City: All My Second-Hand Unused Items Are Orphan Items

Host, your second-hand mobile phone has become an orphan. Host, your second-hand refrigerator has become an orphan. Host, your second-hand clothes have become orphan items. After traveling to a parallel world, he obtained the super orphan system and turned waste into gold. A city trading conference made him the youngest S-class orphan collector in Dragon City. For a time, all major media outlets rushed to report on his deeds, and major financial institutions competed for him. He is Su Mu, a man who changed the whole world with his second-hand idleness. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.