Me: No. 1 in the World

I am a good person, but the world is unfair. In order to bring peace to this world, I held a knife in my left hand and a sword in my right hand, and I cut down people from the street to the end of the alley, from the countryside to the palace. I cut from March 3rd to September 9th, from early spring to midsummer. Along the way, there were mountains of corpses and seas of blood. When he came back to his senses, he was already number one in the world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.