Tenfold Cashback System: After the Breakup, I Won Over My Ex's Best Friend

Years of devotion shattered in an instant—Chen Jin's girlfriend plots to drain his bank account and run off with a rich heir. But when he activates the mysterious Tenfold Cashback System, every dollar he spends on women who like him returns as ten. His ex's gorgeous best friend has secretly harbored feelings for him all along, and Chen Jin's first purchase for her triggers an avalanche of rewards. Betrayal becomes opportunity as he dumps his cheating girlfriend and discovers that generosity, strategy, and a little system magic can rewrite his entire destiny.