ith you, Xiao Chang'an"Xiao Chang'an is the son of Li Bingyan's father's business rival.The relationship between the two families had always been extremely poor, but during a business dispute, Xiao Ch...hing, and then replied: "According to my teacher, it appeared around two thousand years ago..."Two thousand years agoFang Yu has never heard of it!During that period, Fang Yu was at his most depressed...