Shuttle Between Two Worlds: Mass Production of Nuclear Bombs to Save China

Zhang Wei, a three-good young man in 2026, was awarded a complete blue star by the underworld for his perfect merits after his death - exactly the same as the earth except for no one. He originally thought it was a dungeon for retirement, until he discovered that it could take people between two worlds. On National Day, he landed on the tower in 1949, behind the great elder. Since then, the rules have changed! [Merit system + two world logistics + technology crushing + global conquest]