The Princess's Cash Multiplier: To Spoil Her Men (updating)

Catherine wakes up in a new world, where she's the notorious second princess. She has four beastmen husbands who hate her. To make matters worse, she's completely broke. And on top of that, the crown princess is plotting against her. Then she unlocks a tycoon system. Every time she spends money, it returns to her tenfold. With unlimited leverage and a modern mindset, Catherine begins her rise. She turns from the most hated princess into the most untouchable woman in the empire.