Siheyuan: Sign-In Engineer, the Whole Courtyard Gets Hauled Off to Jail

In 1963, Li Zheng, a top-secret scientific research expert at the 541 Institute, returns home in glory and activates the God-Tier Sign-In!

He gets a god-tier fitter skill from the start! Jia Zhangshi dares bully my grandma? Li Zheng kicks her flying!

Qin Huairu wants to leech off him? He exposes her in public and sends her packing! Silly Zhu wants to take the blame?

Li Zheng sets him up to get drunk chasing a chicken and sends him to the station! Xu Damao spreads filthy rumors? Li Zheng reports him for sexual misconduct, making him marry the shrew Hongfen and lose everything!

Li Zheng joins the steel mill and repairs a Soviet-made machine tool in half an hour, shocking Director Yang. He is hired as an engineer at a monthly salary of 99! He invents a turbocharger, solves the problem of transporting goods across the plateau, and is personally received by the number-two leader!

He heads east to Shanghai, goes north to Fengtian, monopolizes the black market, and makes tens of thousands!

He marries the gorgeous educated youth Pang Di. The wedding comes with the three big items and a bicycle, sewing machine, and watch, leaving Xu Damao so furious he goes bankrupt on the spot!

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.