Siheyuan: the System Is Added at the Beginning, and the Fool Is Beaten Violently

Traveling through "The Courtyard of Love", Zhang Weiguo obtained a god-level check-in system and became physically stronger after genetic modification. In the beginning, he hammered the stupid pillar angrily, and fought hard against the third uncle and the deaf old lady. With the inheritance of medical knowledge and massive supplies, he took revenge in the beast's den and changed his life.