A Hero's Assassination Academia

"Yeah, I'm a student but I can kick your butt if I wanted to."

"Nagisa, you must be excited for something interesting to happen, nurufufufu~"

"Korosensei?!" He looked a little shocked, but expected it.

"Yep! Anyways, I was looking around. Apparently, up the block, some civilians are actually talking about a monster lurking around the streets. you should check it!"

Nagisa's eyes lit up. Korosensei laughed and grabbed his former student, taking him quickly to the site. There was some fire, but the thing that appealed to Nagisa the most was the weirdly shaped monster in the center.

"That looks like a Nomu," he questioned.

"Yes, but it seems like a smaller one. Perhaps a prototype?" Ritsu ringed again from Nagisa's phone.

"At this point, I'm not surprised by your random appearances." Nagisa focused his attention on the Nomu, who seemed to be stomping all over the place.

He jumped forward and lunged at it, grabbing the prototype's attention. They swung their large arms, and Nagisa flipped back to avoid the attack. he responded with a strike of his knife, and kicked it on its head.

'It's exterior is weaker, and it seems smaller. Their attacks seem quicker though. Speed over strength.'

He mentally noted those things before attacking it again. It was much quicker, able to match with Nagisa. How he was to defeat it seemed like a complete mystery to him. Might as well do what he does best. Be quick, silent, calculated, and above all, stay calm.

'Right, left, left, okay I can predict some of his movements, but he's got to have a weak spot. Their eyes maybe? No, wait, is that a cut on the back?'

He jumped over and behind to get a good look at the backside of the Nomu, and saw a bone sticking out in the center of the lower torso. Above it were stitches, signifying it had been patched up messily.

'Yep, definitely a prototype. When I hit it on the head earlier, it seemed to shake him up, but that was it. The back is probably the real weakness. The line is really thin though, so that's going to be hard to slice.'

He was deep in thought before another swing came at him. This time, Nagisa landed a small bruise on his wrist. Back to thinking, and hopefully his senses would let him dodge in time if it attacked again.

He could use his stun gun first and then cut at the back, but the size of it would make it extremely difficult to keep him stunned for long enough. It was the only way though, so he might as well do it.

"Let's go!" Nagisa ran up again, using his quirk to enhance his defense and senses, while jumping high up the Nomu. He plunged his stun gun at the top of his head, and aiming for the back.

He trailed his knife down there until he touched the line, where he stabbed down and pulled on until he hit the bone poking out, making its flesh tear apart and fluids spouting out like crazy.

And he also got hit in the face. That was nice, no sarcasm intended. It started growling in a low tone, and its attacks were uncoordinated.

'That did something. I'm more curious about the bone though. Why is it sticking out like that? There has to be something I'm missing.'

He stabbed the creature with a knife on its arm, but the wound regenerated.

'Okay, so the line on the back is a fatal weakness. If we pull the bone out somehow, would it be destroyed? Something's telling me it's like a foundation for the monster.'

If he got an idea, he'll try it. Nagisa jumped up and stabbed it with the stun gun again, this time putting it at max voltage and tying his jacket over the Nomu's eyes while he was at it. Quickly taking out another knife, he stabbed around the edges of the bone and shaking it to get it out.

After a few more attempts, his stun gun had lost battery, and he was at his last knife. Luckily, the bone was pretty much dangling and the Nomu was suffering a lot of damage. On his final attempt, he stabbed it on the edge again, and the bone pulled out easy.

The creature before him fell, and his skin came loose and the internal flesh started bleeding out.

"I-I'm here...." Kayano huffed. "Wow, that's going to take a while to clean up."

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Yi collapsed in front of the red headed student. He was covered from head to toe in scratches, bruises, cuts, all sorts of injuries. He looked exhausted, tired, and even the demon in his quirk was completely broken.

Karma chuckled at the sight, enjoying watching the boy struggle to get up.

"Come on, don't tell me that's all you've got, Mr. General~"

Yi stayed silent, but the light in his eyes were fading. His normal, playful expression was replaced by a dark, fearing, and scared one. His hands trembled as he struggled to move his demon in the shadow once again, only to be shut down.

"Dammit.....you had to ruin it all again...." Yi's eerily said.

Karma smiled evilly at the boy lying bloody on the floor, before turning his attention towards a pillar made of concrete behind him.

"Rio, I can hear you, ya know?"

Rio didn't bother to speak. She was just shocked, utterly shocked. She couldn't even scream when Karma magically appeared in front of her like he'd always been there.

"It would be a pain if you knew though."

He waved a hand in front of Rio's face, causing her to gently fall on the floor, unconscious.

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Today's image is filtered from the actual anime. It looks really cool though :3