Qin Yu (male): An orphan who grew up in the planned area, and later joined the superintendent of Black Street in District 9. After the fight with Yuan Ke, Lao Li was promoted to the position of Chief Councillor, Qin Yu was promoted to the position of captain, and then he fought with Xiao San, and with the help of Feng Si and Si Tong, he was promoted to the position of director. He also set up a pharmaceutical factory in District 9 with Wu Di and Cocoa, made an arms deal with Zhannan, the eighth district, and won the contract management right of District 9 Railway with Gu Yan. Together, they captured Songjiang Prefecture, and then formed their own military forces into a mixed brigade. With the help of Daya,, and others, they stepped onto the historical stage step by step, got rid of the role of chess pieces and took their fate into their own hands.