I Became a Swordsman in the Mortal World

[This is a story about a man who has been raising a sword for ten years, but the sword has not been taken out of its sheath. [This is the story of a mortal boy who became a swordsman step by step. "I Prove the Sword Immortal in the Mortal World"—— The sword is already legendary even before it is unsheathed.