*Swish.*
Li Jin pulled a crumpled map of the Jin State’s hydraulic systems from his tunic and spread it out on the floor. It was a small map, covering about two square meters, and it looked grimy, stained with patches of oil.
Cheng Han’s face filled with suspicion, and he spoke bluntly. "Li Jin, you didn't use this thing to wipe your backside, did you?!"
Chapter 180