I Am a Demon Slayer with One Sword

This is a place surrounded by demons in the city and dangers outside the city. Our enemies are not only around us, but also in the deep distance. … "There was once a very powerful monster in front of me, but I didn't cherish it. Now, I just want to say, wherever the monster goes! It's all my experience points!" In an era full of danger, Tong Xiaonong just wants to use his bloody knife to kill it and turn the world upside down. Are there monsters in this world that cannot be eliminated with a knife? If there is... Then one more blow!