The Unaware Sword Saint Who Trained for 100 Million Years: Overwhelming Another World with the All-Purpose Divine Artifact Mocked as a Mere Stick and the “Sword Demon” Persona Born from Extreme Training

One boy, one stick, and a hundred million years of solitude. When Ichitaro Yamada was summoned to another world as a hero, he was branded useless and cast into a timeless prison. But where others would have broken, Ichitaro found his purpose: absolute mastery. For eons, he forged his spirit and mind into the ultimate weapon, evolving into a legendary Sword Saint. Now, the gates are open, and the world that discarded him returns to face a god-like power they cannot possibly comprehend. Witness the rise of the Sword Demon. Read Chapter 1 now!