In the Siheyuan, Is This the System from 2025?

After transmigrating to a courtyard house in the 1950s, Li Weiguo waits several years before finally activating the System. It says it will take him back to 2025. Before leaving the courtyard, Li Weiguo corners Lou Xiao'e, sets Old Lady Deaf's bedding on fire, ambushes Uncle Number One with a club, dumps manure on the courtyard's champion Silly Zhu, smashes Second Uncle's window, tricks Qin Huairu, and takes care of the house. He waits for the System to take him home, only for the System to return to 2025 by itself, leaving Li Weiguo in the courtyard forever? Fortunately, the System's rewards are still there, but these rewards...