After Chika uttered those words, everyone was momentarily speechless, because Chika's words were too powerful.
Zenitsu: So...so handsome...
Inosuke: That's the spirit! Boss!
Tanjiro: Muzan... I will definitely kill you with my sister to settle this score!
Upon hearing Chinatsu's words, the young man who originally wanted to join the Demon Slayer Corps finally gave up. He said that he would silently pray for everyone, and everyone understood and accepted his sentiment.
Since it was getting late, at the invitation of the young men and women, everyone stayed at their house for the night. Because their house was not big, it was naturally impossible for each person to have their own room.
So Tanjiro and the others huddled together in one room, while Chinatsu carried the wooden box containing Nezuko to another room.
After entering the room and closing the door, the wooden crate was pushed open from the inside, and Nezuko slowly crawled out, looking as if she could finally get out. With a "plop," she spread out her body and lay on the ground.
Nezuko really suffered. She hadn't spoken for so long and had to stay in such a small area as the wooden box, unable to move freely. Chinatsu looked at Nezuko lying on the ground, stretching out her limbs, and thought that she should find an opportunity to let Nezuko try to overcome the sunlight.
"Nezuko, would you like to practice your breathing techniques and swordsmanship?"
"Uh-huh!"
Upon hearing this, Nezuko immediately scrambled to her feet and sat up straight, displaying the demeanor of a model student that would make any school teacher proud.
Nezuko's progress in learning Water Breathing is not high; she is far from reaching the point where she can produce "special effects."
However, considering that Nezuko has only been seriously training for half a month, this level is normal. But if Nezuko really wants to put Water Breathing into actual combat in the future, it might be a bit too late...
In the not-so-spacious room, Chinatsu was teaching Nezuko the Water Breathing technique, while Tanjiro's room felt even cramped because the three of them were crammed together.
"Get over here."
"It's already very crowded here, okay?"
Inosuke is on the left and Zenitsu is on the right.
Tanjiro is in the middle.
Despite the jostling between the two, Tanjiro, in the middle, remained undisturbed, quietly maintaining his gentle breathing as he slept.
"Tanjiro can sleep way too much."
"This guy... his breathing is a little different from ours."
"Please, isn't it normal for that person's breathing rate to be different?"
"No, can't you sense it? Tanjiro's breathing right now?"
"Um?"
Zenitsu, heeding Inosuke's words, got up from his lying position and carefully observed Tanjiro, who was sleeping.
A few seconds later, Zenitsu's previously calm face suddenly became unsettled, even twitching.
"Wait! Wait! Wait! Full...Full concentration breathing?! Tanjiro is doing full concentration breathing right now, can I be seeing things? Is Tanjiro pretending to be asleep?!" Zenitsu exclaimed in shock.
Inosuke, who was standing nearby, stared blankly at Tanjiro as he slept, and then suddenly reached out and covered Tanjiro's mouth and nose.
One second...
Two seconds...
Three seconds...
Tanjiro suddenly opened his eyes and sat up from his lying position.
What are you doing?!
"Tanjiro, tell us the truth, you were just pretending to be asleep, weren't you?"
"How could that be? I really did fall asleep just now."
Tanjiro blinked, puzzled. When he learned the reason for their confusion, he couldn't help but chuckle softly.
What are you laughing at?
"It's alright, it's alright. I really wasn't pretending to sleep. It's just that my sister and I have trained to the point where we can concentrate on breathing 24 hours a day. That's why my sister and I are so strong," Tanjiro explained with a smile.
"Twenty-four hours... twenty-four hours!!!"
Zenitsu and Inosuke were completely dumbfounded. If they hadn't both believed that Tanjiro wouldn't lie and had actually seen Tanjiro breathing in full concentration while sleeping, they would never have believed it.
Maintaining full concentration through breathing is exhausting. You'll be too tired to continue for more than ten minutes and will find yourself breathless. How can you maintain this for 24 hours, even while sleeping?
"Tanjiro...you and my sister are really too cruel..." Zenitsu said, beads of cold sweat dripping down his face.
Inosuke, standing nearby, had a gleam in his eyes and said, "So, if I can also concentrate all day long, I can defeat the boss, right?"
"Um... the gap will at least narrow, that's for sure." Tanjiro replied after thinking for a while.
Actually, he really wanted to say that even if he mastered "Total Concentration - Normal Centrality", it would be difficult to compete with his sister. After all, he had mastered it himself, but in a real fight, he was still completely suppressed by his sister.
Chinatsu's special physique gives her powerful physical abilities, enabling her to perform many actions that ordinary people cannot. Despite sparring so many times, Tanjiro has never won against Chinatsu.
I won't go into that; having drive is a good thing.
"If you want to learn, I can teach you, although I don't know if I have the talent for teaching," Tanjiro said kindly.
Zenitsu and Inosuke looked at each other. Inosuke nodded in agreement without hesitation, while Zenitsu hesitated for a moment before saying that he could give it a try.
However, Inosuke and Zenitsu soon regretted it. Forcing themselves to use full concentration breathing beyond their physical limits made their bodies feel like they were being beaten up, and their lungs felt like they were on fire.
"Ouch! Ouch! Ouch!!! Tanjiro, how did you do that?!" Zenitsu lay on the blankets, his whole body wriggling like a worm.
Inosuke wasn't much better; his basic skills were the worst among the three, but he was strong enough that he could last even less time than Zenitsu.
Tanjiro sat on the ground, looking at the two somewhat distorted figures with a smile, and said, "It's normal. Just practice more, everyone is like this at the beginning."
Just practice more.
Inosuke and Zenitsu suddenly realized how wonderful it would be to have a good night's sleep.
The next day, in the morning.
Zenitsu and Inosuke staggered out of the boys' room, their bodies aching all over. It was clear that their bodies hadn't recovered from overusing Total Concentration Breathing.
Chinatsu came out of the room carrying a wooden box with Nezuko inside, her face smiling and her expression relaxed.
Although she failed again and again in her attempts to see through the world, she was used to it. Nezuko's breathing technique had improved a lot last night, which was why Chinatsu was happy.
The crow that announces the next mission flies outside the house; the next mission is the last dungeon before the Death Dungeon.
Nata Spider Mountain
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