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Ruthlessness (is mercy upon ourselves)

Summary:

Deku can't be a fucking hero. Katsuki won't allow it.

If Deku becomes a hero, he'll-

Work Text:

Katsuki didn’t start all this crap to get back at Deku or something, so don’t get it fucking twisted. He's doing this for Deku's own damn good and that’s that.

Don't you get it? Deku wants to be a fucking hero.

If Deku becomes a fucking hero, he'll die.

That's the long and fucking short of it. Even Deku's precious Eraserhead, if he really exists, has got a quirk to fall back on even if he fights quirkless most of the time. Allegedly.

Deku ain't got nothing. He's fucking quirkless. Quirkless, useless, stupid, vulnerable.

He can't be a fucking hero.

Katsuki can, because Katsuki's got the goddamned quirk for it, but Deku-

How was Katsuki supposed to know? He was like, three when he got his quirk, ahead of the pack right from the start. He'd thought that Deku's quirk would come in at four like everyone else's did. A whole year of dreaming…

Of course, then Deku had to ruin it. That fucker.

Katsuki can feel those bug-eyes burning... Right about... There!

"Quit following me!" He screams, because he's beginning to suspect that Deku's deaf as well as stupid.

Stupid fucking- A quirkless wonder can't be a hero. No amount of following Katsuki around scribbling in little stalker notebooks is going to change that.

"Yeah!" Fingers yells. "Quit following us!"

Fingers is a fucking sheep. Baa baa baa, all fucking day, saying everything Katsuki says one beat behind.

Katsuki doesn't know why he keeps him around. Deku would be more interesting, but he can't let Deku follow him because then the little fuck will follow him right into U-fucking-A, and Katsuki can't- He won't-

It's not fucking happening.

Deku creeps out from behind the bush with his head tucked right down into his collar, like some kind of turtle, and if he had a turtle quirk then at least he'd have some kind of armour to protect him but he doesn't because he's fucking quirkless.

And he wants to be a hero.

Can't forget that. Not until Katsuki beats it out of him at least.

He has to.

If he doesn't do it now, someone else, a villain most likely, will teach Deku the real fucking hard way and Katsuki can't-

"Deku." He growls, popping off explosions.

Deku meeps at him, honest to god. Little fucking-

Katsuki lunges, and Deku shrieks but doesn't fucking run, because he's an idiot that only ever stands his ground at the worst fucking times and if he actually lets Katsuki catch him with these hands then Katsuki might actually kill him himself and save the world the trouble.

Katsuki will make it quick. Way quicker than a villain, at least.

And then Katsuki will go to jail and not be able to be a hero and it will be entirely Deku's fault and-

Fortunately for himself and Katsuki's future career, Deku throws himself backwards at the last fucking second. Katsuki's hands slap nothing but air.

"Yeah, you better run." He hisses, despite Deku not really doing any such thing.

He's just standing there, really. Looking at Katsuki with those big bug-eyes, clutching his notebook to his chest.

"Sorry, Kacchan! I didn't mean-"

"Go away, Deku." Katsuki snarls. He raises a crackling palm demonstratively.

"Take a fucking hint."

He's standing close enough now that he could actually land a hit, and Deku fucking knows it, the way he's watching Katsuki's hands.

"Right." Deku mutters to himself.

He starts muttering some other things too, but Katsuki is not fucking listening. He strides away while Deku's distracted, shoving at Fingers and What's-his-face to get them moving too.

They immediately begin warbling about how Katsuki 'sure showed him', or something equally obnoxious and not worth the time to process. Where can he go that Deku won't think to follow? He always shows up no matter where Katsuki leads his little-

...

...

Katsuki is going to fucking hate this.

"Extras!" he barks. "I'm letting you decide where we're gonna go. You better be fucking grateful!"

The extras are not fucking grateful. Instead, there's some kind of panic in the flock because sheep are fucking terrible at making their own decisions. What's-his-face eventually coughs something out though. Katsuki shoves him to the front.

The extra fucking hesitates.

Katsuki snarls at him, flexing a hand meaningfully- the sheep startles, scurries, and Katsuki follows after like a herding dog, because that's the only way he deigns to follow anyone.

He’s in charge of this circus, make no mistake.

That does not, however, mean that he wants to go to the fucking circus. The things he does for that little-

Whatever. Forget him. Katsuki's going to enjoy the rest of this day Deku-free.

Or else.

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