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Wei Ran, an ordinary college student, was accidentally possessed by the system and gained the ability to upgrade items by consuming experience points. Any inconspicuous item can be turned into a magical prop in his hands! From then on, Wei Ran played in various fields, and accidentally became the richest man on earth and the creator of black technology! Of course, in addition to making money, Wei Ran has not forgotten to engage in side jobs, such as playing the world's top hacker, using black technology to enhance China's military power, maintaining world nuclear equality, etc... Book Club Group: 162471109