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Aug 31, 2022 48 tweets 10 min read Read on X
#dkbk #dekubaku
🏷: nsfw, dom/sub relationship, daddy kink, age play, feminisation, humiliation, ceo dk, needy katsuki, bratty katsuki, phone sex (ish)

Izuku was halfway through a meeting when his phone vibrated in his pocket. Which in itself would’ve been fine +
if he didn’t put it on silence when he was at work. Maybe he accidentally switched the ringer sound on while he was in the building. Zoning back into the meeting, he opened his mouth to speak when his phone then started vibrating like crazy.

With a forced smile, he pushed his +
chair back apologising for the interruption as he walked out of the room. Pulling the phone from his pocket with an irritated sigh, his eyes narrowed when he saw /who/ sent the multiple messages. The other should know by now not to disturb Izuku when he was at work, especially +
when he explicitly told him to /not/ message him during meetings. Like the meeting he just had to step out of to deal with the brat.

As he stepped into his office making sure to close the door, he pulled his phone out dropping into his chair with another sigh. He opened the +
messages, grip tightening with each revealing photo he scrolled past.

In the first few photos Kacchan was stood in front of their hallway mirror dressed in a soft baby blue skirt that peeled out of the oversized plush hoodie he wore. Izuku remembered buying that for him one +
day when Kacchan was feeling upset.

The first few pictures were fine, all innocent. Kacchan doing different poses asking Izuku which one he liked best. That was all fine. He must’ve forgotten that Izuku had a meeting.

But as time went on and Izuku clearly didn’t reply to +
him, the photos went from cute and innocent to absolutely not safe for work.

The skirt that he was wearing had been tugged off in another picture, the skirt only being seen in the corner of the screen. And then in another photo he’d sent Izuku, Kacchan was on the bed on his +
back, knees bent and legs wide open as he showed off the pretty lace underwear he was wearing. Underwear that barely covered his dick up. Another gift from Izuku.

And below it a message:
/baby misses you. ٩( 'ω' )و Baby even dressed up for you (^ν^)

And progressively +
more revealing.

The hoodie pulled up to reveal more and more skin. Until it got to just below his chest where dark green /strings/ could be seen. Izuku groaned aloud at that, head hitting the back of his chair in barely restrained frustration.

Now he knew that it was +
Kacchan that had turned his ringer on and he’d sent all those messages and photos on purpose to rile Izuku up.

The latest photos that came in were of Kacchan almost naked, the hoodie now thrown somewhere in the room as he lay back on the bed, pillows thrown everywhere. He +
angled the camera so you couldn’t see his whole face, just that infuriating little smirk of his. Taunting Izuku.

/I’m so lonely, Deku o(`ω´ )o you don’t want to play with me ( ̄^ ̄)ゞ/

And what made it all worse? What made Izuku have to take a heavy deep breath in was the +
rest of the photos after that.

How he did it, Izuku had no clue but Katsuki had battled himself into the very finnicky bralet set with the matching panties that he’d bought him two months ago. Izuku’s eyes didn’t know where to look, the string so beautiful on Kacchan’s pale +
skin. He didn’t know if he should focus on his chest where it hugged him tight pushing his tits up, accentuating their shape or if he should look at his waist where the bands of dark green stood possessively across his skin.

Kacchan was so lucky that Izuku was at work +
otherwise he’d be a very busy man.

Thinking that was the worst of it, he saved the photos to put in his ‘private’ folder for later when he scrolled down further and he narrowed his eyes, an angry growl leaving his lips.

Another photo had Izuku gripping the paperweight on his +
desk in anger. When he got home…

When he got home Kacchan was going to pay for being an absolute shithead of a brat, he thought furiously.

He’d sent Izuku a picture of his lacy, stringy panties pulled aside to reveal Kacchan’s hole as if the very image wouldn’t have made +
Izuku hard in his pants within seconds. The little fucker had the audacity to send a whole bunch of those pictures at different angles, some much closer than others, Kacchan’s pouty face in the background. And the messages.

Gosh, Izuku was going to have /words/ with Kacchan +
when he got home.

/DADDY IM SO EMPTY!! Daddy doesn’t want to fill me up (*´-`) I’m sad /

A picture of his fingers dancing progressively across his thighs until they reached his hole where they played with the string holding his panties up.

/my little peepee is happy for +
Sir. Peepee misses you, see? But Sir doesn’t miss me :( /

At that message, Kacchan had sent another picture with his very hard dick straining against the very thin underwear he was wearing. Gritting teeth and heavy breathing was the only noise in the room as Izuku silently +
seethed at the audacity and brattiness of the blond man.

As he seethed, another message popped up and he prepared himself for whatever he was about to receive, rubbing at his pounding head. He’d need painkillers by the end of this hour. Opening his eyes again, he clicked on +
the message.

And then proceeded to just stop… and pause.

/Sir doesn’t love me anymore so I’ll fill myself up ƪ(˘⌣˘)ʃ /

The little /brat/ had sent Izuku a picture of his smirking face still out of shot, just that annoying little mouth of his on screen and wearing his +
barely covered bralet, instead pulled down to reveal nipple clamps connected by a delicate gold string. As his eyes moved downwards he seethed even more as he saw what was most definitely a butt plug. A butt plug with his name etched into it. A green butt plug that Izuku was +
sure they didn’t own.

He could see it peeking out from where Kacchan had spread his legs out again angling himself towards the mirror they had in the guest bedroom, knees bent and soft looking thigh highs covering his thighs snuggly as he pulled his panties to the +
side.

Yeah, Izuku was about to unleash a world of pain on Kacchan when he got home.

The messages after that were luckily not photos but they weren’t any better. Kacchan kept sending messages like:
/Daddy’s cock is so nice and big but daddy isn’t here to keep me full +
anymore (◞‸◟) SO I’m gonna fill myself up! ٩(๑❛ᴗ❛๑)۶ /

And the message after that wasn’t a photo or a text. No the message after that was a fucking video.

A /video!/

Yes it was only about ten seconds but as he clicked the play button he wondered where he’d gotten +
too lazy with the other.

“Daddy doesn’t want to fill me,” Izuku heard Kacchan say, panting as rustling was heard in the background. The camera was angled towards the mirror and zoomed into his ass where he pulled the plug out with a low groan and pushing it back in slowly, +
satisfied sigh leaving his lips each time.

And that was it. The clip ended.

Clicking out of the messages app he opened the phone app, dialling Kacchan’s number. Listening to it ring, he tapped impatiently at his desk, growing more and more frustrated with each passing +
second. He called again and again and called a fourth time when finally the call was picked up.

“Hi sir,” he heard Kacchan sing, giggling after the greeting.

Izuku took a breath in to calm himself before replying “I don’t remember having a shitty /brat/“ Izuku sneered +
taking pleasure in the offended gasp Kacchan let out.

“No!” he heard on the other side along with scrambling as if Kacchan was scrambling to sit up. Only he must’ve jostled the plug hitting that sweet, sweet spot inside him because he gasped a second later stopping whatever he +
was trying to say.

Izuku grinned leaning on his arm as he listened to Kacchan shuffling around trying not to make any noise. “Aw,” he began mockingly, “is my little slutty brat still not satisfied?” he cooed hearing the needy whine that Kacchan let out.

“I’m not a brat!” he +
pouted through the phone.

“Mmm, pretty sure you are.” Izuku hummed pleasantly, “number one: I always keep my ringer off during meetings and you turned it on. On /purpose./ Number two: I tell you not to disturb me during my meetings which I texted you I was going into and you +
then proceed to send my at least twenty messages making my phone vibrate constantly and disrupt my meeting.” he said voice growing sharper and sharper with each word hearing the audible hill Kacchan let out.

“And then number three: you clearly tried to rule me up for some +
reason when I’m clearly busy. Number /four/ you bought something without telling me.”

Kacchan’s breath hitched on the other side barely any sound leaving him now.

Izuku tutted disappointedly, “Breaking your own rule, brat. I thought Daddy taught you better.” he sighed hearing +
more scrambling on the other end of the line.

“NO!” was screamed on the other side, a noise of something being thrown and breaking. And then a short intake of breath before silence.

“Ah, such a little brat.” he said again knowing that Kacchan didn’t like being called a +
brat. Always said he wasn’t one, nor would he ever be one. Yet here he was. Acting like a spoiled little brat.

“I’m not a brat, I’m not! I’m not!” Kacchan whined, a little fist punching the bedding in frustration. Izuku could hear him gettin worked up and grinned. Now he +
could see how it felt like to be riled up on purpose.

“But you are,” he drawled in a low whisper, smirk evident in his voice. “You’re my good little /brat./“ and Izuku knew Kacchan didn't know how to react. Complain about being called a ‘brat’ or preen at being told he was +
good. He was used to being praised but now he was being humiliated, he likely didn’t know what to do.

Just like Izuku intended.

Now that Kacchan was in the palm of his hand, he can finally have their control back.

“Kacchan baby,” he whispered, mouth tilted up in a wry smile +
as he felt the hitched breath of Kacchan.

“Yes daddy.” he breathed. Izuku could imagine him sitting up straight and proper waiting for whatever Izuku had to say. But this time he wasn’t going to like it.

“You’re my good little slut aren’t you?” he hummed tapping a finger on +
the table.

“Mhm, mhm,” Kacchan nodded vigorously, answering quickly. “The goodest, ‘m Daddy’s best.” he babbled shuffling of the sheets heard again as the other man got himself comfortable.

Izuku grinned some more.

“Since you’re daddy’s little slut I want you to play with +
yourself until Daddy gets home.”

Another hitched breath as Kacchan froze. Izuku waited as well listening out for their safe word. Yet no safe word was uttered, only a low pitiful whine as Izuku heard the squelch of the plug being pulled out and then sucked in.

He sat there +
for about five minutes growing harder and harder, ignoring it in favour of listening to Kacchan’s breathy moans and shuddering breath. Once his baby started to move too fast, his climax so glaringly close Izuku put a stop to it telling him to slow down or Daddy would be +
disappointed in him.

He let it go on for almost 45 minutes, stopping Kacchan when he was getting too enthusiastic and bringing him back to the speed /he/ wanted. He listened to the frustrated noises coming out of Kacchan’s mouth, complaining about needing to get off.

“Sir, I +
c-can’t. I-I can’t.” Kacchan cried after an hour of this, the wet noises slowing down to almost a stop as Izuku imagined the tears that streamed down his little baby’s face. He hiccuped as he whined when he accidentally brushed against his prostate again.

“Aw,” he cooed, voice +
as sharp as knives, “can my good little brat not do it anymore? Don’t you want to be good for Daddy? This isn’t good, you’re being bad right now.” he tutted, voice filled with disappointment and the crying on the other side of the line increased as Kacchan tried telling him he +
was good. He wasn’t bad.

“It’s not e-enough!” he sobbed, sniffling softly, “I want Daddy. The stupid toy isn’t big enough, it doesn’t fill me up! And doesn’t give me Daddy’s special milk! I want /Daddy!/“ he cried kicking and hitting the bed, a tantrum coming +
on.

Izuku couldn’t have that.

“Well you should’ve thought of that before you bought something without telling me and using said toy. Now you’re just being a pathetic little bitch.” he snapped, tired of playing nice with someone who clearly wanted to be a brat.

“I’M NOT! I’M +
NOT!” Kacchan screamed, sobbing and sniffling.

“I want Daddy home!” he whined, the wet sound of the plug being pulled out of his ass and being thrown across the room heard across the phone.

Izuku’s voice gets breathy and mocking. So very mocking. Condescending as he grinned +
to himself.

“Does my wittle starlight want Daddy to come home.” he mocked, making his voice baby like and he listened as Kacchan screamed on the other side.

“COME HOME! COME HOME! /COME HOME!/“ Kacchan screamed hitting the bed after each sentence. The pout in his vice was so +
evident to Izuku, who had started shuffling papers on his desk as he listened to Kacchan’s tantrum.

“Hmm.”

“I don’t think I will.” he sneered and then cut the call.

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