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Summary:

A cataclysmic explosion.

That’s what this was.

Notes:

(See the end of the work for notes.)

Work Text:

 

A cataclysmic explosion.

 

That’s what this was.

 

As the demon slayer clung onto the voice demon’s shoulders, pressing their bodies closer and exchanging each other’s taste…It was wrong. 

 

But it felt so fucking right.

 

A conversation turned to teasing, to a glint of playfulness in their eyes, and then a simple touch lead to this .

 

Shoto’s blade fell heavily onto the ground as Vox stripped him of his clothes. The boy was doing the same between breaths as he licked the demon’s neck while unbuttoning his white shirt. 

 

Musk, gin and sensual dominance. His aura, his smell, his taste was enveloping all corners of the slayer’s mind. The absolute power that emanated from the demon seemed to strip him bare not only physically but mentally.

 

“My boy…”

 

Shoto keened at his voice. His heart thumped harder against his chest.

 

“Vox….”

 

Unbashful, Shoto leaned closer and left kisses against the man’s neck leading down to his clavicle. Parts of Vox’s tattered shirt in Shoto’s grip.

 

Vox quivered at the sensations and followed suit by leaving his own set of bite marks onto that supple white throat. 

 

“Ahh…. V-Vox .”

 

The boy tasted divine. Every drop of sweat and breath the boy exhaled was a delicacy no gourmet would comprehend with a single expression. If given the chance to fully devour the boy’s soul, Vox knew he’d never go hungry for centuries.

 

But he knew he wouldn’t dare.

 

His soul would be a spectacle, but he wanted more than just that. The boy’s smile, his snarky wit, his adorable gestures, and his unwavering determination and vigor. 

 

Oh…how intoxicating.

 

The slam of a door didn’t register in their minds as they continued to kiss and hold one another on their way to the bed. A trail of torn clothes in their wake.

 

Smirking against his lips, the boy broke their kiss before switching their positions and throwing Vox onto the bed. Before the demon could speak up, his eyes grew wide as Shoto slowly removed his briefs.

 

Vox watched the way the cloth slipped over the curves of the slayer’s hips, calves and unceremoniously onto the floor. He felt himself lick his lips in anticipation.

 

Shoto caught onto the demon’s gaze and almost lost it. He flushed furiously as he found himself covering his cock and chest, turning away from those wandering eyes.

 

“Move your hands.” Vox commanded harshly. He sat atop the bed like a King on his throne. Legs spread revealing a fully erect cock, throbbing at the sight of the slayer’s demure body.

 

Shoto found himself looking suddenly at the erect member before realising and turning away again. “....Wait.”

 

Vox raised an eyebrow.

 

“Move them.”

 

“Vox please.” Shoto begged quietly as he bit his lip, trying to wake up from this vivid dream which was fruitless. This wasn’t a dream. 

 

He really was here, with Vox and his body screamed to just let go. He couldn’t deny this. He wanted this.

 

His hands fought against their owner’s weakening control as they slowly slid to reveal the boy’s sensual parts. Shoto closed his eyes at the strength of Vox’s gaze leering over his nude body.. 

 

Vox was enjoying the view. The flushed pale skin, swollen lips, baby pink nipples he could imagine licking circles around, that delicious waist and plump calves he could bite into. 

 

“Stop that.” Shoto spat out.

 

“Stop what?”

 

Shoto finally faced him with a glare. “You know what you’re doing.”

 

The demon chuckled to himself.

 

“And what exactly…” Vox curled a finger and notioned Shoto to him.

 

Shoto found himself stepping closer.

 

“...Am I doing?”

 

Vox finished as he crossed his arms at the boy.

 

“You started this slayer. With that little thing you did before.”

 

Shoto found himself smiling.

 

“Oh?”

 

Shoto knelt down in between the demon’s legs, holding onto the man’s muscular thighs. 

 

“Can I do another little thing then?”

 

Vox grinned widely before letting out a heated breath.

 

“Go on then slayer.”

 

Shoto opened his mouth revealing a slick pink tongue. His hands held shyly onto the man’s testicles as he leaned forward to the throbbing member.

 

Vox held onto the boy’s disheveled locks as he prepared himself for what was to come…..before it didn’t.

 

Vox felt the boy pause and looked down angrily as he was met with a cheeky smile.

 

“Didn’t hear a please old man.”

 

Vox grit his teeth impatiently as he thought to force the boy’s head down but resisted the urge. 

He wanted this to feel good for the boy. But he wanted to break his teeth in for his teasing.

 

Shoto .”

 

The boy’s ears perked at the sound of his name against the man’s lips.

 

It sounded so… .good when he said it. 

Shoto felt his own member drip and tremble as the demon looked down on him with a face in agony. 

 

Fuck… Shoto would give him anything if he looked at him like that. Like he wanted him, needed him, yearned for him.

 

Shoto knew he was using his ability in some way, so despite his thoughts, he fought to play this scene out. Vox just needed to say it.

 

He wanted to get this man to say the words. To beg.

 

Vox’s body jerked in surprise pleasure as the boy began playing with his testicles while waiting for his response.

 

“SHOTO.” It was a guttural roar. It trembled the room and waves of it hit Shoto like nothing. Like it was a wisp of wind against a brick wall.

 

“Please Shoto……just….just suck it.”

 

“Suck…?” Shoto smiled as he leaned his cheek onto the throbbing, veined member. Longing for his touch.

 

“Put my fucking cock in your mouth and suck it, PLEASE!”

 

Shoto’s body trembled violently at the way he sounded. He leapt into action right away with no regret. Gulping down onto the demon’s member and licking it hungrily, while meeting Vox’s eyes. 

 

Vox gripped the boy’s hair tight as he watched him. He groaned when the boy squeezed his balls below as he sucked even faster. They were both losing it. 

 

The demon clenched his eyes shut in defeat as he pushed the boy to his limit. Both hands gripped hard on his purple locks as Shoto sucked and swallowed all he could. 

 

“I’m coming….I’m gonna come into your mouth, boy..” 

 

Shoto prepared his entrance with trembling fingers as he let Vox control his head, thrusting his hips against the boy’s mouth.

 

I want to taste him inside….inside.

 

Shoto closed his eyes and let himself drown in the feeling of Vox finally coming down his throat. Vox pressed inside as he anchored himself inside that tight, hot mouth. His essence spilled inside before spirting out onto that beautiful face.

Shoto dazed, welcomed it all. The warmth, the deep pants of the man in front of him, and the taste of the semen he licked off of his lips.

 

But it wasn’t enough.

 

His hole twitched. His body empty. His heart thumped even louder. 

 

“Give it to me.” Shoto moaned mindlessly as he finally leapt onto the bed with Vox, straddling him.

 

Vox was still in a haze and awoke with a shock as he saw the boy slowly pushing his cock into his stretched hole. 

 

“Shoto….are you sure-”

 

He didn’t finish as the boy suddenly forced his cock inside raw.

 

His eyes shot open as he felt him inside.

 

“AH!”

 

Shoto screamed internally but his voice let out a satisfied moan as his body finally felt full.

He closed his eyes once more, rolling his hips wantonly as he licked the semen off of his fingers. 

 

So thick, so big, so fucking big aaaaaaa…..

 

He kept twisting his hips, letting his inner muscles clench the cock inside, and moaned loudly for anyone to hear - without a care. He held onto Vox’s thighs as he fucked himself deeper and deeper.

 

“More….more….” 

 

Those cute mewls were so close to breaking the demon. Vox held onto the boy’s hips as he also followed suit and tried to thrust into that deliciously warm hole. 

 

So perfect for him. Tight, wet, and hot. So fucking hot.

 

“You want more?” Vox growled as he aimed a particularly hard thrust inside him. 

 

Shoto nodded mindlessly, eyes closed and smiling happily.

 

“Yeah….!” Shoto screamed as he moved to kiss Vox suddenly. Lips and tongues meeting in a war of highs. “Give it to me!”

 

Another thrust again. Aimed ever so closer into his stomach. A lump began showing on the boy’s abdomen as Vox tripled the strength he thrust with.

 

“Give it to me DADDY!” Shoto begged against Vox’s lips.

 

There it was.

 

Shoto let out a pained moan as Vox suddenly pulled out and flipped the boy face down onto the mattress. Before Shoto could react, he felt those large hands grip his hips, lifted his ass in the air, and rammed himself back inside without pause.

 

“FUCK!” Shoto groaned into the sheets as he clenched the sheets while he let the demon have his way. Vox pulled himself deeper and deeper once more inside his heat and let himself lose control. Lose control to that heat, to those moans, and to how perfect they felt together.

 

Their compatibility was indescribable.

 

The demon thought to himself, This would be the way to die.

 

To drown and be enveloped forever into this heat that seemed to understand and fit him so well.

Like the boy it belonged to. This beloved boy that he has slowly grown to care deeply for.

 

“Oh fuck me…. fuck me Vox!”

 

Shoto shouted desperately, eyes glazed over in mindless lust. He pushed himself against the body ramming into him, trying to push them together ever closer. 

 

“Inside me…..give it to me…..give it Daddy!”

 

Sparks of white lights and technicolor madness exploded then.

 

A volcanic eruption of seed burst into the demon slayer. Flooding his insides and leaving him breathless. Vox held their hips close, grunting his release out and trapping the boy to him as he spilled his essence inside. Making sure not one drop spilt.

 

Shoto was on the verge of passing out completely before he felt excruciating pain from behind him. Vox had bitten him. His nape trapped with the demon’s fangs.

 

“You motherfucker-”

 

“Shh.” A soft lick followed the gentle hush.

 

Suddenly, all thoughts of anger dissipated as Shoto mewled at Vox’s apologetic licking of the bite wound now freshly blooming on the boy’s neck. 

 

Ah. A spider lily. Vox thought lovingly as he kissed the mark. While also circled his fingers around the boy’s abdomen, playing with the boy’s own spilt semen as he did.

 

The rest of the night was filled with more couplings between them. 

 

Shoto surrendered his body once again but not before shoving the demon between his legs first. The demon needed to please him first. It was good he did so as the demon was quite skillful with his mouth. Licking him in the right way and playing with his balls as he did so.

 

“You like it?” Vox asked softly, eyes never leaving his.

 

“Hnng….yes…”

 

“What else do you want?” Vox said as he leered at him.

 

Shoto found himself playing with his nipples. Looking to Vox longingly,

 

“Touch me again.”

 

“Where?”

 

Shoto grabbed onto Vox’s hand and held it against his right breast, squealing in alarm as he felt him grope it.

 

“I am at your command.”

 

Shoto almost blacked out as Vox once again had the boy straddled against him, licking and rolling his tongue around those pert pink nipples as they hardened under his intense play. Shoto responded in full by pulling Vox’s hair back to kiss him, sharing the taste of their seeds. 

 

He rode him again like it was the last thing he’d ever do. Like he needed it as he yearned for food and water. Vox leered at him with the biggest grin on his face. In the midst of coming once again, the demon pushed him onto his back and rammed back until he was an unrecognisable mess of moans and mewls.

 

“Take my seed you slut.” Vox ordered against the boy’s neck, leaving even more bloodied bites.

 

His pace quickened.

 

“Take it all.”

 

Once again, Vox came, but this time it felt different. 

 

Shoto felt his essence flood his insides again albeit this time, it genuinely felt like fire. However, he didn’t think too hard of it as he arched his back at the sensation, his tongue lapping out like a dog smiling up at the demon who seemed satisfied with his work.

 

“You’re mine . All mine.”

 

Shoto nuzzled his cheek against Vox’s hand. Its warmth was comforting and reassuring. 

 

Vox wasn’t surprised when the boy bit his palm while looking at him cheekily. “You sure about that, demon?”

 

Vox grinned slyly, baring his teeth at him.

 

He stroked the boy’s perspired face before sliding it down onto his semen-sprinkled abdomen…and at the red demonic tattoo now glowing on it.

 

Notes:

Thanks for reading my first Voxto fic! I haven't written for a while and this is a new fandom I'm in so I'm really happy to be back and posting a fic after a long time!
This fic is the result of a fever dream I had of them together and I was some random voyeur TSKR.
I'm truly in the deep end of Voxto brain rot and this train ain't stopping soon.
I do love this duo so much and hope I brought it justice.

Please leave your comments and kudos down below and thanks again!