The Story of Salvation Between Me as an Old Sword and a Piao

"You have died once for mankind. From now on, live for yourself." The boy who grew up under the Five Stars and yearned for the spirit of chivalry became the strongest Arthur without the Thirteen Seals, the pure and beautiful knight of salvation. I came to this world with my own mission on my back. Of course I will help you in this battle to save the world. If this sword can add some help to you, then I will fight for you wholeheartedly. Let's start the battle game! I won't be merciful from now on! Challenge me with all your willpower! Comments are welcome if there is anything wrong with the newcomer's novel.