Fighting System

"Editor, I want to change the title of the book: "The Fighting System". I don't want to fight the streets anymore." "No!" "The title of my book published in Traditional Chinese is "Supernatural Door". Can I change the title to this one?" The editor hesitated and said, "The title already exists! If you want to change the title, you must resubmit the contract." "Uh... Let's forget it then!" What a cheat! Ps: This book is a fantasy novel!