The 24-Hour Billionaire

After being bullied, Cole binds to a 24-hour 100x Spending Rebate System. He goes on a spending spree and invests 5 billion to help Laura Lynn's pharmaceutical company. He puts Warren Zane in his place and falls in love with Fiona Lynn. His identity is revealed. After the System expires, Cole has trillions in assets, transformed into a God-tier Tycoon, winning love and career.