Dang Dalao Cong Hua Qian Kai Shi

Chu Zheng was bound to the money-squandering system by accident and traveled to another world. She'd die unless she squandered money there. Her missions were to spend money, to avenge on those who used to be bad to her, and even to make sure the innocent hero was healthy both physically and mentally. All this drove Chu Zheng crazy—She'd never heard of such missions... But there was nothing she could do with the powerful system. Therefore, by completing those missions, she proved a truth to us: Becoming a boss in another world starts with spending money! (Source: Webnovel)