Collapse of Iron************

Ye Yun, an ordinary "Yak student", has nothing to do all day long, addicted to the world of collapsing iron and unable to extricate himself. However, his fate is unpredictable. Every time he draws a lottery, he always eats up the guaranteed amount. In a fit of anger, he gets 648 krypton and never comes out! Not out! Still not out! Just when the last ten rounds were put in, the game screen opened up with a golden light, and nine golds were awarded in ten rounds! ! ! Looking at the golden light that filled the screen, Ye Yun knew that he would not be able to enjoy it, so he cleared the precious data from his computer hard drive and left in a dignified manner. When Ye Yun came back to his senses, he found that he was in a world of collapsing iron...