The Happy Life the System Gave Me in the Siheyuan

[Siheyuan setting + transmigration + space + multiple female leads + multiple TV dramas] Cao Cao is selling things from a street stall when the city management officers chase him away. As he runs, he accidentally gets hit by a car and dies. He transmigrates into The Bustling Siheyuan. By chance, he awakens a space-based salvage System. After only a few attempts, he salvages [Lü Bu's spirit possessing him]… along with one of the Three Great Wei Martial Arts: [The Pushing and Swaying Hands], and countless other benefits that never run out. In this era of scarcity, he finds himself surrounded by romance and begins a bright, carefree, and happy life.