Necessary and sufficient conditions for secret love to come true

I haven't seen you in six years. The golden light that old classmate Zong Jing appeared on the stage solved all the creditors of the Liu family in 5 minutes.Zong Jing's money didn't just fall from the sky, so there's no reason to pay him back, okay? I've thought about all kinds of ideas, but I didn't think about making a promise with my body. After waking up with a hangover, the problem still hasn't been solved Zong Jing Having said that, you have to be responsible for what you do, what?Want to support me?Okay, my young master is not expensive, 500 million.So, the question has escalated, how to earn [-] million?The economic base determines the status of the family, so how can you overthrow classmates Zong if you have money~