Siheyuan: Shagen's Counterattack

The protagonist Niu Gensheng works part-time as a delivery boy at night. He travels to the world of a courtyard house in 1955 because of rescuing an old man who jumped into the river. At this time, Shazhu was just twenty years old, Qin Huairu had only married into the Jia family for two years, and Xu Damao was seventeen. The protagonist is reborn in the body of the old man who jumped into the river seventy years ago. Niu Gensheng, 20 years old, both parents died, working as a fitter in Lou's Iron and Steel Factory. The old man was disheartened and grateful that there were still people who could save his life at the last moment. He voluntarily gave up this chance of rebirth and returned to the underworld, but left his life's memories to the protagonist. Goldfinger: (1) Superpowers are better than others. As long as you give intentional or unintentional advice to the protagonist, or feel grateful, the protagonist can master the person's skills or talents. (2) A static space with a length, width and height of 100 meters.