Siheyuan: I’m a Purchasing Agent from the Start, and I Have a Sign-In System

Li Jun transmigrates to 1958 in the world of Love in the Courtyard, where he becomes a technical secondary school graduate and starts work in the steel mill's purchasing department. After awakening a sign-in System, he decides to keep his distance from his beastly neighbors, quietly stockpile supplies during the extraordinary times, and improve his quality of life.