I Sold a Toy, So How Did It Spark an Industrial Revolution?

Kong Hui is the director of a toy factory on the verge of bankruptcy. Then he gets an invincible military-industry System. These two completely unrelated events collide, and from then on, the toys sold by Kong Hui's Toy Factory get a little too dangerous. What he never expected was that the toys his factory sold would spark a new arms race across the Blue Star.