Siheyuan: Level 7 Fitter, the More Apprentices You Have, the Richer You Will Be.

Reborn in the courtyard, Li Jiandong became a taciturn but highly skilled seventh-level fitter, and unexpectedly unlocked the apprenticeship system. For the benefit of the system and to gain a foothold in the mixed-race courtyard, he took the initiative to accept Jia Dongxu as his apprentice, and secretly planned to expand his apprenticeship territory. Faced with Yi Zhonghai's envoy and Yan Bugui's request for help, he relied on his skills and wisdom to control the situation step by step and became the invisible helmsman of the hospital.