I Had Jiufen Industry in 1980

The male protagonist Li Jie in 2026 (a small businessman in the digital and mobile phone retail industry for 15 years in the small town of Xinzhou, Jiangxi Province, divorced and childless, 36 years old) takes the system back and forth to 1980. In 1980, Yunnan, Si Settled down in nine places: Sichuan, Guangzhou, Hong Kong, Hangzhou, Shanghai, Beijing, Xi'an, and Harbin. The male protagonist has a different name in each city. He stays in these nine cities for more than a month due to work issues in a year. The male protagonist has nine jobs with different identities. The number ninety-nine is the meaning of heaven. This work is a pure double time travel invincible novel.