Siheyuan: Hit My Top Secret and Backhand the Entire Courtyard for Target Shooting

[Siheyuan] [System] [Era] [Shuangwen] [Great Power Heavy Industry] The evil neighbor tried to exterminate the family, but he committed suicide and broke the top-secret medal! The heinous crime caused the army to be surrounded with guns! Watch how Gu Jianjun fights back hard and destroys all the beasts in the courtyard!