Jinyun in the Clouds

His father fought for thirty years, leaving him with a debt of 3.7 Billion. He was twenty-three years old and had to pay back fifty-seven years. It's not over yet. His son returned it. So he changed his fighting method - instead of using a sword, he used a ledger. The princes of the seven states each have their own plans. The Alliance is on the other side, waiting for him to make a mistake. He carried it for seven days. On the eighth day, the cloud that no one knew about for three hundred years came one step closer.