Demon Slayer: Strength Gained with Every Swing of the Sword

In the following days, Feng Yu did not see the figure of Shinobu Kocho again.

Feng Yu guessed that she must have become engrossed in her research on the Body-Cleansing Pills and couldn't pull herself away from it.

Feng Yu really wanted to go out and kill demons, complete the three Demon Slayer Corps tasks, and unlock the simulation function. Once that happened, his strength would rise to the next level.

But Shinobu Kocho had ordered the three little ones in the temple to keep a tight watch on Feng Yu and force him to rest without injuries, only allowing him to move about within the Butterfly Mansion.

Of course, it wasn't just the three little ones keeping watch; there was also Kanzaki Aoi supervising from the side.

"It's a pity," Feng Yu lamented, "I wanted to spar with Shinobu Kocho and compare my strength with that of the Hashira in the Demon Slayer Corps..."

The vast training field was empty, except for Kanao , who was madly swinging her Sword under the scorching sun.

"Hey!"

Feng Yu called out to Kanao .

But Kanao ignored him completely and kept practicing her sword techniques.

"Wow... She just ignored me like that..."

Feng Yu shook his head helplessly.

He took out his Nichirin Sword and began practicing his own sword swings.

During this time, Kanao acted as if she hadn't seen Feng Yu, moving her arm like a soulless machine.

Feng Yu noticed how calm her breathing was. Despite the long hours of practice and the sweat covering her body, her breath remained perfectly steady.

"What an amazing person..."

Feng Yu thought to himself. "If it had been me before, my breathing would have been all over the place."

"Haah..."

Feng Yu cleared his mind of other thoughts, emptied his heart, and began searching for the third form of the Breath of Light.

But after a long while, he had no clue.

"Where did I go wrong..."

"Breath of Light... Breath of Light... Light..."

"Yes... Light!"

Feng Yu looked up at the sky, squinting against the blinding light, but his mind suddenly saw a glimmer of understanding.

"My Breath of Light cannot be separated from the light that is everywhere..."

"I lack the ability to sense it, but light is all around us—sunlight, moonlight... all kinds of light. I rely on light, and light is my tool..."

"If I can link with the light... then the light will become my eyes..."

The more Feng Yu thought about it, the more he felt it might be the key.

The Breath of Light's rhythm began to surge within him, and Kanao seemed to notice, lowering her Sword and watching him as he continuously swung his sword.

To Kanao , Feng Yu's body seemed surrounded by countless lights. Those lights moved in harmony with his breath, growing brighter with each inhalation.

Kanao didn't make any further movements, seemingly afraid of disturbing him. She simply stood quietly, watching him as he kept experimenting with the new technique.

"Impressive..."

Kanao muttered to herself, her expression neutral, but there was an unmistakable hint of approval in her voice.

After a long while, Feng Yu stopped and smiled.

"The third form is almost there. If I continue down this path, I should have the third form of the Breath of Light perfected in a few days..."

Feng Yu wiped the sweat from his forehead and grinned.

He turned to Kanao , but only then did he notice she was staring at him.

"Hey, Kanao ..."

Feng Yu greeted again, but Kanao simply turned away, expressionless, and resumed swinging her sword.

Feng Yu: "..."

Meanwhile, far away, when Lower Rank Three, Tokiya, was killed, the handsome nobleman, leisurely drinking coffee and reading a book, suddenly had his black eyes turn red.

"Tokiya is dead? What a waste..."

"The green Sword ... unfamiliar face... that dazzling light..."

Muzan Kibutsuji murmured.

"A Hashira-level person has appeared on the Demon Slayer Corps' side..."

...

Feng Yu had no idea he had already caught the attention of Muzan Kibutsuji. At this moment, he was only focused on researching and mastering the third form of the Breath of Light.

He even had a name for it—The Breath of Light, Third Form: Guiding Light.

But after a few more days, he still hadn't reached the final step.

Feng Yu was starting to feel impatient, but another voice in his mind kept telling him that maybe it just needed a trigger.

Another two days passed, and Feng Yu became completely laid-back. He practiced his sword daily, earned some meager income from swinging his Sword , and spent the rest of the time petting Xiao Bai and teasing Xiao Hei.

Life was rather carefree.

But what was bound to happen, eventually did.

On the fifth day, Feng Yu finally met Shinobu Kocho .

"You... What happened to you?"

Feng Yu noticed that Shinobu Kocho seemed in poor condition, her eyes bloodshot.

"Feng Yu-kun, long time no see..."

"Well... Can you give me another Body-Cleansing Pill?"

"I've run out of materials after researching it these days..."

Shinobu Kocho blushed as she spoke.

"No... No problem..."

This was the first time Feng Yu had seen Shinobu Kocho like this, looking like the sleep-deprived youth of the past, mentally drained.

"Butterfly... Shinobu... Miss... Shouldn't you rest for a bit..."

Feng Yu couldn't bear to see her continue her sleepless research.

However, the next words from Shinobu Kocho surprised him.

"Feng Yu-kun, we need to go meet the leader!"

Shinobu Kocho said with a smile.

"The leader! Wait... The leader wants to meet me?"

Feng Yu's face showed disbelief.

"What's wrong, Feng Yu-kun? Isn't it normal for the leader to want to meet you? We're both part of the Demon Slayer Corps, and we're also the leader's children. Plus, you single-handedly killed a member of the Twelve Kizuki. Maybe this time you'll become a Hashira..."

"Hashira..."

This time, Feng Yu was truly stunned. He never expected this to happen so quickly.

"What's wrong, Feng Yu-kun?"

Shinobu Kocho noticed Feng Yu standing there, deep in thought, and interrupted his musings.

"Uh... Nothing... Let's go now..."

Feng Yu snapped back to his senses and quickly said.

"Mm, let's go."

Then, two individuals dressed in black cloaks with the large "Hidden" insignia appeared and led Feng Yu and Shinobu Kocho toward the Demon Slayer Corps headquarters.

All the while, Feng Yu couldn't calm his emotions.

Whether it was meeting Kagaya Ubuyashiki or any of the other Hashira-level individuals, he wasn't prepared for it.

But it was happening, and there was no turning back.

"Well, it's inevitable. Just like the saying goes, when the enemy comes, we fight; when the water comes, we build dams."

Feng Yu suddenly remembered a phrase.

"Don't chicken out—let's go together!"

And so, Feng Yu and Shinobu Kocho , under the guidance of the Hidden staff members, arrived at the headquarters of the Demon Slayer Corps.

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