I Became A Clandestine Merchant In Another World

The manipulator behind-the-scenes leads and controls everything from the shadows. "Buy up all the food entering Milan. Let's starve them to death." Drying up the logistics of the opposing army is just the basics. "Give that family some money and get them to betray them properly." Scattering the enemy before the war can even begin. I am the clandestine merchant of this other world.