Siheyuan: Smeared from the Start, I Strike Back with Everything I've Got

After transmigrating into a Siheyuan courtyard in a bygone era, the protagonist initially enjoys a stable life and a thriving career. But after stumbling upon an affair between neighbors, the entire courtyard conspires to frame him, leaving him with a broken family and career and the scorn of everyone around him. In the depths of despair, he awakens a System and casts off his kind, timid nature, using thunderous methods to sweep away every greedy scoundrel in the courtyard.