The Sword Helps the Common People

I come out of the pain and save the pain again! Transform your mind into another world and help the common people! Dude, are you showing off with a sword? What? You say you are invincible? What is the sword used for? Kill, protect relatives, protect friends! The mountains and rivers are pure, one sword! Break the path and become a demon, with one sword! Dude! There is nothing wrong with me being invincible! Prequel "What Sword Do You Use"