Reborn as Nezuko

炎 パート1

You and Zenitsu fight the tentacles for a couple of minute now. Once in a while you saw Rengoku pass through the both of you towards the front car. So you know that he just told your brother to take the demon out while the three of you are protecting the passengers.
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Moments later you were shocked at the sudden scream md wildly shaking throughout the whole train. 'This... Big brother just defeated Enmu'.

Soon after you found yourself holding on the passengers not to be flung all over the place because the train is now crashing. You got a glimpse of Rengoku doing a bunch moves just to leesen the impact of the crashing train.
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You didn't notice that you just lost your consciousness
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Meanwhile...

Tanjiro continues to breathe heavily. Rengoku appears before him."I see you've mastered Total Concentration, Constant! Impressive!""Mr. Rengoku...""After all, Constant is the first step toward becoming a Hashira. Although, there might be10,000 steps before you can become a Hashira.""I'll do my best..." Tanjiro said.

"You're bleeding from the abdomen. You have to concentrate and improve the precision of
your breathing.Make your nerves reach every corner of your body.There's a blood vessel. A torn blood vessel.

Tanjiro continues to breathe heavily.Rengoku Concentrate harder.Tanjirou closes his eyes. In his concentration, he finds the torn blood vessel. "That's it. Stanch it. Stop the bleeding." Tanjiro's blood continues to flow. Rengoku pokes his forehead."Focus."Tanjiro focuses again. The bleeding stops, and Rengoku stops poking Tanjiro's forehead."Haa...""Great! Looks like you stopped it.You'll be able to do all kinds of things when you master breathing.Not that you'll be able to do everything, but you'll become a stronger version of yourselfthan yesterday for sure." Rengoku said

'Everyone is safe! There are hordes of injured people, but no one's life is in danger.
Don't strain yourself. Take it easy and rest up." Rengoku said. "Thank you very much." Tanjiro said.

When suddenly someone arrives at the wreckage of the Mugen Train. His presence is heavy. Rengoku turns to this unknown demon ready to draw his sword. Tanjirou struggles to see the demon but sees thathe is Upper Rank 3. "Ahh... Ah!" 'Upper... Three? What's he doing here right now?' Tanjiro thought

The demon launches forward and prepares to punch Tanjiro in the head but Rengoku related fast 'Flame Breathing, Second Form!'Rengoku slices through the demons arm. 'Rising Scorching Sun!'The jumps back and fuses his arm back together instantly. 'That's a fine sword.' He said

'He sure can regenerate fast. This heavy and overwhelming demon aura...So, this is an Upper Rank.' Rengoku thought"I can't understand why you'd go after a wounded person first." "He could get in the way of the chitchat between you and me." The demon said"What would you and I have to talk about? I'm meeting you now for the first time, but Ialready dislike you."

"Is that right? Well, I loathe weak humans, too. The sight of a weakling makes my skin
crawl.""Then it looks like our senses of value are completely different." Rengoku said"All right, then I have a brilliant proposal for you.Why don't you become a demon, too?" "I will not.!" "I can tell your strength at a glance. You're a Hashira, aren't you?Your fighting spirit has been honed to the hilt. It's close to the realm of the highest."

"I'm the Flame Hashira, Kyoujurou Rengoku." "I'm Akaza." The two said telling each other's name.

"Kyoujurou... Let me tell you why you can't enter the realm of the highest.It's because you're a human. Because you're going to grow old. Because you're going todie.Become a demon, Kyoujurou.Do that, and you can go on training for a hundred, for two hundred years. You can
become stronger."

"Both growing old and dying are part of the beauty of being an ephemeral creature like a
human.The fact that we grow old and die is what makes human life so unbearably precious and
noble."Strength" isn't a word used to describe just the body.This boy isn't weak!Don't insult him.I'll repeat it as many times as it takes. You and I have different senses of value.No matter what the reason, I will not become a demon!