The Gap

Tetsu no Sosuke asked, "You haven't forgotten, have you?"

The two brothers hurriedly shook their heads. Throughout the journey, they had gone over every word of the Breathing Technique in detail until they knew it by heart.

Tetsu no Sosuke nodded in satisfaction. "Then starting today, you'll try practicing it. If you can't master my Breathing Technique, I'll have to ask Kanae to teach you hers."

His expression turned solemn.

"I've told you about the Breathing Techniques passed down through the generations. They're the reason the Demon Slayer Corps can stand against Demons. They can greatly improve the body, granting a person tremendous physical strength in a short time. Many Breathing Techniques have survived to this day. Breath of Thunder, Water Breathing, and Breath of the Wind are all exceptionally powerful. But I'm not teaching you any of those. I'm teaching you the source of them all: Breath of the Sun! It was used by Yoriichi Tsugikuni, the strongest Swordsman of a thousand years ago. With this Breathing Technique and his Swordsmanship, he nearly killed Kibutsuji Muzan... Unfortunately, Kibutsuji Muzan outlived Yoriichi Tsugikuni. Otherwise, there would be no Demons left in the world.

"Breath of the Sun is immensely powerful, but it has one fatal problem! Unless someone has a special constitution, they can't use it at all!

"And I chose to teach you because the blood of the Tsugikuni flows through your veins. Perhaps Breath of the Sun will shine in a new way through you!"

Chapter 285: The Gap

Tetsu no Sosuke's words made both brothers nervous.

No matter how they looked at it, this sounded difficult.

And if they failed to learn it, they would have to study another Breathing Technique... one that surely would not be as powerful as Breath of the Sun.

Besides, would a