After Becoming a Miracle Doctor, I Dominated Siheyuan!

Chen Yu unexpectedly transmigrated into a courtyard compound. His father had died, his mother was gravely ill, and he had a very young sister. The scheming residents took turns finding ways to bully him. After binding himself to a System, he changed the original owner's fate against all odds. With his superb medical skills, he became the biggest winner in the courtyard.