DEER

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Disclaimer: Boku no Hero Academia belongs to Horikoshi Kohei

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Genre(s): Adventure/Hurt/Comfort

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Warning(s): Typo is my most loyal fan, spelling mistakes because English is not my mother language, Possibly OOC. NO BETA, so beware of grammar mistakes

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Summary: Shota thought discovering their 'Nightwalker' to be a kid was bad enough. Not to mention how the said kid is literally Quirkless, meaning the law cannot touch him.

"I don't wanna be a Hero. It's too troublesome"

And then this?

Maybe it's not too late to ask Nezu for a raise this year…

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Or, being a good citizen and stopping an illegal back-alley transaction resulted in him getting some High-Ranking Villain's attention. He didn't even raise a hand at those A-holes. Just glaring at them hard enough, they turned tail.

This second-chance of life is so not worth it. What a drag…

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(A/N): To the Guest from the last chap who said 'I should put the A/N in the main story instead of, well, in the A/N', why would I do that? That wasn't Izuku's POV. And explaining how did you escape from your containment to your enemy is dumb. Honestly, explaining how your super move work to your enemy is dumb. I understand why Shonen manga did that (we, as a manga reader/anime watcher need to know how in the heck did they do that) but logically speaking, you're just asking for the enemy to create a countermeasure asap. Look at Shigaraki, explaining how Nomu's Quirk to All Might. His talkativeness is his own downfall `3`

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Kai choked and hacked. Blood sprouted from the opened jaw, trailing down from his burning nose and bloodshot eyes.

How did he get here? Sprawled on the cold floor, no mask in sight and showing his ugly scar for the world to see. Not to mention, dying?

That night, he was walking back and forth across the bedroom, cursing up a ton while fixing his face structure using his own Quirk. Vanishing the long scratches on the side of his cheek within a snap. An injury that was made, courtesy of their new victim, Midoriya Izuku. That kid had mean nails. And determination too. To be able to move in the middle of his rebirth and freed one of his hands from the shackles. If only that brat's power didn't suddenly roar like an angry beast, sending them down to the floor, he may actually go back there and destroy him again. But because he did, Kai didn't want to bother. Not when it was already night and it was time to rest. He'll take care of this enigma tomorrow. When he wasn't on the verge of exploding in rage for the failure of their experimentation.

Izuku is intriguing, yet exhausting at the same time. What is his secret, really? The report he got from Chronostasis said that the green-haired boy is Quirkless. It was backed up by the file he got from one of his members, who hacked the government system for the sake of accumulating information.

But then a Quirkless kid cannot have that kind of debilitating aura. A normal child should not be able to subdue a grown-up man with a glare alone.

There must be a mistake. Be it the doctor who diagnosed Izuku as powerless or Hari's research, they must've made an error somewhere along the way.

Although, if that was true, that may be the reason why the drug didn't work on him? Because he is supposed to be Quirkless? Kai had tried this poison to the other crook he met at the back-alley and it worked just fine. The only time it failed was when Chronostasis used it to this child.

Nevertheless, Kai won't take any chance. Whether it was because Izuku's Quirk rejected Eri's ability or because he doesn't have any power in the first place, the leader of Shie Hassakai won't let any loophole existed. He knew how the butterfly effect worked. One wrong move, one wrong assumption, and everything crumbled.

(The thing is, even if humans knew the theory, doesn't mean they'll recognize where and when will the butterfly effect begin)

Kai was sleeping soundly when his eyes suddenly burst open. His skin felt hot, his eyes irritated. He had difficulty in breathing and bile rose up to the back of his throat. The leader of Shie Hassakai scrambled for the low table next to his bed, a place where he usually put his beloved beak mask on. Yet he couldn't find it. It didn't fall off the desk, the thing just...gone like smoke. Kai immediately went for the door, intended to ask one of his men about this and punished them if this was just a prank; they knew he hated it when someone touches what his. Especially the piece that kept the putrid air for ever invading his personal space,

But he stopped short instantly when he saw the scenery in front of him. At his subordinates who was laying on the floor, groaning and choking on their own breath. They beg for air. Someone tried to crawl to the nearest window to let it in yet lost his energy in the middle of the way. One of them was actually dead. So still and eyes unseeing, blood pouring out of their open eyelids, nose, and fallen jaw. Before Kai could even ask what the hell is going on (and where's their mask? He told them to wear the plague mask the moment they're out of their room. It was their group's trademark. Why everyone suddenly lost their mask?) Kai's sight swam and he crashed to the ground, joining his underlings in writhing like a dying worm.

What happened? Kai coughed. Orbs widened in alarm when he saw a splotch of blood decorated the previous clean tile. This invisible attack…did someone just poison them? How? He knew their cook is loyal to this Yakuza group. The boss was the one who recruited him. The boss was a good character judgment. There was no way he'll revolt after all this time. So, someone managed to infiltrate their hideout, stole their masks, and spread poison around the house? Was it Heroes? Heroes won't use deadly force to subdue them, however. At least, not deadly enough, they lose their life. Then who—

"Ah. The beauty of simple science," someone slowly spoke. Someone he never heard before. There was a step, and that person crouched in front of him. At first, Kai thought it was Shin. With that black cloak and black beak mask. Yet one look at the curly green hair peeking from behind the headpiece, he knew it wasn't his right-hand man. The kid—Midoriya Izuku. The bane of his research how-did-he-escape-from-the-torture-chamber?—tilted his head, resting his cheek on the open palm. He could hear the smirk from the tone alone, eyes must be looking at him in mocking pity under that mask, "to think combining Bleach and dishwasher detergents can be this deadly. You don't even need a Quirk to do the job."

Wha—. Kai tried to pull himself up, intended to demand Izuku to explain. If he was the true perpetrator of this attack or not. But another cough wracked his whole body and he collapsed once more. His head was spinning, nose and skin were itching. He felt like he was thrown into a pit of lava and the hell? This is all because of a Bleach?! Izuku patted his hair almost lovingly, Kai bristled, "I'll be taking the girl with me."

"Have fun with the Massive Organ Failures."

Amidst the thudding heart and blood pouring out of his eyes. Amidst the static sound invading his slowly-losing hearing. Amidst the crawling skin and burning, burning, burning, my inside was burning—, Kai watched the retreating back of the green-haired boy with absolute hate, even if he was partly blind by then. How dare he. He worked hard carrying out this plan. He even went through his leader's back just to do this, attacking and leaving the boss in a comatose state so he could work on his plan unimpeded. To create a drug that could erase and bring someone else's Quirk. To create a lot of profit so the Yakuza will rise through the top. So, he could pay the boss back for all of the kindness he had shown towards a street urchin like him, you have to trust me, boss. This is for the sake of our organization—

He'll kill him. He'll kill that brat.

As the only person fated to rule over the foolish citizen and tasked to get rid of the 'sicknesses' from this dirty world, that infected everyone with syndromes of heroism and villainy—

("You're smart, but you gotta learn to trust your instinct." the old man's voice echoed like a second sound. The forgotten words buried within the back of his mind. Words, that he kept on ignoring, "Lion is not a harmless creature. Never is. Especially so when they're sleeping.")

—for hindering his noble duty, Chisaki Kai will definitely kill Midoriya Izuku.

("You have to remember people smarter, stronger than you existed, Chisaki")

Even if he had to wait in the deepest part of the roaring hell.


(When the heroes came to raid the base the next morning, it was already too late)


(A/N): How many is Izuku's victim now? Nine? Ten?

*Remember that there's a bathroom in the torture chamber? There are cleaning supplies there, especially bleach. A ton of them. Kai needed it to clean the blood from the experimentation table as he didn't want blood from victim A get mixed up by blood from victim B. Besides, Kai is a germophobe. Of course, the base will be littered with cleaning utensils `3`

It was easy for Izuku to infiltrated their room because they never locked it. Why would you lock your room when you're basically family? Except if you're in the middle of changing clothes, of course.

He can kill them in their sleep then if he can sneak into their room that easily? Of course, he can. But see. Giving them a slow death is more favorable. Not to mention, the crime of poisoning someone is easy to cover.

Then what about Shin? His death is going to be a clear indication that the death of Shie Hassakai group is not a mere accident. Don't worry. I'll explain that in the next chap `3`