Parasite

[Issue: 3 hints were given in 3 separate chapters. At the start of the next chapter, I will tell you where the characters are from.--All the guesses: Yugi Muto and Atem, Yuji and Sukuna, Ichigo and White/Zangetsu, Naruto and Kurama, Moonknight, Killer bee and 8 tails, Issei and the dragon, Deku and OFA predecessors, Rimuru tempest/great sage, Raphael etc., Bruce Banner and Hulk, Ghost Rider, Balud Cornelius/Oka Sadatoshi/Oka Masaharu, Tsunayoshi Sawada and reborn, Seras Victoria and Pip Vernedead, Ken Kaneki and alter ego, Asta and Liebe, Park Hyunsoo and the heavenly demon, Hizuru Minakata, Eddie Brock And Venom. (All wrong)]

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Inside the mind space, and after almost 2 months after Ryoto revealed to Zoro that he was experiencing his memories, Zoro's subconsciousness was finally able to extract information from Ryoto's new memories.

'I was a pirate before, huh,' Zoro asked, sipping on the imaginary booze.

'Wait, what?! How do you know about that? I did not tell you that,' Ryoto exclaimed, questioning Zoro.

'Don't know. I just know somehow,' Zoro replied.

'Hmmm... Alright. Can you tell me more about your Quirk? It seemed so versatile. I need to know more about it if I am going to explain it to those interested,' Ryoto said.

'There are few things I am sure of. Our stamina is the source of the power. Reinforcing our body and the objects we touch drain this stamina. Then there is the breath of the things around us, you said you sensed it, right?'

'Yes.'

'The body is still too weak to handle all of its power. Now we have become like Deku. Fuck, I hate this body. Harsher training awaits as soon as we recover. We need to become stronger for the U.A sports festival. We can't lose to someone that creates ice that is harder than certain metals. Shoto has yet to use his fire, and we surely lack the capacity to deal with heat.'

'Are you saying that Shoto is the worst matchup we will have in the sports festival?'

'In the sport festival, yes. In Hero work, the Nomu, if All Might wasn't able to defeat it. That thing didn't even look human. We need more information once we wake up. You handle it, Ryoto. I will take a nap until the body recovers.'

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BEEP BEEP BEEP

Waking up at the hospital for the second time in 2 months was not how Ryoto imagine his Hero-course to look like.

The usual white room, but this time with a better view and a different roommate.

"Sensei, is that you," Ryoto asked the fully bandaged and long, black-haired man.

"Yes," he responded, his voice muffled.

"Seems painful. Two broken arms, fractured skull and probably cheek fracture. I hope you're not in any pain. What happened to the Nomu? Do you know anything," Ryoto asked.

"All Might launched the Nomu out of the USJ. When it was found 20 blocks west of it, the Nomu was trying to regenerate, but the police managed to apprehend him in time. And before you ask, Shigaraki and Kurogiri managed to escape, while the other Villains were caught with the help of your classmates. Iida was also the one to get help," Aizawa explained.

"Shigaraki and Kurogiri," Ryoto asked.

"The leader, Shigaraki and the warp Quirk Kurogiri.

"Good," Ryoto said as he pressed the button that called a nurse.

"How were you able to take a hit from that beast? And also, your speed with your last attack - it seemed to be more than just Sharpness," Aizawa said.

"My Quirk evolved. There is so much more I can do now," Ryoto lied.

"I see..."

A few second later, the nurse entered the room.

"Oh, Mister Sleepy is awake now. I will get the doctor," the nurse said as she left again.

"Sleepy," Ryoto asked his teacher.

"You have been sleeping for over 30 hours. I asked what was wrong with you, but the doctors couldn't tell me because of the patient and doctor disclosure," Aizawa revealed.

When the doctor came to talk with Ryoto, Ryoto asked if they could go somewhere private, as he did not want his teacher to be present when more details were bound to be revealed that even Ryoto and Zoro did not know.

"So, Ryoto Matsuda. Your previous emitter type Quirk seems to have evolved into a transformation and mutant type. We did a deep scan of your whole body. From your bones, to your brain, and all the way down to your DNA. What we found was two abnormalities. The first abnormality was found in your brain. The usual 5 to 20 percent brain usage was not present when we scanned yours. It showed us that your were constantly above 50 percent. The second abnormality was in your DNA. The reason we think your emitter type Quirk turned to a transformation and mutant Quirk was taken from there. But first, let me tell you the difference between transformation and mutant Quirks. Transformation Quirks have certain control over the body, your classmate has a transformation Quirk. A mutant is born with some DNA information altered by the Quirk factor. But in your case, the transformation slowly alters your DNA. We guess it's a phase that will lead to a stronger form in the future, but your body seems to reject this transformation for some reason," the doctor explained. "We advise you to go to Doctor Garaki for a better diagnose and maybe better treatment. He is the best Quirk researcher in the world."

"I see...," Ryoto said, looking defeated. "Is there a chance that this rejection can become lethal for me?"

"We can't say, but what we do know is that the process will be nothing but painful. Maybe you can explain the powers of your evolved Quirk, we may be able to make a connection," the doctor replied.

"My emitter Quirk 'Sharpness' enhances the sharpness of anything I choose. But after my Quirk awakening, I noticed that my stamina was being depleted faster than usual. I think I was overclocking and enhancing my body too much," Ryoto said, keeping some information hidden. "How much time would it take for the transformation to finish?"

After writing the initial information about Ryoto's Quirk down, the doctor answered Ryoto's question. "Depends on how much stamina you drain. Quirks are like a muscle. The more you train it, the stronger they should become. But it's also weird how your Sharpness turned into a mutation and transformation Quirk."

"I was always able to turn my body into a sharp object. If overused, I would start cutting myself instead of just emitting sharpness."

"I see. So, what will you call the first triple-typed Quirk?"

"Reaper's Sharpness."

"Reaper's Sharpness it is, then. I will update the Quirk logs later. Your school will know about the change, just so you know."

"Don't tell anyone else though, ok? I might just be too sharp to handle," Ryoto threatened.

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'Zoro, your Quirk is altering my DNA,' Ryoto said after being discharged the same day.

'What's that,' Zoro asked, not knowing what DNA even was.

'A human body's information. DNA tells you what and how you are. And you are changing how I am,' Ryoto explained.

'Shit... Is there a way to deal with it,' Zoro asked.

'I don't know. Maybe it's your Quirk. We should train it, just as you said,' Ryoto planned.

Zoro's Quirk wasn't really the reason for the body's DNA to change. There were two scenarios. Scenario one, Ryoto's understanding of the body, mind, soul, Quirk and swordsmanship was greater than Zoro's, eventually expelling Zoro's soul from his body once there was a clear gap in strength. Scenario two, Zoro would never let Ryoto surpass him strength-wise, gradually altering the body's DNA until it turned the body into what Zoro considered to be the perfect one, expelling Ryoto's soul once the DNA was completely altered and Ryoto's information did not remain. This information was still unknown to Ryoto and Zoro - only time would tell them, and it would tell them that Zoro was almost like a parasite.