Gambler of the Southern Song Dynasty

[No system, farming, special zone, war] A simple mountain village boy traveled through time and became a gangster in the late Southern Song Dynasty. Due to gambling debts, he was forced by thugs to sign a life-threatening contract of prostitution. Even his right to speak was restricted. How to escape? The protagonist develops technologies such as mimeograph, lithography, and movable type printing, as well as promotional and educational tools such as comics, books, newspapers, and magazines, and produces economic documents such as exquisite banknotes and securities. This not only arouses the covetousness of all parties, but also becomes the focus of competition between China and Mongolia. The protagonist is stronger when he encounters setbacks and has accumulated a lot of experience. How will history change? Will there be a battle on Yashan? Please wait and see!