Take Your Little Brother to Fight the Three Kingdoms

Lu Renjia traveled to the Three Kingdoms. In order to return home, he had to fight against the Three Kingdoms with the historical heroes summoned by the system. Qin Qiong fights Guan Gong, I think it will work. After more than 1,300 years, is Qi Jiguang still a handsome man... Lu Renjia: "Calling me lord is too weird, please call me big brother!" Xiao Ai (system) "Okay." Lu Renjia: "How can I defeat the heroes of the Three Kingdoms if I am so useless?" Xiao Ai (System) "In order to make it easier for the host to defeat Cao Cao and others, Xiao Ai will provide the host with something that is impossible to exist."