Scabbard Sword

One is a so-called devil who follows the teachings of his master, behaves evilly, and has a lot of crooked ideas; the other is the son of the leader of the martial arts league, who is upright and does things according to the rules, which even gives his parents a headache. A martial arts conference, a peerless sword, a martial arts treasure, and the old-fashioned grievances in the world. The angry one and the sad one, who is right and wrong in this world~~