Siheyuan: the Military Doctor Retired and the System Became a God

The ace field medic Chen Yuexin was seriously injured after three years of fighting and was forced to retire from the army due to shrapnel residue in his body. Accidentally traveled through the same era of the Love Mansion Courtyard, and was bound to a system of punishing evil and promoting good. On the way to the train, you can catch spies with your bare hands, dismantle bombs, rescue the endangered leader with your skills, and unlock portable farms, spiritual springs, and space magic equipment. He joined the medical office of the Red Star Steel Rolling Mill and relied on his peerless medical skills and hard core strength to overcome neighborhood disputes and counterattack to reach the peak of the era.