A Knife in the World

An ignorant boy wanders into the world, I can swing my sword to the end of the world with ease. Pick up the strong and help the weak to conquer the world, I will slaughter all those who act against the will. This is a world of knights! This is a world of warriors! Knights live in the Jianghu, and warriors pacify the world. Let's see how the young man becomes a true knight and how he navigates this chaotic world...