blush as the demon massaged his legs and ass.

"So demons can blush huh" he teased.

Sukuna sighed contently. It would seem he is getting soft Megumi today. He wasn't sure he would be able to handle hard sadistic Megumi though he would try.

His back stung in protest at that idea. The holy water slash masks still were not completely healed.

He laughed, he would make an excellent punisher in hell.

The sweet innocent looking human does the most sadistic shit he ever heard of and he loves him.. no love it.

“Care to share what's so funny my little demon?”

He glared at him. “I could literally choke you with two fingers”

“Hmm. I know” he kicked hard making the demon land on his back.

“Fopdoodle!” he hissed as both of his cocks sprung to life but were immediately crushed as his human sat on them the lower one sliding between his bare cheeks. The upper one wrestling with megumis throbbing penis.

“I see humans have the ability to get stronger than I imagined”

“Ohh?” He raised an eyebrow slowly moving his hips in circles holding their erections together.

“That's all it takes to entertain a demon these days?”

“Ohh I could think of better things my tsavorite”

//


Three orgasms and 5 edgings later sukuna was a pleading begging mess.

“Megumi” he pleaded breathlessly.

“I know."you're a pathetic demon who only lives for megumis come” he said mockingly hearing it who knows how many times.

Megumi sighed while getting up. Sukuna stared at the floor not moving one inch.

“On your knees filthy demon” he ordered slowly stroking his cock.

The demon did not hesitate one goal in mind, megumi’s sweet kiwi tasting come.

“Only for my jade” the demon says barely above a whisper.

“I might just give you a treat” the demon hear his favorite human say as he stares at his perfectly manicured feet.

Sharp nails under the demon chin slowly lifts his head up and onto what he has been wanting for hours.

The sharp intake of air was the last thing he heard as he devoured megumi's cock swallowing it whole, letting his throat open and close around the length as his hands caressed his balls.

Sukuna's eyes darted up, making him come. Never in his life watching someone else in the throes of pleasure brought him pleasure… maybe it was the edging.

However that expression changed quickly. His hair was yanked as he was throat fucked so hard and fast it actually hurt a little.

Sukuna knew he fucked up. He came without permission and on megumi's feet at that but it was always worth it in the end despite his punishment.

The dark haired boy came deep down his throat and pulled the demon off. The demon didn't want to let his treat go.

When Megumi was quiet he was beyond pissed and disappointed in him, he didn't need to read his mind to know that.

Did he feel guilty? Maybe

Would he do it again? Most definitely.

He chuckled quite amused with himself 

Megumi looked down at him for what felt like hours before walking behind him and kicking him.

The demon was now face down ass up. Megumi's foot rubbed the demons come over his twitching hole.

“Hope you ready troublemaker” his human warned before thrusting his entire length into him with no prep.

It hurt so bad but it felt so good. The demon grew larger, unable to control it but otherwise stayed still as he was fucked relentlessly.

The demon pleaded and begged like a bitch in heat.

“Megumi please i'll be good just let me come”

“1,222”

“Huh?”

“Oh I keep count now” he responded pounding his prostate.

“Please..” he started yet again feeling the orgasm buildup.

“Don't worry we both will be coming soon”

Sukuna's ass felt so good it was always so warm and tight no matter how often he abused him or what size toy he used.

Megumi gripped his hips hard enough to leave marks getting closer, his nails digging into his skin.

"That's right human, you better fill me up" He arched his back even more like the slut he is.

Megumi rolled his eyes "Don't make me pull out"

Blazing red eyes met his. The 'I will kill you if you do stare'. Megumi glared back never afraid of a stare down. 

The demon lost soon as his prostate was abused.

"Soo close" he whined "don't pull out" 

“You taking me so well, I might never pull out"

"Just what do you take me for? Of course I do better than any being ever could!”

Megumi thrust became erratic. "Going to fill you up so good kuna".

Sukuna smirked tightening up his hole rising on his elbows and throwing it back. 

"Sukuna.. Fuck.. Wa-" His orgasm hit him hard nearly taking his breath away as his leg cramped. 

He planned to let his orgasm build even breathe through it. That dam demon and his tricks. 

The boy gathered his breath massaging the demons hips. 

Megumi groaned wondering if he should make good on his threat to get rid of him

"You lucky you're such a good fuck" He said pulling out

"Yea yea, now let me massage that leg" the demon said getting to his feet in that no argument tone. "Human do get injured so easily" 

"I swear if you-" Megumi started

"You going to drown me in holy water" Sukuna  finished taking time to massage the boys leg then the rest of his body. 

Megumi wondered just when did his threats stop being taken seriously. 

His thoughts were interrupted as his nipples and penis were licked at the same time. He often forgot about the demons ability to summon a mouth anywhere. 

His back arched as he became light headed due to how fast he became hard. 

"Just one more drop Master then you can go to bed" the demon begged seeming to never get full. 

Notes:

Sukuna can change his size at will and choose to not be his true size around megumi. Megumi never gave him a rule about being a certain size.

Yes they have safe words, No sukuna never used any of them