Being a Traitor in Two Worlds: Beginning 1985

[Era + daily life + villains from both worlds + multiple heroines from both worlds + career type] A sudden change occurred in Li He's family. In order to prevent his 16-year-old sister from marrying 28-year-old Wang Mazi, he had to repay a debt of more than 5,000 yuan within a month! For a peasant family in 1985, this was an astronomical figure that was simply impossible! At this moment, Li He suddenly discovered that he could travel back and forth from 1985 to 2026. In the 1980s, the northwest was backward and poor. Li He gradually became a giant of China by bringing modern materials, technology, etc. Back to that era!