After 20 years of selfless devotion, Ethan is left for dead in the hospital by his ruthless fiancé and her son, who refuse to pay for his life-saving surgery just to steal his savings for a wedding! Just as all hope fades, Ethan miraculously awakens the "100x Cashback System"—every dollar he spends on himself is returned a hundredfold! Starting with a cheap pack of cigarettes, he begins a wild spending spree, buying out factories, purchasing luxury cars, and effortlessly crushing the snobs who once looked down on him. Facing the endless schemes of the cold-blooded mother-son duo and ruthless business tycoons, can this former poor cook use his infinite wealth cheat code to launch the ultimate revenge and make his betrayers beg for mercy? As power and wealth are reshuffled, a thrilling underdog counterattack is about to unfold... Just how massive will his ultimate business empire become?
