The Double-Sword Sword Master Who Started in Konoha

Kazuki Shimizu, armed with two swords at his waist, stood on the top of the mountain and announced to the ninjas in each village below the cliff: "If you want to challenge me, come together." Ichiki, who left behind a broken army and broken swords, turned around and left, and heard a sentence in the wind: "There is nothing more lonely than being invincible in the world."