My Secret Billionaire Savior

Game architect Leo Landon is humiliated by ex-girlfriend Mandy Lynn for being unable to afford the 880,000 bride price. She transfers away 200,000 meant for his father's surgery. His ex's best friend, Chloe Sutton, hands him a Black Card to save his father and joins him as an assistant to start his business. When Leo's game becomes a huge success, Chloe reveals her true identity at their wedding—she is the sole heiress to the top conglomerate in Riverdale City.