Holding the Yellow on the Left and Holding the Blue on the Right, I Am Very Rampant in Xing'an Mountains

A special police dog trainer accidentally traveled to Erliuzi and discovered that the mountain behind his home turned out to be Xiaoxinganling. Although there is no system, the police skills in the previous life are the best cheats. He bought a gun, trained a dog, and took off with his widowed wife~