異世界刀匠の魔剣製作ぐらし

One day, Lutz, an unknown blacksmith, produces the greatest sword of his life. ...However, due to a certain incident, he had to give up his sword. He has no inscription on the sword, and he cannot prove that he was the one who struck it. However, the sword he struck emitted such beauty and fear that it disturbed the hearts of those who saw it, and it passed through the world and people, eventually bringing about an encounter that would greatly change Lutz's destiny... A blacksmith fantasy in which an anonymous blacksmith and a nameless sword move people's hearts and destinies!!